Dessauvage, T.F.J. 1975. Explanatory note to the geological map of Nigeria. 1:1000000. Journal of Mining and Geology, The Nigerian Mining, Geological and Mettalurgical Society, 9, 3-28.

doi.org/10.1016/0899-5362(96)00126-1

Déruelle, B., Moreau, C., Nkoumbou, C., Kambou, R., Lissom, J., Njonfang, E., ... & Nono, A. (1991). The Cameroon line: a review. In Magmatism in extensional structural settings (pp. 274-327). Springer, Berlin, Heidelberg.

Njonfang, E., & Moreau, C. (1996). The mineralogy and geochemistry of a subvolcanic alkaline complex from the Cameroon Line: the Nda Ali massif, southwest Cameroon. Journal of African Earth Sciences, 22(2), 113-132.

ⓘ Aegirine-augite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆

Localities: Reported from at least 10 localities in this region.

References:

Ngounouno, I., Moreau, Ch., Deruelle, B., Demaiffe, D., Montigny, R. (2001): Petrologie du complexe alcalin sous-sature de Kokoumi (Cameroun). Bulletin de la Societe Geologique de France. 172 (6), 675-686.

ⓘ Aenigmatite

Formula: Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]

Localities: Reported from at least 8 localities in this region.

References:

November 2001

vol. 172

no. 6

p. 675-686

Ngounouno, I., Moreau, Ch., Deruelle, B., Demaiffe, D., Montigny, R. (2001): Petrologie du complexe alcalin sous-sature de Kokoumi (Cameroun), Bulletin de la Societe Geologique de France

ⓘ Albite

Formula: Na(AlSi₃O₈)

Localities: Reported from at least 9 localities in this region.

References:

Cesbron et al. (1988)

ⓘ Albite var. Anorthoclase

Formula: (Na,K)AlSi₃O₈

Localities:

Ngaoundere Volcanic Field, Vina, Adamawa Region, Cameroon
Manengouba stratovolcano, Southwest Region, Cameroon
Rumpi Hills, Southwest Region, Cameroon

References:

Lasserre, M. 1961. Territoire du Cameroun. Carte Geologique de Reconnaissance a l'echelle du 1/500000. Feuille Ngaoundere-Est, NB 33, NO E43, Paris.

Déruelle, B., Ezangono, J., Lissom, J., LOULE, J. P., & Ngnotue, N. (1987). Mio-Pliocene basaltic lava flows and phonolitic and trachytic plugs north and east of Ngaoundéré (Adamawa, Cameroon). In Colloquium on African geology. 14, 99-100.

Fitton, J. G. (1987). The Cameroon line, West Africa: a comparison between oceanic and continental alkaline volcanism. Geological Society, London, Special Publications, 30(1), 273-291.

Halliday, A. N., Dickin, A. P., Fallick, A. E., & Fitton, J. G. (1988). Mantle dynamics: a Nd, Sr, Pb and O isotopic study of the Cameroon line volcanic chain. Journal of Petrology, 29(1), 181-211. doi.org/10.1093/petrology/29.1.181

Lee, D. C., Halliday, A. N., Davies, G. R., Essene, E. J., Fitton, J. G., & Temdjim, R. (1996). Melt enrichment of shallow depleted mantle: a detailed petrological, trace element and isotopic study of mantle-derived xenoliths and megacrysts from the Cameroon Line. Journal of Petrology, 37(2), 415-441. doi.org/10.1093/petrology/37.2.415

Marzoli, A., Piccirillo, E. M., Renne, P. R., Bellieni, G., Iacumin, M., Nyobe, J. B., & Tongwa, A. T. (2000). The Cameroon Volcanic Line revisited: petrogenesis of continental basaltic magmas from lithospheric and asthenospheric mantle sources. Journal of petrology, 41(1), 87-109. doi.org/10.1093/petrology/41.1.87

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Locality: Manengouba stratovolcano, Southwest Region, Cameroon

ⓘ 'Alkali Feldspar'

Localities: Reported from at least 12 localities in this region.

References:

Koch, P. 1959. Notice explicative sur la feuille Garoua-Ouest. Carte Geologique de Reconnaissance a l'echelle du 1/500000 (O52) Republique du Cameroun. Paris.

Lasserre, M. (1978). MISE AU POINT SUR LES GRANITOIDES DITS" ULTIMES" DU CAMEROUN: GISEMENT, PETROGRAPHIE ET GEOCHRONOLOGIE. Bulletin du Bureau de Recherches Geologiques et Minieres, Paris, 4, 143-159.

ⓘ 'Alkali pyroxene'

Localities:

Bambouto Volcanic Complex, Southwest Region, Cameroon
Nda-Ali Massif, Mamfe, Manyu, Southwest Region, Cameroon
Rumpi Hills, Southwest Region, Cameroon

References:

Marzoli, A., Renne, P. & Piccirillo, E.M. 1997. Ar/Ar data on volcanics of the continental Cameroon Line (Africa): time related migration of trachytic volcanism. Plinius, 18, 141-142.

Gèze, B. (1943). Géographie physique et géologie du Cameroun occidental (Vol. 17). Éditions du Muséum, 1-271.

Jérémine, E. (1943). Contribution à l'étude pétrographique du Cameroun Occidental. In: Memoires du Museum National d'Histoire Naturelle. Paris, NS, 17, 273-320.

Gèze, B. (1953). Les volcans du Cameroun occidental. Bulletin Volcanologique, 13(1), 63-92. doi.org/10.1007/BF02596792

Tchoua, F. (1968). Découverte d‟ ignimbrites dans la région de Dschang (Cameroun). Ann. Fac. Sci. Univ. Féd. Cameroun, Yaoundé, Cameroun, 77-94.

Tchoua, F. (1972). Sur la formation des caldéras des Monts Bambouto (Cameroun). CR Acad. Sci., Paris, 274, 799-801.

Tchoua, F. (1973). SUR L'EXISTENCE D'UNE PHASE INITIALE IGNIMBRITIQUE DANS LE VOLCANISME DES MONTS BAMBOUTO (CAMEROUN). Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Paris, 276D, 2863-2866.

Fitton, J. G., & Dunlop, H. M. (1985). The Cameroon line, West Africa, and its bearing on the origin of oceanic and continental alkali basalt. Earth and Planetary Science Letters, 72(1), 23-38. doi.org/10.1016/0012-821X(85)90114-1

Fitton, J. G. (1987). The Cameroon line, West Africa: a comparison between oceanic and continental alkaline volcanism. Geological Society, London, Special Publications, 30(1), 273-291.

Ballentine, C. J., Lee, D. C., & Halliday, A. N. (1997). Hafnium isotopic studies of the Cameroon line and new HIMU paradoxes. Chemical Geology, 139(1-4), 111-124. doi.org/10.1016/S0009-2541(97)00028-4

ⓘ 'Allanite Group'

Formula: (A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

Localities:

Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon
Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon
Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

References:

Tetsopgang, S., Koyanagi, J., Enami, M., and Kihara, K. (2003): Mineralogical Magazine 67(3), 509-516.

ⓘ Almandine

Formula: Fe²⁺₃Al₂(SiO₄)₃

Locality: Djaba, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ Alumoåkermanite

Formula: (CaNa)Al[Si₂O₇]

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

Localities: Reported from at least 20 localities in this region.

References:

Njonfang, E., Moreau, C. (2000) The mafic mineralogy of the Pandé massif, Tikar plain, Cameroon: implications for a peralkaline affinity and emplacement from highly evolved alkaline magma. Mineralogical Magazine 64(3), 525-537.

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

Locality: Bambouto Volcanic Complex, Southwest Region, Cameroon

ⓘ Anatase

Formula: TiO₂

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ Annite

Formula: KFe²⁺₃(AlSi₃O₁₀)(OH)₂

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

Locality: Noun plain, Galim, Bamboutos, West Region, Cameroon

ⓘ Anorthite var. Labradorite

Formula: (Ca,Na)[Al(Al,Si)Si₂O₈]

Locality: Noun plain, Galim, Bamboutos, West Region, Cameroon

ⓘ Antigorite

Formula: Mg₃(Si₂O₅)(OH)₄

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Localities: Reported from at least 15 localities in this region.

References:

ⓘ Arfvedsonite

Formula: [Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂

Localities: Reported from at least 11 localities in this region.

References:

ⓘ Arsenopyrite

Formula: FeAsS

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Asbolane

Formula: (Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Localities:

Noun plain, Galim, Bamboutos, West Region, Cameroon
Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Goroua Group of Plugs, Bénoué, North Region, Cameroon
Mount Cameroon, Buea, Fako, Southwest Region, Cameroon
Manengouba stratovolcano, Southwest Region, Cameroon

References:

Wandji, P., Wotchoko, P., Bardintzeff, J. M., & Bellon, H. (2010). Late Tertiary and Quaternary alkaline volcanism in the western Noun Plain (Cameroon Volcanic Line): New K-Ar ages, petrology and isotope data. Geochemistry, Mineralogy and Petrology, Sofia, 48.

ⓘ Augite var. Fassaite

Formula: (Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]

Locality: Noun plain, Galim, Bamboutos, West Region, Cameroon

ⓘ Augite var. Titanium-bearing Augite

Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ 'Barkevikite'

Localities:

Goroua Group of Plugs, Bénoué, North Region, Cameroon
Mount Bollo, North Region, Cameroon
Manengouba stratovolcano, Southwest Region, Cameroon

References:

Koch, P. 1959. Notice explicative sur la feuille Garoua-Ouest. Carte Geologique de Reconnaissance a l'echelle du 1/500000 (O52) Republique du Cameroun. Paris.

Grant, N. K., Rex, D. C., & Freeth, S. J. (1972). Potassium-argon ages and strontium isotope ratio measurements from volcanic rocks in northeastern Nigeria. Contributions to Mineralogy and Petrology, 35(4), 277-292. doi.org/10.1007/BF00371310

ⓘ 'Bastnäsite'

Formula: (Ce/Nd/Y/REE)(CO₃)F

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

ⓘ Beidellite

Formula: (Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Beraunite

Formula: Fe³⁺₆(PO₄)₄O(OH)₄ · 6H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂

Localities: Reported from at least 26 localities in this region.

References:

ⓘ Burbankite

Formula: (Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

ⓘ Cacoxenite

Formula: Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂ · 75H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ Calcite

Formula: CaCO₃

Localities: Reported from at least 10 localities in this region.

References:

Cesbron et al. (1988)

ⓘ Cancrinite

Formula: (Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O

Localities:

Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon
Nkonglong occurrence, Océan, South Region, Cameroon

References:

Cesbron et al. (1988)

ⓘ Carrollite

Formula: CuCo₂S₄

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Cassiterite

Formula: SnO₂

Localities:

Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
Hossere Nyore Granite Intrusion, North Region, Cameroon
Mayo Darle Complex, Mayo-Banyo, Adamawa Region, Cameroon

References:

Fosso Tchunte, P., Tchameni, R., André-Mayer, A. S., Dakoure, H., Turlin, F., Poujol, M., ... & Rouer, O. (2018). Evidence for Nb-Ta Occurrences in the Syn-Tectonic Pan-African Mayo Salah Leucogranite (Northern Cameroon): Constraints from Nb-Ta Oxide Mineralogy, Geochemistry and U-Pb LA-ICP-MS Geochronology on Columbite and Monazite. Minerals, 8(5), 188.

Fosso Tchunte, Periclex Martial, Rigobert Tchameni, Anne-Sylvie André-Mayer, Hilaire Somtebda Dakoure, François Turlin, Marc Poujol, Emmanuel Negue Nomo, Alliance Nicaise Saha Fouotsa, and Olivier Rouer. (2018) "Evidence for Nb-Ta Occurrences in the Syn-Tectonic Pan-African Mayo Salah Leucogranite (Northern Cameroon): Constraints from Nb-Ta Oxide Mineralogy, Geochemistry and U-Pb LA-ICP-MS Geochronology on Columbite and Monazite" Minerals 8, no. 5: 188. https://doi.org/10.3390/min8050188

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon
Bétaré Oya gold district, Bétaré-Oya, Lom-et-Djerem, East Region, Cameroon

References:

Dzemua, G. L., & Gleeson, S. A. (2012). Petrography, Mineralogy, and Geochemistry of the Nkamouna Serpentinite: Implications for the Formation of the Cobalt-Manganese Laterite Deposit, Southeast Cameroon. Economic Geology, 107(1), 25-41.

ⓘ Chamosite

Formula: (Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈

Locality: Nkout East, Djoum, Dja-Et-Lobo, South Region, Cameroon

ⓘ 'Chevkinite Group'

Localities:

Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
Nkonglong occurrence, Océan, South Region, Cameroon

References:

Gouhier, J. (1974). CONTRIBUTION A L'ETUDE VOLCANOLOGIQUE DU CAMEROUN (LIGNE DU CAMEROUN-ADAMAOUA). Annales de la Faculte des Sciences, Universite du Cameroun, Yaounde, 17, 3-48.

Nono, A., Déruelle, B., Demaiffe, D., & Kambou, R. (1994). Tchabal Nganha volcano in Adamawa (Cameroon): petrology of a continental alkaline lava series. Journal of Volcanology and Geothermal Research, 60(2), 147-178. doi.org/10.1016/0377-0273(94)90066-3

ⓘ 'Chlorite Group'

Localities:

Bigbal, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon
Bougma, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon
Djaba, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon
Northern prospect, Anyouzok Fe deposit, Nyong Complex greenstone belts, Océan, South Region, Cameroon
Anyouzok Fe deposit, Nyong Complex greenstone belts, Océan, South Region, Cameroon

References:

Ketchaya, Y. B., Dong, G., Santosh, M., & Lemdjou, Y. B. (2022). Microchemical signatures of placer gold grains from the Gamba district, northern Cameroon: Implications for possible bedrock sources. Ore Geology Reviews, 141, 104640.

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ 'Clinopyroxene Subgroup'

Localities:

Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
Bambouto Volcanic Complex, Southwest Region, Cameroon
Rumpi Hills, Southwest Region, Cameroon
Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Northern prospect, Anyouzok Fe deposit, Nyong Complex greenstone belts, Océan, South Region, Cameroon

References:

Gouhier, J. (1974). CONTRIBUTION A L'ETUDE VOLCANOLOGIQUE DU CAMEROUN (LIGNE DU CAMEROUN-ADAMAOUA). Annales de la Faculte des Sciences, Universite du Cameroun, Yaounde, 17, 3-48.

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

Locality: Hossere Nyore Granite Intrusion, North Region, Cameroon

ⓘ Columbite-(Mn)

Formula: Mn²⁺Nb₂O₆

Locality: Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ Corundum

Formula: Al₂O₃

Locality: Nsanaragati placer, Eyumodjock, Manyu, Southwest Region, Cameroon

Colour: blue

ⓘ Corundum var. Sapphire

Formula: Al₂O₃

Locality: Nsanaragati placer, Eyumodjock, Manyu, Southwest Region, Cameroon

Colour: blue

ⓘ Covellite

Formula: CuS

Locality: Bétaré Oya gold district, Bétaré-Oya, Lom-et-Djerem, East Region, Cameroon

ⓘ Cubanite

Formula: CuFe₂S₃

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Diopside

Formula: CaMgSi₂O₆

Localities: Reported from at least 6 localities in this region.

References:

ⓘ Diopside var. Salite

Locality: Nda-Ali Massif, Mamfe, Manyu, Southwest Region, Cameroon

ⓘ Dolomite

Formula: CaMg(CO₃)₂

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Eckermannite

Formula: NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂

Locality: Nda-Ali Massif, Mamfe, Manyu, Southwest Region, Cameroon

ⓘ Edenite

Formula: NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂

Localities:

Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon
Manengouba stratovolcano, Southwest Region, Cameroon

References:

Tetsopgang, S., Koyanagi, J., Enami, M., and Kihara, K. (2003): Mineralogical Magazine 67(3), 509-516.

ⓘ Enstatite

Formula: Mg₂Si₂O₆

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

Description: In chondrules and as individual (often euhedral) grains

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Localities:

Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
Mba Namboe Intrusion, Donga-Mantung, Northwest Region, Cameroon

References:

ⓘ Ernienickelite

Formula: NiMn₃O₇ · 3H₂O

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Fayalite

Formula: Fe²⁺₂SiO₄

Localities:

Pandé massif, Tikar plain, Mayo-Banyo, Adamawa Region, Cameroon
Oku Massif, Northwest Region, Cameroon
Manengouba stratovolcano, Southwest Region, Cameroon
Nlonako Intrusion, Littoral Region, Cameroon
Rumpi Hills, Southwest Region, Cameroon

References:

ⓘ 'Fayalite-Forsterite Series'

Localities: Reported from at least 9 localities in this region.

References:

ⓘ 'Feldspar Group'

Localities: Reported from at least 12 localities in this region.

References:

Vishiti, A., Suh, C. E., Lehmann, B., Shemang, E. M., Ngome, N. L. J., Nshanji, N. J., ... & Petersen, S. (2018). Mineral chemistry, bulk rock geochemistry, and S‐isotope signature of lode‐gold mineralization in the Bétaré Oya gold district, south‐east Cameroon. Geological Journal, 53(6), 2579-2596.

ⓘ 'Feldspar Group var. Perthite'

Localities:

Mba Namboe Intrusion, Donga-Mantung, Northwest Region, Cameroon
Mbapit volcano, West Region, Cameroon
Mount Koupe, Littoral Region, Cameroon

References:

Cantagrel, J. M., Jamond, C. & Lasserre, M. (1978). LE MAGMATISME ALCALIN DE LA LIGNE DU CAMEROUN AU TERTIAIRE INFERIEUR: DONNEES GEOCHRONOLOGIQUES K/AR. Bulletin de la Societe Geologique de France Compte Rendu Sommaire des Seances, 20, 300-303.

ⓘ 'Ferritchromit'

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Ferro-actinolite

Formula: ◻Ca₂Fe²⁺₅(Si₈O₂₂)OH₂

Locality: Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon

ⓘ Ferro-richterite

Formula: {Na}{CaNa}{Fe²⁺₅}(Si₈O₂₂)(OH)₂

Locality: Pandé massif, Tikar plain, Mayo-Banyo, Adamawa Region, Cameroon

ⓘ Ferrosilite

Formula: Fe²⁺₂Si₂O₆

Locality: Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon

ⓘ Fluorite

Formula: CaF₂

Localities: Reported from at least 6 localities in this region.

References:

Cesbron et al. (1988)

ⓘ Forsterite

Formula: Mg₂SiO₄

Locality: Noun plain, Galim, Bamboutos, West Region, Cameroon

ⓘ Galena

Formula: PbS

Locality: Bétaré Oya gold district, Bétaré-Oya, Lom-et-Djerem, East Region, Cameroon

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

Localities: Reported from at least 7 localities in this region.

References:

doi.org/10.1017/S0016756800064128

doi.org/10.1180/minmag.1981.044.335.03

doi.org/10.1093/petrology/36.2.373

Lacroix, Alfred (1923) Minéralogie de Madagascar Tome 3 - Lithologie Appendice - Index Geographique. Société d'Éditions Géographiques, Maritimes et Coloniales, Paris. p.1-450.

Gèze, B. (1943). Géographie physique et géologie du Cameroun occidental (Vol. 17). Éditions du Muséum, 1-271.

Jérémine, E. (1943). Contribution à l'étude pétrographique du Cameroun Occidental. In: Memoires du Museum National d'Histoire Naturelle. Paris, NS, 17, 273-320.

Smith, A. L. (1970). Sphene, perovskite and coexisting Fe-Ti oxide minerals. American Mineralogist: Journal of Earth and Planetary Materials, 55(1-2), 264-269.

Fitton, J. G. (1987). The Cameroon line, West Africa: a comparison between oceanic and continental alkaline volcanism. Geological Society, London, Special Publications, 30(1), 273-291. doi.org/10.1144/GSL.SP.1987.030.01.13

Nkoumbou, C., Deruelle, B., Velde, D. (1995): Petrology of Mt Etinde Nephelinite Series, Journal of Petrology, Vol. 36, no 2, p. 373-395

ⓘ 'Garnierite'

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Gibbsite

Formula: Al(OH)₃

Localities:

Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon
Pouth-Kellé, Éséka, Nyong-et-Kéllé, Centre Region, Cameroon

References:

Yongue-Fouateu, R., Yemefack, M., Wouatong, A.S.L., Ndjigui, P.D., and Bilong, P. (2009): Clay Minerals 44(2), 221-237

ⓘ 'Glass'

Localities:

Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
Tombel Plain, Southwest Region, Cameroon
Mount Etinde, Buea, Fako, Southwest Region, Cameroon

References:

Gouhier, J. (1974). CONTRIBUTION A L'ETUDE VOLCANOLOGIQUE DU CAMEROUN (LIGNE DU CAMEROUN-ADAMAOUA). Annales de la Faculte des Sciences, Universite du Cameroun, Yaounde, 17, 3-48.

ⓘ Goethite

Formula: α-Fe³⁺O(OH)

Localities:

Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon
Mayo Binka Fe deposit, Misaje, Donga-Mantung, Northwest Region, Cameroon
Nkout East, Djoum, Dja-Et-Lobo, South Region, Cameroon
Pouth-Kellé, Éséka, Nyong-et-Kéllé, Centre Region, Cameroon
Nkout Centre, Djoum, Dja-Et-Lobo, South Region, Cameroon

References:

Yongue-Fouateu, R., Yemefack, M., Wouatong, A.S.L., Ndjigui, P.D., and Bilong, P. (2009): Clay Minerals 44(2), 221-237

ⓘ Gold

Formula: Au

Localities: Reported from at least 7 localities in this region.

References:

ⓘ Gold var. Electrum

Formula: (Au,Ag)

Locality: Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ Grunerite

Formula: ◻{Fe²⁺₂}{Fe²⁺₅}(Si₈O₂₂)(OH)₂

Locality: Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon

ⓘ Hastingsite

Formula: NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

ⓘ Haüyne

Formula: Na₃Ca(Si₃Al₃)O₁₂(SO₄)

Localities:

Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
Mount Etinde, Buea, Fako, Southwest Region, Cameroon

References:

Gouhier, J. (1974). CONTRIBUTION A L'ETUDE VOLCANOLOGIQUE DU CAMEROUN (LIGNE DU CAMEROUN-ADAMAOUA). Annales de la Faculte des Sciences, Universite du Cameroun, Yaounde, 17, 3-48.

ⓘ Heazlewoodite

Formula: Ni₃S₂

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Hedenbergite

Formula: CaFe²⁺Si₂O₆

Localities:

Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon
Pandé massif, Tikar plain, Mayo-Banyo, Adamawa Region, Cameroon
Oku Massif, Northwest Region, Cameroon
Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Manengouba stratovolcano, Southwest Region, Cameroon

References:

Tetsopgang, S., Koyanagi, J., Enami, M., and Kihara, K. (2003): Mineralogical Magazine 67(3), 509-516.

ⓘ Hematite

Formula: Fe₂O₃

Localities: Reported from at least 13 localities in this region.

References:

Cesbron et al. (1988)

ⓘ Hematite var. Martite

Formula: Fe₂O₃

Localities:

Mbalam, Ngoyla, Haut-Nyong, East Region, Cameroon
Mayo Binka Fe deposit, Misaje, Donga-Mantung, Northwest Region, Cameroon
Nkout East, Djoum, Dja-Et-Lobo, South Region, Cameroon
Nkout Centre, Djoum, Dja-Et-Lobo, South Region, Cameroon

References:

www.portergeo.com.au (2007) http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn1211

ⓘ 'Hypersthene'

Formula: (Mg,Fe)SiO₃

Locality: Mount Cameroon, Buea, Fako, Southwest Region, Cameroon

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Localities: Reported from at least 8 localities in this region.

References:

ⓘ Iron

Formula: Fe

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

Description: In veins and as nodules

ⓘ Iron var. Kamacite

Formula: (Fe,Ni)

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

Description: In veins and as nodules

ⓘ Kaersutite

Formula: NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂

Localities: Reported from at least 7 localities in this region.

References:

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Localities: Reported from at least 6 localities in this region.

References:

Yongue-Fouateu, R., Yemefack, M., Wouatong, A.S.L., Ndjigui, P.D., and Bilong, P. (2009): Clay Minerals 44(2), 221-237

ⓘ Katophorite

Formula: {Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂

Locality: Nda-Ali Massif, Mamfe, Manyu, Southwest Region, Cameroon

ⓘ 'Kerolite'

Formula: (Mg,Ni)₃Si₄O₁₀(OH)₂ · nH₂O (n ~ 1)

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ 'Kertschenite'

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ 'K Feldspar'

Localities: Reported from at least 8 localities in this region.

References:

Tetsopgang, S., Koyanagi, J., Enami, M., and Kihara, K. (2003): Mineralogical Magazine 67(3), 509-516.

ⓘ Låvenite

Formula: Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂

Locality: Nkonglong occurrence, Océan, South Region, Cameroon

ⓘ Leucite

Formula: K(AlSi₂O₆)

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ 'Limonite'

Localities:

Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon
Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

References:

Lambert, R.J., and Noble, A.C. (2008): Nkamouna Cobalt Project Feasibility Study. Pincock, Allen & Holt NI 43-101 Technical Report for Geovic Mining Corp.

ⓘ Lipscombite

Formula: Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ Maghemite

Formula: (Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Magnesite

Formula: MgCO₃

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities: Reported from at least 18 localities in this region.

References:

Cesbron et al. (1988)

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Localities:

Noun plain, Galim, Bamboutos, West Region, Cameroon
Kokoumi, Ngong, Bénoué, North Region, Cameroon
Mount Etinde, Buea, Fako, Southwest Region, Cameroon

References:

ⓘ Mantienneite (TL)

Formula: KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O

Type Locality:

ⓘ 'Melilite Group'

Formula: Ca₂M(XSiO₇)

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ Metavivianite

Formula: Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 6H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ 'Mica Group'

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ Microcline

Formula: K(AlSi₃O₈)

Localities:

Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon
Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
Mount Bollo, North Region, Cameroon
Nkonglong occurrence, Océan, South Region, Cameroon
Beio occurrence, Océan, South Region, Cameroon

References:

Cesbron et al. (1988)

ⓘ Microcline var. Hyalophane

Formula: (K,Ba)[Al(Si,Al)Si₂O₈]

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ Molybdenite

Formula: MoS₂

Locality: Ekomédion U–Mo prospect, Littoral Region, Cameroon

ⓘ 'Monazite'

Formula: REE(PO₄)

Localities:

Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon
Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
Ekomédion U–Mo prospect, Littoral Region, Cameroon

References:

Cesbron et al. (1988)

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities: Reported from at least 6 localities in this region.

References:

Oumarou, M., Minyemeck, A., Ndjigui, P. D., Temgoua, E., Bilong, P., & Yongué-Fouateu, R. (2005). Geochemical survey of Pt, Pd and Au in the Talcschists and the Amphibolites, and their weathering products at Pouth-Kellé (Coastal Plain, Cameroon). In Extended abstracts of the 10th International Platinum Symposium (pp. 516-519).

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Bétaré Oya gold district, Bétaré-Oya, Lom-et-Djerem, East Region, Cameroon
Anyouzok Fe deposit, Nyong Complex greenstone belts, Océan, South Region, Cameroon

References:

ⓘ Natrolite

Formula: Na₂Al₂Si₃O₁₀ · 2H₂O

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

Localities: Reported from at least 10 localities in this region.

References:

ⓘ Nontronite

Formula: Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Nosean

Formula: Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O

Localities:

Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
Ngaoundere Volcanic Field, Vina, Adamawa Region, Cameroon
Mount Cameroon, Buea, Fako, Southwest Region, Cameroon

References:

doi.org/10.1017/S0016756800064128

doi.org/10.1180/minmag.1981.044.335.03

doi.org/10.1093/petrology/36.2.373

Lacroix, Alfred (1923) Minéralogie de Madagascar Tome 3 - Lithologie Appendice - Index Geographique. Société d'Éditions Géographiques, Maritimes et Coloniales, Paris. p.1-450.

Gèze, B. (1943). Géographie physique et géologie du Cameroun occidental (Vol. 17). Éditions du Muséum, 1-271.

Jérémine, E. (1943). Contribution à l'étude pétrographique du Cameroun Occidental. In: Memoires du Museum National d'Histoire Naturelle. Paris, NS, 17, 273-320.

Smith, A. L. (1970). Sphene, perovskite and coexisting Fe-Ti oxide minerals. American Mineralogist: Journal of Earth and Planetary Materials, 55(1-2), 264-269.

Nkoumbou, C., Deruelle, B., Velde, D. (1995): Petrology of Mt Etinde Nephelinite Series, Journal of Petrology, Vol. 36, no 2, p. 373-395

Bindi, L., Bonazzi, P., & Fitton, J. G. (2001). Crystal chemistry of strontian soda melilite from nephelinite lava of Mt. Etinde, Cameroon. European Journal of Mineralogy, 13(1), 121-125.

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Mezesse, Meyomessi, Dja-Et-Lobo, South Region, Cameroon

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

Locality: Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ 'Orthopyroxene Subgroup'

Locality: Northern prospect, Anyouzok Fe deposit, Nyong Complex greenstone belts, Océan, South Region, Cameroon

ⓘ Pargasite

Formula: NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂

Locality: Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon

ⓘ Pentlandite

Formula: (Ni_xFe_y)_Σ9S₈

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Perovskite

Formula: CaTiO₃

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

Locality: Mount Cameroon, Buea, Fako, Southwest Region, Cameroon

ⓘ Phosphosiderite

Formula: FePO₄ · 2H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Localities: Reported from at least 9 localities in this region.

References:

Tetsopgang, S., Koyanagi, J., Enami, M., and Kihara, K. (2003): Mineralogical Magazine 67(3), 509-516.

ⓘ Potassic-ferro-ferri-taramite

Formula: K(CaNa)(Fe²⁺₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂

Locality: Nkonglong occurrence, Océan, South Region, Cameroon

ⓘ Pseudorutile

Formula: Fe₂Ti₃O₉

Locality: Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon

ⓘ Pseudorutile var. Hydroxylian Pseudorutile

Formula: FeTi₆O₁₃ · 4H₂O ?

Locality: Adamellite outcrop, Nkambe, Donga-Mantung, Northwest Region, Cameroon

ⓘ Pyrite

Formula: FeS₂

Localities:

Pouth-Kellé, Éséka, Nyong-et-Kéllé, Centre Region, Cameroon
Bétaré Oya gold district, Bétaré-Oya, Lom-et-Djerem, East Region, Cameroon
Anyouzok Fe deposit, Nyong Complex greenstone belts, Océan, South Region, Cameroon

References:

ⓘ 'Pyrochlore Group'

Formula: A₂Nb₂(O,OH)₆Z

Localities:

Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon
Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
Grea Intrusion, Far North Region, Cameroon
Golda Zuelva Complex, Far North Region, Cameroon

References:

Cesbron et al. (1988)

ⓘ 'Pyrochlore Supergroup'

Formula: A_2-mD₂X_6-wZ_1-n

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'

Formula: (Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

Localities: Reported from at least 13 localities in this region.

References:

ⓘ Pyrrhotite

Formula: Fe_1-xS

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 29 localities in this region.

References:

Koch, P. 1953. Notice Explicative sur la feuille Banyo. Carte Geologique de Reconnaissance a l'echelle du 1/500000. (E41) Territoire Cameroun, Paris.

Koch, P. (1955). Les pantellérites du Mont Mba Nsché (Caméroun). COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 241(14), 893-895.

ⓘ Quartz var. Chalcedony

Formula: SiO₂

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Rémondite-(Ce) (TL)

Formula: Na₃(Ce,Ca,Na)₃(CO₃)₅

Type Locality:

ⓘ 'Rhombohedral Carbonate'

Formula: (Ca/Mg/Fe/Mn etc)CO₃

Localities:

Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Nkonglong occurrence, Océan, South Region, Cameroon

References:

doi.org/10.1017/S0016756800064128

doi.org/10.1180/minmag.1981.044.335.03

doi.org/10.1093/petrology/36.2.373

Lacroix, Alfred (1923) Minéralogie de Madagascar Tome 3 - Lithologie Appendice - Index Geographique. Société d'Éditions Géographiques, Maritimes et Coloniales, Paris. p.1-450.

Gèze, B. (1943). Géographie physique et géologie du Cameroun occidental (Vol. 17). Éditions du Muséum, 1-271.

Jérémine, E. (1943). Contribution à l'étude pétrographique du Cameroun Occidental. In: Memoires du Museum National d'Histoire Naturelle. Paris, NS, 17, 273-320.

Smith, A. L. (1970). Sphene, perovskite and coexisting Fe-Ti oxide minerals. American Mineralogist: Journal of Earth and Planetary Materials, 55(1-2), 264-269.

ⓘ Richterite

Formula: Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂

Localities:

Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
Oku Massif, Northwest Region, Cameroon

References:

Gouhier, J. (1974). CONTRIBUTION A L'ETUDE VOLCANOLOGIQUE DU CAMEROUN (LIGNE DU CAMEROUN-ADAMAOUA). Annales de la Faculte des Sciences, Universite du Cameroun, Yaounde, 17, 3-48.

ⓘ Riebeckite

Formula: ◻[Na₂][Fe²⁺₃Fe³⁺₂]Si₈O₂₂(OH)₂

Localities: Reported from at least 14 localities in this region.

References:

ⓘ Rutile

Formula: TiO₂

Localities:

Nsanaragati placer, Eyumodjock, Manyu, Southwest Region, Cameroon
Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
Djaba, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon

References:

Kanouo, N. S., Yongue, R. F., Chen, S., Njonfang, E., Ma, C., Ghogomu, T. R., ... & Sababa, E. (2012). Greyish-Black Rutile Megaclasts from the Nsanaragati Gem Placer, SW Cameroon: Geochemical Features and Genesis. Journal of Geography and Geology, 4(2), p134.

ⓘ Rutile var. Niobium-bearing Rutile

Formula: (Ti,Nb)O₂

Locality: Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ Sanidine

Formula: K(AlSi₃O₈)

Localities:

Kapsikis Plateau, Far North Region, Cameroon
Goroua Group of Plugs, Bénoué, North Region, Cameroon
Ngaoundere Volcanic Field, Vina, Adamawa Region, Cameroon
Oku Massif, Northwest Region, Cameroon
Rumpi Hills, Southwest Region, Cameroon

References:

Gouhier, J. (1974). CONTRIBUTION A L'ETUDE VOLCANOLOGIQUE DU CAMEROUN (LIGNE DU CAMEROUN-ADAMAOUA). Annales de la Faculte des Sciences, Universite du Cameroun, Yaounde, 17, 3-48.

Gouhier, J. (1978). Le volcanisme des Kapsikis et ses relations avec la tectonique du socle au Cameroun. Annales de la Faculte des Sciences de Yaounde, Universite de Yaounde, Yaounde, 25, 69-78.

ⓘ Santabarbaraite

Formula: Fe³⁺₃(PO₄)₂(OH)₃ · 5H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ Schorlomite

Formula: Ca₃Ti₂(SiO₄)(Fe³⁺O₄)₂

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ Schreibersite

Formula: (Fe,Ni)₃P

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Siderite

Formula: FeCO₃

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ 'Silica'

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

ⓘ 'Smectite Group'

Formula: A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O

Locality: Pouth-Kellé, Éséka, Nyong-et-Kéllé, Centre Region, Cameroon

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

Localities:

Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon
Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
Nda-Ali Massif, Mamfe, Manyu, Southwest Region, Cameroon
Rumpi Hills, Southwest Region, Cameroon

References:

Cesbron et al. (1988)

ⓘ 'Sodic amphibole'

Localities: Reported from at least 7 localities in this region.

References:

Petrographie et geochimie. Bulletin de la Société Géologique de France, 7(6), 679-688. doi.org/10.2113/gssgfbull.S7-XXIII.6.679

Tempier, P., Lasserre, M., & Sabourdy, G. (1981). Les granitoides du Nord Cameroun

ⓘ Spessartine

Formula: Mn²⁺₃Al₂(SiO₄)₃

Locality: Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ Sphalerite

Formula: ZnS

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

ⓘ Spinel

Formula: MgAl₂O₄

Locality: Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon

ⓘ Strengite

Formula: FePO₄ · 2H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ Strunzite

Formula: Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 6H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ Taenite

Formula: (Fe,Ni)

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

Localities:

Nkamouna Mine, Lomié Ultramafic complex, Lomié, Haut-Nyong, East Region, Cameroon
Pouth-Kellé, Éséka, Nyong-et-Kéllé, Centre Region, Cameroon

References:

Lambert, R.J., and Noble, A.C. (2008): Nkamouna Cobalt Project Feasibility Study. Pincock, Allen & Holt NI 43-101 Technical Report for Geovic Mining Corp.

ⓘ Taranakite

Formula: (K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O

Locality: Mezesse, Meyomessi, Dja-Et-Lobo, South Region, Cameroon

ⓘ Tetraferriannite

Formula: KFe²⁺₃(Si₃Fe³⁺)O₁₀(OH)₂

Locality: Rumpi Hills, Southwest Region, Cameroon

ⓘ Tetrataenite

Formula: FeNi

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

Description: An uncommon phase in Enstatite chondrites

ⓘ Thorite

Formula: Th(SiO₄)

Locality: Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ Titanite

Formula: CaTi(SiO₄)O

Localities: Reported from at least 9 localities in this region.

References:

ⓘ Topaz

Formula: Al₂(SiO₄)(F,OH)₂

Locality: Mayo Darle Complex, Mayo-Banyo, Adamawa Region, Cameroon

ⓘ Tremolite

Formula: ◻Ca₂Mg₅(Si₈O₂₂)(OH)₂

Locality: Anyouzok Fe deposit, Nyong Complex greenstone belts, Océan, South Region, Cameroon

ⓘ Troilite

Formula: FeS

Locality: Galim (b) meteorite, Galim-Tignère, Faro-et-Déo, Adamawa Region, Cameroon

ⓘ Ulvöspinel

Formula: TiFe₂O₄

Locality: Manengouba stratovolcano, Southwest Region, Cameroon

ⓘ Uraninite

Formula: UO₂

Localities:

Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
Ekomédion U–Mo prospect, Littoral Region, Cameroon

References:

ⓘ Vesuvianite

Formula: Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉

Locality: Eboundja (Ebounja), Kribi, Océan, South Region, Cameroon

✪ Vivianite

Formula: Fe²⁺₃(PO₄)₂ · 8H₂O

Locality: Anloua, Martap, Vina, Adamawa Region, Cameroon

ⓘ 'Wad'

Locality: Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ 'Wolframite Group'

Locality: Mayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon

ⓘ 'Zeolite Group'

Locality: Mount Etinde, Buea, Fako, Southwest Region, Cameroon

ⓘ 'Zinnwaldite'

Locality: Mayo Darle Complex, Mayo-Banyo, Adamawa Region, Cameroon

ⓘ Zircon

Formula: Zr(SiO₄)

Localities: Reported from at least 9 localities in this region.

References:

Gallery:

(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂Oⓘ Cancrinite

Cancrinite, etc.

Eboundja, Kribi, Océan, South Region, Cameroon

Cancrinite, etc.

Eboundja, Kribi, Océan, South Region, Cameroon

Cancrinite, etc.

Eboundja, Kribi, Océan, South Region, Cameroon

KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂Oⓘ Mantienneite (TL)

Mantienneite

Anloua, Martap, Vina, Adamawa Region, Cameroon

Mantienneite

Anloua, Martap, Vina, Adamawa Region, Cameroon

Mantienneite

Anloua, Martap, Vina, Adamawa Region, Cameroon

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
ⓘ	var. Electrum	1.AA.05	(Au,Ag)
ⓘ	Iron	1.AE.05	Fe
ⓘ	var. Kamacite	1.AE.05	(Fe,Ni)
ⓘ	Schreibersite	1.BD.05	(Fe,Ni)₃P
ⓘ	Taenite	1.AE.10	(Fe,Ni)
ⓘ	Tetrataenite	1.AE.10	FeNi
Group 2 - Sulphides and Sulfosalts
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Carrollite	2.DA.05	CuCo₂S₄
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Cubanite	2.CB.55a	CuFe₂S₃
ⓘ	Galena	2.CD.10	PbS
ⓘ	Heazlewoodite	2.BB.05	Ni₃S₂
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Troilite	2.CC.10	FeS
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Asbolane	4.FL.30	(Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O
ⓘ	Cassiterite	4.DB.05	SnO₂
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Columbite-(Mn)	4.DB.35	Mn²⁺Nb₂O₆
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	var. Sapphire	4.CB.05	Al₂O₃
ⓘ	Ernienickelite	4.FL.20	NiMn₃O₇ · 3H₂O
ⓘ	Gibbsite	4.FE.10	Al(OH)₃
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	var. Martite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Maghemite	4.BB.15	(Fe³⁺_0.67◻_0.33)Fe³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Perovskite	4.CC.30	CaTiO₃
ⓘ	Pseudorutile	4.CB.25	Fe₂Ti₃O₉
ⓘ	var. Hydroxylian Pseudorutile	4.CB.25	FeTi₆O₁₃ · 4H₂O ?
ⓘ	'Pyrochlore Group'	4.00.	A₂Nb₂(O,OH)₆Z
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Chalcedony	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	var. Niobium-bearing Rutile	4.DB.05	(Ti,Nb)O₂
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Ulvöspinel	4.BB.05	TiFe₂O₄
ⓘ	Uraninite	4.DL.05	UO₂
ⓘ	'Wolframite Group'	4.DB.30 va
Group 5 - Nitrates and Carbonates
ⓘ	Burbankite	5.AC.30	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Magnesite	5.AB.05	MgCO₃
ⓘ	Rémondite-(Ce) (TL)	5.AD.15	Na₃(Ce,Ca,Na)₃(CO₃)₅
ⓘ	Siderite	5.AB.05	FeCO₃
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Beraunite	8.DC.27	Fe³⁺₆(PO₄)₄O(OH)₄ · 6H₂O
ⓘ	Cacoxenite	8.DC.40	Fe³⁺₂₄AlO₆(PO₄)₁₇(OH)₁₂ · 75H₂O
ⓘ	Lipscombite	8.BB.90	Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂
ⓘ	Mantienneite (TL)	8.DH.35	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
ⓘ	Metavivianite	8.DC.25	Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 6H₂O
ⓘ	Phosphosiderite	8.CD.05	FePO₄ · 2H₂O
ⓘ	Santabarbaraite	8.CE.80	Fe³⁺₃(PO₄)₂(OH)₃ · 5H₂O
ⓘ	Strengite	8.CD.10	FePO₄ · 2H₂O
ⓘ	Strunzite	8.DC.25	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ · 6H₂O
ⓘ	Taranakite	8.CH.25	(K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O
ⓘ	Vivianite	8.CE.40	Fe²⁺₃(PO₄)₂ · 8H₂O
Group 9 - Silicates
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Aegirine-augite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Aenigmatite	9.DH.40	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Anorthoclase	9.FA.35	(Na,K)AlSi₃O₈
ⓘ	var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Alumoåkermanite	9.BB.10	(CaNa)Al[Si₂O₇]
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Annite	9.EC.20	KFe²⁺₃(AlSi₃O₁₀)(OH)₂
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	var. Labradorite	9.FA.35	(Ca,Na)[Al(Al,Si)Si₂O₈]
ⓘ	Antigorite	9.ED.15	Mg₃(Si₂O₅)(OH)₄
ⓘ	Arfvedsonite	9.DE.25	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	var. Fassaite	9.DA.15	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
ⓘ	var. Titanium-bearing Augite	9.DA.15	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
ⓘ	Beidellite	9.EC.40	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Cancrinite	9.FB.05	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
ⓘ	Chamosite	9.EC.55	(Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	var. Salite	9.DA.15	CaMgSi₂O₆
ⓘ	Eckermannite	9.DE.25	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
ⓘ	Edenite	9.DE.15	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
ⓘ	Enstatite	9.DA.05	Mg₂Si₂O₆
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Fayalite	9.AC.05	Fe²⁺₂SiO₄
ⓘ	Ferro-actinolite	9.DE.10	◻Ca₂Fe²⁺₅(Si₈O₂₂)OH₂
ⓘ	Ferro-richterite	9.DE.20	{Na}{CaNa}{Fe²⁺₅}(Si₈O₂₂)(OH)₂
ⓘ	Ferrosilite	9.DA.05	Fe²⁺₂Si₂O₆
ⓘ	Forsterite	9.AC.05	Mg₂SiO₄
ⓘ	Grunerite	9.DE.05	◻{Fe²⁺₂}{Fe²⁺₅}(Si₈O₂₂)(OH)₂
ⓘ	Hastingsite	9.DE.15	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Haüyne	9.FB.10	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
ⓘ	Hedenbergite	9.DA.15	CaFe²⁺Si₂O₆
ⓘ	Kaersutite	9.DE.15	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Katophorite	9.DE.20	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
ⓘ	Leucite	9.GB.05	K(AlSi₂O₆)
ⓘ	Låvenite	9.BE.17	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	var. Hyalophane	9.FA.30	(K,Ba)[Al(Si,Al)Si₂O₈]
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Nontronite	9.EC.40	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
ⓘ	Nosean	9.FB.10	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Pargasite	9.DE.15	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Potassic-ferro-ferri-taramite	9.DE.20	K(CaNa)(Fe²⁺₃Fe³⁺₂)(Al₂Si₆O₂₂)(OH)₂
ⓘ	Richterite	9.DE.20	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Riebeckite	9.DE.25	◻[Na₂][Fe²⁺₃Fe³⁺₂]Si₈O₂₂(OH)₂
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Schorlomite	9.AD.25	Ca₃Ti₂(SiO₄)(Fe³⁺O₄)₂
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	Spessartine	9.AD.25	Mn²⁺₃Al₂(SiO₄)₃
ⓘ	Talc	9.EC.05	Mg₃Si₄O₁₀(OH)₂
ⓘ	Tetraferriannite	9.EC.20	KFe²⁺₃(Si₃Fe³⁺)O₁₀(OH)₂
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Topaz	9.AF.35	Al₂(SiO₄)(F,OH)₂
ⓘ	Tremolite	9.DE.10	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Vesuvianite	9.BG.35	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
ⓘ	'Zeolite Group'	9.G0.
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
Unclassified Minerals, Rocks, etc.
ⓘ	'Alkali Feldspar'	-
ⓘ	'Alkali pyroxene'	-
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Barkevikite'	-
ⓘ	'Bastnäsite'	-	(Ce/Nd/Y/REE)(CO₃)F
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
ⓘ	'Chevkinite Group'	-
ⓘ	'Chlorite Group'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Feldspar Group'	-
ⓘ	'var. Perthite'	-
ⓘ	'Ferritchromit'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Garnierite'	-
ⓘ	'Glass'	-
ⓘ	'Hypersthene'	-	(Mg,Fe)SiO₃
ⓘ	'K Feldspar'	-
ⓘ	'Kerolite'	-	(Mg,Ni)₃Si₄O₁₀(OH)₂ · nH₂O (n ~ 1)
ⓘ	'Kertschenite'	-
ⓘ	'Limonite'	-
ⓘ	'Melilite Group'	-	Ca₂M(XSiO₇)
ⓘ	'Mica Group'	-
ⓘ	'Monazite'	-	REE(PO₄)
ⓘ	'Orthopyroxene Subgroup'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Pyrochlore Supergroup'	-	A_2-mD₂X_6-wZ_1-n
ⓘ	'var. Betafite (of Hogarth 1977)'	-	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
ⓘ	'Pyroxene Group'	-	ADSi₂O₆
ⓘ	'Rhombohedral Carbonate'	-	(Ca/Mg/Fe/Mn etc)CO₃
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Silica'	-
ⓘ	'Smectite Group'	-	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
ⓘ	'Sodic amphibole'	-
ⓘ	'Wad'	-
ⓘ	'Zinnwaldite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Mantienneite	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
H	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
H	ⓘ Ferro-richterite	{Na}{CaNa}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
H	ⓘ Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
H	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Grunerite	◻{Fe₂²⁺}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Metavivianite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
H	ⓘ Lipscombite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂
H	ⓘ Beraunite	Fe₆³⁺(PO₄)₄O(OH)₄ · 6H₂O
H	ⓘ Santabarbaraite	Fe₃³⁺(PO₄)₂(OH)₃ · 5H₂O
H	ⓘ Strengite	FePO₄ · 2H₂O
H	ⓘ Phosphosiderite	FePO₄ · 2H₂O
H	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
H	ⓘ Cacoxenite	Fe₂₄³⁺AlO₆(PO₄)₁₇(OH)₁₂ · 75H₂O
H	ⓘ Pseudorutile var. Hydroxylian Pseudorutile	FeTi₆O₁₃ · 4H₂O ?
H	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)OH₂
H	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
H	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
H	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
H	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
H	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
H	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
H	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
H	ⓘ Goethite	α-Fe³⁺O(OH)
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Gibbsite	Al(OH)₃
H	ⓘ Beidellite	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Asbolane	(Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
H	ⓘ Ernienickelite	NiMn₃O₇ · 3H₂O
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Kerolite	(Mg,Ni)₃Si₄O₁₀(OH)₂ · nH₂O (n ~ 1)
H	ⓘ Chamosite	(Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈
H	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Taranakite	(K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
H	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
H	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
H	ⓘ Tetraferriannite	KFe₃²⁺(Si₃Fe³⁺)O₁₀(OH)₂
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
H	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
C	Carbon
C	ⓘ Rémondite-(Ce)	Na₃(Ce,Ca,Na)₃(CO₃)₅
C	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
C	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
C	ⓘ Calcite	CaCO₃
C	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
C	ⓘ Siderite	FeCO₃
C	ⓘ Magnesite	MgCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Rhombohedral Carbonate	(Ca/Mg/Fe/Mn etc)CO₃
N	Nitrogen
N	ⓘ Taranakite	(K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O
O	Oxygen
O	ⓘ Rémondite-(Ce)	Na₃(Ce,Ca,Na)₃(CO₃)₅
O	ⓘ Mantienneite	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
O	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
O	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
O	ⓘ Ferro-richterite	{Na}{CaNa}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
O	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
O	ⓘ Pseudorutile	Fe₂Ti₃O₉
O	ⓘ Ferrosilite	Fe₂²⁺Si₂O₆
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
O	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Grunerite	◻{Fe₂²⁺}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Metavivianite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
O	ⓘ Lipscombite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂
O	ⓘ Beraunite	Fe₆³⁺(PO₄)₄O(OH)₄ · 6H₂O
O	ⓘ Santabarbaraite	Fe₃³⁺(PO₄)₂(OH)₃ · 5H₂O
O	ⓘ Strengite	FePO₄ · 2H₂O
O	ⓘ Phosphosiderite	FePO₄ · 2H₂O
O	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
O	ⓘ Cacoxenite	Fe₂₄³⁺AlO₆(PO₄)₁₇(OH)₁₂ · 75H₂O
O	ⓘ Anatase	TiO₂
O	ⓘ Pseudorutile var. Hydroxylian Pseudorutile	FeTi₆O₁₃ · 4H₂O ?
O	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)OH₂
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
O	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
O	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
O	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
O	ⓘ Calcite	CaCO₃
O	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Monazite	REE(PO₄)
O	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
O	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
O	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Hematite var. Martite	Fe₂O₃
O	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
O	ⓘ Perovskite	CaTiO₃
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Leucite	K(AlSi₂O₆)
O	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
O	ⓘ Schorlomite	Ca₃Ti₂(SiO₄)(Fe³⁺O₄)₂
O	ⓘ Goethite	α-Fe³⁺O(OH)
O	ⓘ Maghemite	(Fe³⁺_0.67◻_0.33)Fe₂³⁺O₄
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Gibbsite	Al(OH)₃
O	ⓘ Beidellite	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Asbolane	(Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	ⓘ Ernienickelite	NiMn₃O₇ · 3H₂O
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Kerolite	(Mg,Ni)₃Si₄O₁₀(OH)₂ · nH₂O (n ~ 1)
O	ⓘ Fayalite	Fe₂²⁺SiO₄
O	ⓘ Enstatite	Mg₂Si₂O₆
O	ⓘ Siderite	FeCO₃
O	ⓘ Rutile	TiO₂
O	ⓘ Corundum var. Sapphire	Al₂O₃
O	ⓘ Forsterite	Mg₂SiO₄
O	ⓘ Chamosite	(Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈
O	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Magnesite	MgCO₃
O	ⓘ Pyroxene Group	ADSi₂O₆
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Corundum	Al₂O₃
O	ⓘ Melilite Group	Ca₂M(XSiO₇)
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Taranakite	(K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Cassiterite	SnO₂
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
O	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
O	ⓘ Uraninite	UO₂
O	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
O	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
O	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
O	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Tetraferriannite	KFe₃²⁺(Si₃Fe³⁺)O₁₀(OH)₂
O	ⓘ Hypersthene	(Mg,Fe)SiO₃
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
O	ⓘ Rhombohedral Carbonate	(Ca/Mg/Fe/Mn etc)CO₃
O	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
O	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
O	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
O	ⓘ Ulvöspinel	TiFe₂O₄
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Rutile var. Niobium-bearing Rutile	(Ti,Nb)O₂
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
F	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
F	ⓘ Fluorite	CaF₂
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
F	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Na	Sodium
Na	ⓘ Rémondite-(Ce)	Na₃(Ce,Ca,Na)₃(CO₃)₅
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
Na	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Na	ⓘ Ferro-richterite	{Na}{CaNa}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
Na	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Na	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Na	ⓘ Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
Na	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Na	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Na	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Na	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Na	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
Na	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Na	ⓘ Beidellite	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
Na	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Na	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Na	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Na	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Na	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Na	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Na	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
Mg	Magnesium
Mg	ⓘ Mantienneite	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
Mg	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Mg	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Mg	ⓘ Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
Mg	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Kerolite	(Mg,Ni)₃Si₄O₁₀(OH)₂ · nH₂O (n ~ 1)
Mg	ⓘ Enstatite	Mg₂Si₂O₆
Mg	ⓘ Forsterite	Mg₂SiO₄
Mg	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Magnesite	MgCO₃
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Mg	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Mg	ⓘ Hypersthene	(Mg,Fe)SiO₃
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Mg	ⓘ Rhombohedral Carbonate	(Ca/Mg/Fe/Mn etc)CO₃
Mg	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Al	Aluminium
Al	ⓘ Mantienneite	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
Al	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
Al	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Al	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	ⓘ Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
Al	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Cacoxenite	Fe₂₄³⁺AlO₆(PO₄)₁₇(OH)₁₂ · 75H₂O
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Al	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Al	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
Al	ⓘ Leucite	K(AlSi₂O₆)
Al	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Gibbsite	Al(OH)₃
Al	ⓘ Beidellite	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Corundum var. Sapphire	Al₂O₃
Al	ⓘ Chamosite	(Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Taranakite	(K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Al	ⓘ Sanidine	K(AlSi₃O₈)
Al	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Al	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Al	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Al	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Al	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
Al	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
Si	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Si	ⓘ Ferro-richterite	{Na}{CaNa}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Si	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Si	ⓘ Ferrosilite	Fe₂²⁺Si₂O₆
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
Si	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Grunerite	◻{Fe₂²⁺}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)OH₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Si	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Si	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Leucite	K(AlSi₂O₆)
Si	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Si	ⓘ Schorlomite	Ca₃Ti₂(SiO₄)(Fe³⁺O₄)₂
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Beidellite	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Kerolite	(Mg,Ni)₃Si₄O₁₀(OH)₂ · nH₂O (n ~ 1)
Si	ⓘ Fayalite	Fe₂²⁺SiO₄
Si	ⓘ Enstatite	Mg₂Si₂O₆
Si	ⓘ Forsterite	Mg₂SiO₄
Si	ⓘ Chamosite	(Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈
Si	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Pyroxene Group	ADSi₂O₆
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Melilite Group	Ca₂M(XSiO₇)
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Si	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
Si	ⓘ Sanidine	K(AlSi₃O₈)
Si	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Si	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Si	ⓘ Topaz	Al₂(SiO₄)(F,OH)₂
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Si	ⓘ Eckermannite	NaNa₂(Mg₄Al}Si₈O₂₂(OH)₂
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Tetraferriannite	KFe₃²⁺(Si₃Fe³⁺)O₁₀(OH)₂
Si	ⓘ Hypersthene	(Mg,Fe)SiO₃
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Si	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
Si	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Si	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
P	Phosphorus
P	ⓘ Mantienneite	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
P	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
P	ⓘ Metavivianite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
P	ⓘ Lipscombite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂
P	ⓘ Beraunite	Fe₆³⁺(PO₄)₄O(OH)₄ · 6H₂O
P	ⓘ Santabarbaraite	Fe₃³⁺(PO₄)₂(OH)₃ · 5H₂O
P	ⓘ Strengite	FePO₄ · 2H₂O
P	ⓘ Phosphosiderite	FePO₄ · 2H₂O
P	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
P	ⓘ Cacoxenite	Fe₂₄³⁺AlO₆(PO₄)₁₇(OH)₁₂ · 75H₂O
P	ⓘ Monazite	REE(PO₄)
P	ⓘ Schreibersite	(Fe,Ni)₃P
P	ⓘ Taranakite	(K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O
S	Sulfur
S	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
S	ⓘ Sphalerite	ZnS
S	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
S	ⓘ Troilite	FeS
S	ⓘ Pyrite	FeS₂
S	ⓘ Heazlewoodite	Ni₃S₂
S	ⓘ Cubanite	CuFe₂S₃
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Carrollite	CuCo₂S₄
S	ⓘ Covellite	CuS
S	ⓘ Galena	PbS
S	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
S	ⓘ Molybdenite	MoS₂
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
K	Potassium
K	ⓘ Mantienneite	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
K	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Leucite	K(AlSi₂O₆)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Taranakite	(K,NH₄)Al₃(PO₄)₃(OH) · 9H₂O
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Sanidine	K(AlSi₃O₈)
K	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
K	ⓘ Tetraferriannite	KFe₃²⁺(Si₃Fe³⁺)O₁₀(OH)₂
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
K	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
K	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
Ca	Calcium
Ca	ⓘ Rémondite-(Ce)	Na₃(Ce,Ca,Na)₃(CO₃)₅
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
Ca	ⓘ Anorthite var. Labradorite	(Ca,Na)[Al(Al,Si)Si₂O₈]
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Ferro-richterite	{Na}{CaNa}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Edenite	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂
Ca	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Ca	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)OH₂
Ca	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ca	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Ca	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Perovskite	CaTiO₃
Ca	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Ca	ⓘ Schorlomite	Ca₃Ti₂(SiO₄)(Fe³⁺O₄)₂
Ca	ⓘ Beidellite	(Na,Ca_0.5)_0.3Al₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Melilite Group	Ca₂M(XSiO₇)
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Ca	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Ca	ⓘ Rhombohedral Carbonate	(Ca/Mg/Fe/Mn etc)CO₃
Ca	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Ca	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
Ca	ⓘ Tremolite	◻Ca₂Mg₅(Si₈O₂₂)(OH)₂
Ti	Titanium
Ti	ⓘ Mantienneite	KMg₂Al₂Ti(PO₄)₄(OH)₃ · 15H₂O
Ti	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Ti	ⓘ Pseudorutile	Fe₂Ti₃O₉
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Pseudorutile var. Hydroxylian Pseudorutile	FeTi₆O₁₃ · 4H₂O ?
Ti	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ti	ⓘ Perovskite	CaTiO₃
Ti	ⓘ Schorlomite	Ca₃Ti₂(SiO₄)(Fe³⁺O₄)₂
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Ti	ⓘ Ulvöspinel	TiFe₂O₄
Ti	ⓘ Rutile var. Niobium-bearing Rutile	(Ti,Nb)O₂
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Mn	Manganese
Mn	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
Mn	ⓘ Asbolane	(Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O
Mn	ⓘ Ernienickelite	NiMn₃O₇ · 3H₂O
Mn	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Mn	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
Mn	ⓘ Rhombohedral Carbonate	(Ca/Mg/Fe/Mn etc)CO₃
Mn	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Fe	Iron
Fe	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Augite var. Fassaite	(Ca,Na)(Mg,Fe²⁺,Al,Fe³⁺,Ti)[(Si,Al)₂O₆]
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Fe	ⓘ Ferro-richterite	{Na}{CaNa}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
Fe	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Pseudorutile	Fe₂Ti₃O₉
Fe	ⓘ Ferrosilite	Fe₂²⁺Si₂O₆
Fe	ⓘ Grunerite	◻{Fe₂²⁺}{Fe₅²⁺}(Si₈O₂₂)(OH)₂
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Fe	ⓘ Metavivianite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
Fe	ⓘ Lipscombite	Fe²⁺Fe₂³⁺(PO₄)₂(OH)₂
Fe	ⓘ Beraunite	Fe₆³⁺(PO₄)₄O(OH)₄ · 6H₂O
Fe	ⓘ Santabarbaraite	Fe₃³⁺(PO₄)₂(OH)₃ · 5H₂O
Fe	ⓘ Strengite	FePO₄ · 2H₂O
Fe	ⓘ Phosphosiderite	FePO₄ · 2H₂O
Fe	ⓘ Strunzite	Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂ · 6H₂O
Fe	ⓘ Cacoxenite	Fe₂₄³⁺AlO₆(PO₄)₁₇(OH)₁₂ · 75H₂O
Fe	ⓘ Pseudorutile var. Hydroxylian Pseudorutile	FeTi₆O₁₃ · 4H₂O ?
Fe	ⓘ Ferro-actinolite	◻Ca₂Fe₅²⁺(Si₈O₂₂)OH₂
Fe	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Vesuvianite	Ca₁₉Fe³⁺Al₄(Al₆Mg₂)(◻₄)◻[Si₂O₇]₄[(SiO₄)₁₀]O(OH)₉
Fe	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Fe	ⓘ Hematite var. Martite	Fe₂O₃
Fe	ⓘ Taenite	(Fe,Ni)
Fe	ⓘ Schorlomite	Ca₃Ti₂(SiO₄)(Fe³⁺O₄)₂
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Maghemite	(Fe³⁺_0.67◻_0.33)Fe₂³⁺O₄
Fe	ⓘ Nontronite	Na_0.3Fe₂((Si,Al)₄O₁₀)(OH)₂ · nH₂O
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Fayalite	Fe₂²⁺SiO₄
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Tetrataenite	FeNi
Fe	ⓘ Troilite	FeS
Fe	ⓘ Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Schreibersite	(Fe,Ni)₃P
Fe	ⓘ Chamosite	(Fe²⁺)₅Al(Si,Al)₄O₁₀(OH,O)₈
Fe	ⓘ Iron	Fe
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Cubanite	CuFe₂S₃
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Riebeckite	◻[Na₂][Fe₃²⁺Fe₂³⁺]Si₈O₂₂(OH)₂
Fe	ⓘ Tetraferriannite	KFe₃²⁺(Si₃Fe³⁺)O₁₀(OH)₂
Fe	ⓘ Hypersthene	(Mg,Fe)SiO₃
Fe	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Fe	ⓘ Rhombohedral Carbonate	(Ca/Mg/Fe/Mn etc)CO₃
Fe	ⓘ Potassic-ferro-ferri-taramite	K(CaNa)(Fe₃²⁺Fe₂³⁺)(Al₂Si₆O₂₂)(OH)₂
Fe	ⓘ Ulvöspinel	TiFe₂O₄
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Co	Cobalt
Co	ⓘ Asbolane	(Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O
Co	ⓘ Carrollite	CuCo₂S₄
Ni	Nickel
Ni	ⓘ Taenite	(Fe,Ni)
Ni	ⓘ Asbolane	(Ni,Co)_2-xMn⁴⁺(O,OH)₄ · nH₂O
Ni	ⓘ Ernienickelite	NiMn₃O₇ · 3H₂O
Ni	ⓘ Kerolite	(Mg,Ni)₃Si₄O₁₀(OH)₂ · nH₂O (n ~ 1)
Ni	ⓘ Tetrataenite	FeNi
Ni	ⓘ Iron var. Kamacite	(Fe,Ni)
Ni	ⓘ Schreibersite	(Fe,Ni)₃P
Ni	ⓘ Heazlewoodite	Ni₃S₂
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Cu	Copper
Cu	ⓘ Cubanite	CuFe₂S₃
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Carrollite	CuCo₂S₄
Cu	ⓘ Covellite	CuS
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
Sr	Strontium
Sr	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Y	Yttrium
Y	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Zr	ⓘ Låvenite	Na₂Ca₂Mn₂Zr₂(Si₂O₇)₂O₂F₂
Nb	Niobium
Nb	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Nb	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
Nb	ⓘ Columbite-(Mn)	Mn²⁺Nb₂O₆
Nb	ⓘ Rutile var. Niobium-bearing Rutile	(Ti,Nb)O₂
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Ag	Silver
Ag	ⓘ Gold var. Electrum	(Au,Ag)
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
Ba	Barium
Ba	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Ba	ⓘ Microcline var. Hyalophane	(K,Ba)[Al(Si,Al)Si₂O₈]
Ce	Cerium
Ce	ⓘ Rémondite-(Ce)	Na₃(Ce,Ca,Na)₃(CO₃)₅
Ce	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Ce	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Nd	Neodymium
Nd	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Ta	Tantalum
Ta	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Au	Gold
Au	ⓘ Gold	Au
Au	ⓘ Gold var. Electrum	(Au,Ag)
Pb	Lead
Pb	ⓘ Galena	PbS
Th	Thorium
Th	ⓘ Thorite	Th(SiO₄)
U	Uranium
U	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
U	ⓘ Uraninite	UO₂

Geochronology

Mineralization age: Mesoarchean to Quaternary : 2890 ± 45 Ma to 0.065 ± 0.1 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic Time

Rocks, Minerals and Events

ⓘ Nephelinite (youngest age)	0.065 ± 0.1 Ma	Mount Etinde, Buea, Fako, Southwest Region, Cameroon
ⓘ Nephelinite (oldest age)	0.082 ± 0.3 Ma	Mount Etinde, Buea, Fako, Southwest Region, Cameroon
ⓘ Nepheline	0.6 Ma	Mount Etinde, Buea, Fako, Southwest Region, Cameroon
ⓘ Melanocratic nephelinite	1.1 Ma	Mount Etinde, Buea, Fako, Southwest Region, Cameroon

Neogene

Miocene

ⓘ Haüyne	6.3 Ma	Mount Etinde, Buea, Fako, Southwest Region, Cameroon
ⓘ Basalt (youngest age)	7.02 ± 0.2 Ma	Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
ⓘ Trachyte (youngest age)	9.8 ± 0.2 Ma	Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon
ⓘ Feldspar Group (youngest age)	15.1 Ma	Bambouto Volcanic Complex, Southwest Region, Cameroon
ⓘ Hawaiite (youngest age)	17 Ma	Oku Massif, Northwest Region, Cameroon
ⓘ Rhyolite (youngest age)	17 Ma	Oku Massif, Northwest Region, Cameroon
ⓘ Hawaiite (oldest age)	23 Ma	Oku Massif, Northwest Region, Cameroon
ⓘ Rhyolite (oldest age)	23 Ma	Oku Massif, Northwest Region, Cameroon

Paleogene

Oligocene

ⓘ Feldspar Group (oldest age)	24.9 Ma	Oku Massif, Northwest Region, Cameroon
ⓘ Basalt (oldest age)	27.4 ± 0.5 Ma	Kapsikis Plateau, Far North Region, Cameroon
ⓘ Trachyte (oldest age)	29.6 ± 0.6 Ma	Kapsikis Plateau, Far North Region, Cameroon
ⓘ K Feldspar (youngest age)	31 ± 1 Ma	Hossere Poli Complex, North Region, Cameroon
ⓘ Biotite (youngest age)	33 ± 5 Ma	Hossere Poli Complex, North Region, Cameroon
ⓘ Syenite (youngest age)	33 Ma	Hossere Tchegui Intrusion, North Region, Cameroon

Eocene

ⓘ Microgabbro	43 ± 2 Ma	Nlonako Intrusion, Littoral Region, Cameroon
ⓘ Syenite (oldest age)	45 ± 1 Ma	Nlonako Intrusion, Littoral Region, Cameroon
ⓘ K Feldspar (oldest age)	49.5 ± 1 Ma	Mayo Darle Complex, Mayo-Banyo, Adamawa Region, Cameroon

Paleocene

ⓘ Granite (youngest age)

63.3 ± 1.3 Ma

Mayo Darle Complex, Mayo-Banyo, Adamawa Region, Cameroon

Mesozoic

Cretaceous

Late/Upper Cretaceous

ⓘ Granite (oldest age)

67 ± 4 Ma

Golda Zuelva Complex, Far North Region, Cameroon

Paleozoic

Cambrian

Terreneuvian

ⓘ Amphibole Supergroup

529 ± 15 Ma

Nkonglong occurrence, Océan, South Region, Cameroon

ⓘ Biotite (oldest age)

550 Ma

Hossere Nyore Granite Intrusion, North Region, Cameroon

Archean

Mesoarchean

ⓘ Gneiss

2890 ± 45 Ma

Nkonglong occurrence, Océan, South Region, Cameroon

Fossils

There are 16 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

150

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

129 Ma (Early/Lower Cretaceous)

Stratigraphic Units

Unit	No. Occurrences	Age
Logbadjeck	37	83.5 - 70.6 Ma (Late/Upper Cretaceous)
Mungo River	38	86.3 - 83.6 Ma (Late/Upper Cretaceous)
Koum - Mbissirri	10	113 - 100.5 Ma (Early/Lower Cretaceous)
Koum - Grés de Gaba	25	125 - 100.5 Ma (Early/Lower Cretaceous)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Pugnellus genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : *Pugnellus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Solarium genus	Animalia : Mollusca : Gastropoda : Architectonicidae : *Solarium*	83.5 - 70.6 Ma Late/Upper Cretaceous
Turritella genus	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	83.5 - 70.6 Ma Late/Upper Cretaceous
Strepsidura genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Pseudolividae : *Strepsidura*	83.5 - 70.6 Ma Late/Upper Cretaceous
Volutilithes genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Volutidae : *Volutilithes*	83.5 - 70.6 Ma Late/Upper Cretaceous
Volutomorpha genus	Animalia : Mollusca : Gastropoda : Neogastropoda : Pholidotomidae : *Volutomorpha*	83.5 - 70.6 Ma Late/Upper Cretaceous
Coilopoceras genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : *Coilopoceras*	93.5 - 89.3 Ma Late/Upper Cretaceous
Desmophyllites genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : *Desmophyllites*	83.5 - 70.6 Ma Late/Upper Cretaceous
Forresteria genus	Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : *Forresteria*	89.8 - 86.3 Ma Late/Upper Cretaceous
Hoplitoides genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : *Hoplitoides*	93.5 - 89.3 Ma Late/Upper Cretaceous
Kamerunoceras genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : *Kamerunoceras*	93.5 - 89.3 Ma Late/Upper Cretaceous
Neoptychites genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Vascoceratidae : *Neoptychites*	93.5 - 89.3 Ma Late/Upper Cretaceous
Peroniceras genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : *Peroniceras*	89.8 - 86.3 Ma Late/Upper Cretaceous
Romaniceras genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : *Romaniceras*	93.5 - 89.3 Ma Late/Upper Cretaceous
Solgerites genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : *Solgerites*	89.8 - 86.3 Ma Late/Upper Cretaceous
Submortoniceras genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : *Submortoniceras*	86.3 - 83.6 Ma Late/Upper Cretaceous
Texanites genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : *Texanites*	86.3 - 70.6 Ma Late/Upper Cretaceous
Tissotia genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Tissotiidae : *Tissotia*	89.8 - 86.3 Ma Late/Upper Cretaceous
Nuculana genus	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : *Nuculana*	93.5 - 89.3 Ma Late/Upper Cretaceous
Brachidontes genus	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : *Brachidontes*	89.8 - 86.3 Ma Late/Upper Cretaceous
Ostrea genus	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : *Ostraea*	83.5 - 70.6 Ma Late/Upper Cretaceous
Pecten genus	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Pecten*	83.5 - 70.6 Ma Late/Upper Cretaceous
Plicatula genus	Animalia : Mollusca : Bivalvia : Pectinida : Plicatulidae : *Plicatula*	83.5 - 70.6 Ma Late/Upper Cretaceous
Pseudolimea genus	Animalia : Mollusca : Bivalvia : Limida : Limidae : *Pseudolimea*	83.5 - 70.6 Ma Late/Upper Cretaceous
Anofia genus	Animalia : Mollusca : Bivalvia : Cardiida : *Anofia*	83.5 - 70.6 Ma Late/Upper Cretaceous
Baluchicardia genus	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : *Baluchicardia*	72.1 - 66 Ma Late/Upper Cretaceous
Fragum genus	Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : *Fragum*	89.8 - 86.3 Ma Late/Upper Cretaceous
Freiastarte genus	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : *Freiastarte*	72.1 - 66 Ma Late/Upper Cretaceous
Granocardium genus	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : *Granocardium*	83.5 - 70.6 Ma Late/Upper Cretaceous
Legumen genus	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Legumen*	72.1 - 66 Ma Late/Upper Cretaceous
Mulinoides genus	Animalia : Mollusca : Bivalvia : Cardiida : *Mulinoides*	72.1 - 66 Ma Late/Upper Cretaceous
Palaeomoera genus	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Palaeomoera*	72.1 - 66 Ma Late/Upper Cretaceous
Profragum genus	Animalia : Mollusca : Bivalvia : Cardiida : *Profragum*	72.1 - 66 Ma Late/Upper Cretaceous
Subvenericardia genus	Animalia : Mollusca : Bivalvia : Cardiida : *Subvenericardia*	72.1 - 66 Ma Late/Upper Cretaceous
Tellina genus	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Tellina*	83.5 - 70.6 Ma Late/Upper Cretaceous
Veniella genus	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : *Veniella*	72.1 - 66 Ma Late/Upper Cretaceous
Parmicorbula genus	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : *Parmicorbula*	89.8 - 66 Ma Late/Upper Cretaceous
Liopistha genus	Animalia : Mollusca : Bivalvia : Poromyidae : *Liopistha*	89.8 - 86.3 Ma Late/Upper Cretaceous
Galathea genus	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : *Galathea*	56 - 23.03 Ma Cenozoic
Osteichthyes unranked clade	Animalia : Chordata : Osteichthyes	125 - 100.5 Ma Early/Lower Cretaceous
Semionotiformes order	Animalia : Chordata : Actinopteri : Semionotiformes	125 - 100.5 Ma Early/Lower Cretaceous
Crocodylia unranked clade	Animalia : Chordata : Reptilia : Crocodylia	125 - 100.5 Ma Early/Lower Cretaceous
Mammalia class	Animalia : Chordata : Mammalia	125 - 100.5 Ma Early/Lower Cretaceous
Lacertilia suborder	Animalia : Chordata : Reptilia : Squamata : Lacertilia	125 - 100.5 Ma Early/Lower Cretaceous
Araripesuchus genus	Animalia : Chordata : Reptilia : Crocodylia : *Araripesuchus*	125 - 100.5 Ma Early/Lower Cretaceous
Pterosauria order	Animalia : Chordata : Reptilia : Pterosauria	83.5 - 70.6 Ma Late/Upper Cretaceous
Theropoda unranked clade	Animalia : Chordata : Saurischia : Theropoda	125 - 100.5 Ma Early/Lower Cretaceous
Spinosauridae family	Animalia : Chordata : Saurischia : Spinosauridae	125 - 100.5 Ma Early/Lower Cretaceous
Spinosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Spinosauridae : *Spinosaurus*	125 - 100.5 Ma Early/Lower Cretaceous
Sauropoda unranked clade	Animalia : Chordata : Saurischia : Sauropoda	125 - 100.5 Ma Early/Lower Cretaceous
Ornithopoda unranked clade	Animalia : Chordata : Ornithischia : Ornithopoda	125 - 100.5 Ma Early/Lower Cretaceous
Ouranosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Iguanodontidae : *Ouranosaurus*	125 - 100.5 Ma Early/Lower Cretaceous
Theria subclass	Animalia : Chordata : Mammalia : Theria	125 - 100.5 Ma Early/Lower Cretaceous
Dinosauria order	Animalia : Chordata : Reptilia : Dinosauria	125 - 100.5 Ma Early/Lower Cretaceous
Thyreophora unranked clade	Animalia : Chordata : Ornithischia : Thyreophora	125 - 100.5 Ma Early/Lower Cretaceous
Testudines order	Animalia : Chordata : Reptilia : Testudines	125 - 100.5 Ma Early/Lower Cretaceous
Insecta class	Animalia : Arthropoda : Insecta	125 - 100.5 Ma Early/Lower Cretaceous
Dipnoi subclass	Animalia : Chordata : Osteichthyes : Dipnoi	125 - 100.5 Ma Early/Lower Cretaceous
Cladotheria unranked clade	Animalia : Chordata : Mammalia : Cladotheria	125 - 100.5 Ma Early/Lower Cretaceous
Volutomorpha aspera species	Animalia : Mollusca : Gastropoda : Neogastropoda : Pholidotomidae : Volutomorpha : *Volutomorpha aspera*	83.5 - 70.6 Ma Late/Upper Cretaceous
Somphospondyli unranked clade	Animalia : Chordata : Saurischia : Somphospondyli	125 - 100.5 Ma Early/Lower Cretaceous
Sousa teuszii species	Animalia : Chordata : Mammalia : Cetacea : Delphinidae : Sousa : *Sousa teuszii*	0.0117 - 0 Ma Quaternary
Nostoceratidae family	Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Chenopus genus	Animalia : Mollusca : Gastropoda : Aporrhaidae : *Chenopus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Anura order	Animalia : Chordata : Osteichthyes : Anura	125 - 100.5 Ma Early/Lower Cretaceous
Acteonella genus	Animalia : Mollusca : Gastropoda : Cephalaspidea : Acteonidae : *Acteonella*	83.5 - 70.6 Ma Late/Upper Cretaceous
Pachydesmoceras kamerunense species	Animalia : Mollusca : Cephalopoda : Ammonitida : Desmoceratidae : Pachydesmoceras : *Pachydesmoceras kamerunense*	93.5 - 89.3 Ma Late/Upper Cretaceous
Kamerunoceras eschii species	Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Kamerunoceras : *Kamerunoceras eschii*	93.5 - 89.3 Ma Late/Upper Cretaceous
Choffaticeras (Choffaticeras) subgenus	Animalia : Mollusca : Cephalopoda : Ammonitida : Pseudotissotiidae : Choffaticeras : *Choffaticeras (Choffaticeras)*	93.5 - 89.3 Ma Late/Upper Cretaceous
Benueites benueensis species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Benueites : *Benueites benueensis*	93.5 - 89.3 Ma Late/Upper Cretaceous
Barroisiceras (Solgerites) brancoi species	Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Solgerites : *Barroisiceras (Solgerites) brancoi*	89.8 - 86.3 Ma Late/Upper Cretaceous
Estheria genus	Animalia : Arthropoda : *Estheria*	113 - 100.5 Ma Early/Lower Cretaceous
Watinoceras reesidei species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Watinoceras : *Watinoceras reesidei*	93.5 - 89.3 Ma Late/Upper Cretaceous
Neoptychites cephalotus species	Animalia : Mollusca : Cephalopoda : Ammonitida : Vascoceratidae : Neoptychites : *Neoptychites cephalotus*	93.5 - 89.3 Ma Late/Upper Cretaceous
Harleites harlei species	Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Forresteria : *Harleites harlei*	89.8 - 86.3 Ma Late/Upper Cretaceous
Benueites mosquerae species	Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Benueites : *Benueites mosquerae*	93.5 - 89.3 Ma Late/Upper Cretaceous
Hoplitoides wohltmanni species	Animalia : Mollusca : Cephalopoda : Ammonitida : Coilopoceratidae : Hoplitoides : *Hoplitoides wohltmanni*	93.5 - 89.3 Ma Late/Upper Cretaceous
Mammites mutabilis species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Mammites : *Mammites mutabilis*	93.5 - 89.3 Ma Late/Upper Cretaceous
Hoplitoides ingens species	Animalia : Mollusca : Cephalopoda : Ammonitida : Coilopoceratidae : Hoplitoides : *Hoplitoides ingens*	93.5 - 89.3 Ma Late/Upper Cretaceous
Araripesuchus wegeneri species	Animalia : Chordata : Reptilia : Crocodylia : Araripesuchus : *Araripesuchus wegeneri*	125 - 100.5 Ma Early/Lower Cretaceous
Brillanceausuchus babouriensis species	Animalia : Chordata : Reptilia : Crocodylia : Paralligatoridae : Brillanceausuchus : *Brillanceausuchus babouriensis*	129.4 - 125 Ma Early/Lower Cretaceous
Eumunida pentacantha species	Animalia : Arthropoda : Malacostraca : Decapoda : Chirostylidae : Eumunida : *Eumunida pentacantha*	56 - 23.03 Ma Cenozoic
Acanthogalathea feldmanni species	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : Acanthogalathea : *Acanthogalathea feldmanni*	56 - 23.03 Ma Cenozoic
Acanthogalathea parva species	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : Acanthogalathea : *Acanthogalathea parva*	56 - 23.03 Ma Cenozoic
Galathea berica species	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : Galathea : *Galathea berica*	56 - 23.03 Ma Cenozoic
Galathea weinfurteri species	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : Galathea : *Galathea weinfurteri*	56 - 23.03 Ma Cenozoic
Lessinigalathea regale species	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : Lessinigalathea : *Lessinigalathea regale*	56 - 23.03 Ma Cenozoic
Palaeomunida multicristata species	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : Palaeomunida : *Palaeomunida multicristata*	56 - 23.03 Ma Cenozoic
Spathagalathea minuta species	Animalia : Arthropoda : Malacostraca : Decapoda : Galatheidae : Spathagalathea : *Spathagalathea minuta*	56 - 23.03 Ma Cenozoic
Beripetrolisthes mulleri species	Animalia : Arthropoda : Malacostraca : Decapoda : Porcellanidae : Beripetrolisthes : *Beripetrolisthes mulleri*	56 - 23.03 Ma Cenozoic
Eopetrolisthes striatissimus species	Animalia : Arthropoda : Malacostraca : Decapoda : Porcellanidae : Eopetrolisthes : *Eopetrolisthes striatissimus*	56 - 23.03 Ma Cenozoic
Lobipetrolisthes blowi species	Animalia : Arthropoda : Malacostraca : Decapoda : Porcellanidae : Lobipetrolisthes : *Lobipetrolisthes blowi*	56 - 23.03 Ma Cenozoic
Longoporcellana lobata species	Animalia : Arthropoda : Malacostraca : Decapoda : Porcellanidae : Longoporcellana : *Longoporcellana lobata*	56 - 23.03 Ma Cenozoic
Petrolisthes bittneri species	Animalia : Arthropoda : Malacostraca : Decapoda : Porcellanidae : Petrolisthes : *Petrolisthes bittneri*	56 - 23.03 Ma Cenozoic
Petrolisthes vicetinus species	Animalia : Arthropoda : Malacostraca : Decapoda : Porcellanidae : Petrolisthes : *Petrolisthes vicetinus*	56 - 23.03 Ma Cenozoic
Pisidia dorsosinuosa species	Animalia : Arthropoda : Malacostraca : Decapoda : Porcellanidae : Pisidia : *Pisidia dorsosinuosa*	56 - 23.03 Ma Cenozoic
Classopollis genus	Plantae : Tracheophyta : Pinopsida : Pinales : Cheirolepidiaceae : *Classopollis*	125 - 100.5 Ma Early/Lower Cretaceous
Watinoceras amudariense species	Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Watinoceras : *Watinoceras amudariense*	93.5 - 89.3 Ma Late/Upper Cretaceous
Hoplitoides gibbosulus species	Animalia : Mollusca : Cephalopoda : Ammonitida : Coilopoceratidae : Hoplitoides : *Hoplitoides gibbosulus*	93.5 - 89.3 Ma Late/Upper Cretaceous
Hoplitoides koeneni species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Hoplitoides : *Hoplitoides koeneni*	93.5 - 89.3 Ma Late/Upper Cretaceous
Bizarrus genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : *Bizarrus*	89.8 - 86.3 Ma Late/Upper Cretaceous
Bizarrus dietrichi species	Animalia : Mollusca : Gastropoda : Aporrhaidae : Bizarrus : *Bizarrus dietrichi*	89.8 - 86.3 Ma Late/Upper Cretaceous
Venericardia beaumonti species	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Venericardia : *Venericardia beaumonti*	83.5 - 70.6 Ma Late/Upper Cretaceous
Eriphyla lenticularis species	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : Eriphyla : *Eriphyla lenticularis*	89.8 - 86.3 Ma Late/Upper Cretaceous
Nuculana cultellus species	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Nuculana : *Nuculana cultellus*	93.5 - 89.3 Ma Late/Upper Cretaceous
Trigonarca camerunensis species	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Trigonarca : *Trigonarca camerunensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Trigonarca furoni species	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Trigonarca : *Trigonarca furoni*	72.1 - 66 Ma Late/Upper Cretaceous
Pseudocucullaea lens species	Animalia : Mollusca : Bivalvia : Arcida : Cucullaeidae : Pseudocucullaea : *Pseudocucullaea lens*	89.8 - 86.3 Ma Late/Upper Cretaceous
Plicatula auressensis species	Animalia : Mollusca : Bivalvia : Pectinida : Plicatulidae : Plicatula : *Plicatula auressensis*	100.5 - 89.8 Ma Late/Upper Cretaceous
Plicatula ferryi species	Animalia : Mollusca : Bivalvia : Pectinida : Plicatulidae : Plicatula : *Plicatula ferryi*	93.9 - 89.8 Ma Late/Upper Cretaceous
Plicatula locardi species	Animalia : Mollusca : Bivalvia : Pectinida : Plicatulidae : Plicatula : *Plicatula locardi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Turritella nodosa species	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Turritellidae : Turritella : *Turritella nodosa*	83.5 - 70.6 Ma Late/Upper Cretaceous
Turritella alternans species	Animalia : Mollusca : Gastropoda : Sorbeoconcha : Turritellidae : Turritella : *Turritella alternans*	83.5 - 70.6 Ma Late/Upper Cretaceous

Fossil Localities

Click to show 16 fossil localities

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Cameroon
Wikidata ID:	Q1009
GeoNames ID:	2233387

Localities in this Region

Cameroon

⭔Adamawa Region
- ⭔Djérem
- ⭔Faro-et-Déo
- ⭔Mayo-Banyo
  - Mayo Darle Complex
  - Tikar plain
    - Pandé massif
- ⭔Mbéré
  - Western Meiganga gold placer
- ⭔Vina
  - ⭔Belel
  - ⭔Martap
    - Anloua
  - ⭔Mbé
  - ⭔Nganha
    - Tchabal Nganha Volcano
  - ⭔Ngaoundéré
  - Ngaoundere Volcanic Field
  - ⭔Nyambaka
⭔Centre Region
- ⭔Nyong-et-Kéllé
  - ⭔Éséka
    - Pouth-Kellé
  - Lolodorf occurrence
- ⭔Nyong-et-So'o
  - Akongo occurrence
⭔East Region
- ⭔Haut-Nyong
  - ⭔Lomié
    - Lomié Ultramafic complex
      - Nkamouna Mine
  - ⭔Ngoyla
    - Mbalam
      - Mbarga Fe deposit
      - Metzimevin Fe deposit
- ⭔Lom-et-Djerem
  - ⭔Bétaré-Oya
    - Bétaré Oya gold district
⭔Far North Region
⭔Littoral Region
- Douala III
  - Logbaba
    - Oil field
- Ekomédion U–Mo prospect
- Mount Koupe
- Nlonako Intrusion
⭔North Region
- ⭔Bénoué
  - ⭔Garoua
  - Goroua Group of Plugs
  - ⭔Mayo Hourna
  - ⭔Ngong
    - Kokoumi
- Guider Intrusion

Cameroon

North Region
⭔Northwest Region
- ⭔Donga-Mantung
  - ⭔Ako
  - Mba Namboe Intrusion
  - ⭔Misaje
    - Mayo Binka Fe deposit
  - ⭔Nkambe
    - Adamellite outcrop
- Oku Massif
⭔South Region
- ⭔Dja-Et-Lobo
  - ⭔Djoum
  - ⭔Meyomessi
    - Mezesse
  - ⭔Sangmélima
- ⭔Océan
⭔Southwest Region
- Bambouto Volcanic Complex
- ⭔Fako
  - ⭔Buea
    - Mount Cameroon
    - Mount Etinde
- Manengouba stratovolcano
- ⭔Manyu
  - ⭔Akwaya
  - ⭔Eyumodjock
    - Munaya placer
    - Nsanaragati placer
  - ⭔Mamfe
    - Nda-Ali Massif
- Rumpi Hills
- Tombel Plain
⭔West Region
- ⭔Bamboutos
  - ⭔Galim
    - Noun plain
- Mbapit volcano

Other Regions, Features and Areas that Intersect

Africa

Adamawa PlateauPlateau

African PlateTectonic Plate

Cameroon

Southwest Region
- Mont Cameroun National ParkNational Park

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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