Large composite volcano with an elevation of about 1000 m which is situated within the Ngaoundere volcanic field at the eastern end and Adamawa Plateau.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

9 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine-augite

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

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

ⓘ 'Alkali Feldspar'

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.

ⓘ 'Amphibole Supergroup'

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

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.

ⓘ Arfvedsonite

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

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.

ⓘ 'Chevkinite Group'

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.

ⓘ 'Clinopyroxene Subgroup'

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.

ⓘ 'Fayalite-Forsterite Series'

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.

ⓘ 'Glass'

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.

ⓘ Haüyne

Formula: Na₃Ca(Si₃Al₃)O₁₂(SO₄)

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.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

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.

ⓘ Kaersutite

Formula: NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂

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.

ⓘ Nosean

Formula: Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O

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.

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

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.

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

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.

ⓘ Richterite

Formula: Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂

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.

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

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.

ⓘ Titanite

Formula: CaTi(SiO₄)O

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.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
Group 9 - Silicates
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Aegirine-augite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Kaersutite	9.DE.15	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
ⓘ	Richterite	9.DE.20	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Arfvedsonite	9.DE.25	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂
ⓘ	Haüyne	9.FB.10	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
ⓘ	Nosean	9.FB.10	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
Unclassified
ⓘ	'Alkali Feldspar'	-
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Pyroxene Group'	-	ADSi₂O₆
ⓘ	'Glass'	-
ⓘ	'Chevkinite Group'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
H	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
H	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
O	Oxygen
O	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
O	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
O	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
O	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Pyroxene Group	ADSi₂O₆
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Na	Sodium
Na	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Na	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Na	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Na	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
Na	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Mg	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Al	Aluminium
Al	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Al	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Al	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Si	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Si	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Si	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
Si	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Pyroxene Group	ADSi₂O₆
S	Sulfur
S	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
S	ⓘ Nosean	Na₈(Al₆Si₆O₂₄)(SO₄) · H₂O
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Ca	Calcium
Ca	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Ca	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Ca	ⓘ Richterite	Na(NaCa)Mg₅(Si₈O₂₂)(OH)₂
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Fe	ⓘ Ilmenite	Fe²⁺TiO₃

Geochronology

Mineralization age: Miocene : 7.9 ± 0.2 Ma to 7.02 ± 0.2 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

ⓘ Basalt	7.02 ± 0.2 Ma
ⓘ Trachyte (oldest age)	7.9 ± 0.2 Ma
ⓘ Trachyte (youngest age)	9.8 ± 0.2 Ma

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.

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.

Woolley, A. R. (2001). Alkaline rocks and carbonatites of the world. Part 3: Africa. Geological Society. Natural History Museum, London, p. 33.

Quick NavTop Mineral List Rock Types Geochronology References

版权所有© mindat.org1993年至2024年，除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。
隐私政策 - 条款和条款细则 - 联络我们 - Report a bug/vulnerability Current server date and time: 2024.5.14 14:26:37 Page updated: 2024.1.15 14:39:55

Go to top of page

Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, CamerooniRegional Level TypesTchabal Nganha VolcanoVolcano NganhaCommune VinaDepartment Adamawa RegionRegion CameroonCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Mineral List

Rock Types Recorded

Select Rock List Type

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Geochronology

References

Tchabal Nganha Volcano, Nganha, Vina, Adamawa Region, Cameroon i
Regional Level Types
Tchabal Nganha Volcano Volcano
Nganha Commune
Vina Department
Adamawa Region Region
Cameroon Country