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Kotovelo thorianite deposit, Tranomaro, Amboasary Sud, Anosy, Madagascari
Regional Level Types
Kotovelo thorianite depositDeposit
TranomaroCommune
Amboasary SudDistrict
AnosyRegion
MadagascarCountry

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Key
Lock Map
Name in Malagasy:Kotovelo, Kaominin'i Tranomaro, Distrikan' Amboasary Atsimo, Faritr' Anosy, Madagasikara
Latitude & Longitude (WGS84): 24° 41' 12'' South , 46° 24' 17'' East
Latitude & Longitude (decimal): -24.68694,46.40500
GeoHash:G#: m58gxczh4
Locality type:Deposit
Köppen climate type:Am : Tropical monsoon climate
Nearest Settlements:
PlacePopulationDistance
Amboasary36,082 (2018)38.6km


An uranothorianite deposit situated near Andranokaolo and close to Morafeno. Located 12 km SSW of Tranomaro in the southeastern part of Madagascar. The deposit is located at the SE foot ot the Antaritarika hills. A 12 wide and 300 m long band in a diopsidite (pyroxenite) has been worked for uranothorianite.
Coordinates are not confirmed, based on map of Brenon (1957).

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Tuléar Province (Toliara), MadagascarProvince

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


11 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Behier, J. (1960): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
'Apatite'
Reference: Behier, J. (1960): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72
Bornite
Formula: Cu5FeS4
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72
Calcite
Formula: CaCO3
Reference: Behier, J. (1960): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
Chalcopyrite
Formula: CuFeS2
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive p 72
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72
Covellite
Formula: CuS
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72
Fluorite
Formula: CaF2
Reference: Behier, J. (1960): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Brenon, P. (1957) Etude des gisements de thorianite et de mica de la region de Tranomaro. [Title on journal]: 171-177.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72
'Scapolite'
Reference: Brenon, P. (1957) Etude des gisements de thorianite et de mica de la region de Tranomaro. [Title on journal]: 171-177.
'Scapolite var: Wernerite'
Reference: Brenon, P. (1957) Etude des gisements de thorianite et de mica de la region de Tranomaro. [Title on journal]: 171-177.
Spinel
Formula: MgAl2O4
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72
Thorianite
Formula: ThO2
Habit: cubes usually 2-4 mm but up to 10mm in size has been found
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72 ; Besaire, H. (1961): Les ressources minérales de Madagascar. Annales Géologiques de Madagascar XXX, Tananarive. 1-116 [p. 57]
Thorianite var: Uranothorianite
Formula: (Th,U)O2
Habit: cubes usually 2-4 mm but up to 10mm in size has been found
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72 ; Besaire, H. (1961): Les ressources minérales de Madagascar. Annales Géologiques de Madagascar XXX, Tananarive. 1-116 [p. 57]
'Thorogummite'
Formula: (Th,U)(SiO4)1-x(OH)4x
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 72 ; Besaire, H. (1961): Les ressources minérales de Madagascar. Annales Géologiques de Madagascar XXX, Tananarive. 1-116 [p. 57]

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Spinel4.BB.05MgAl2O4
Thorianite4.DL.05ThO2
var: Uranothorianite4.DL.05(Th,U)O2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Garnet Group'-X3Z2(SiO4)3
'Scapolite'-
'var: Wernerite'-
'Thorogummite'-(Th,U)(SiO4)1-x(OH)4x

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Thorianite5.1.1.2ThO2
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
'Thorogummite'51.5.2.5(Th,U)(SiO4)1-x(OH)4x
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Garnet Group'-X3Z2(SiO4)3
'Scapolite'-
'var: Wernerite'-
Thorianite
var: Uranothorianite
-(Th,U)O2

List of minerals for each chemical element

HHydrogen
H Thorogummite(Th,U)(SiO4)1-x(OH)4x
H AzuriteCu3(CO3)2(OH)2
H MalachiteCu2(CO3)(OH)2
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
CCarbon
C CalciteCaCO3
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O CalciteCaCO3
O Thorianite (var: Uranothorianite)(Th,U)O2
O SpinelMgAl2O4
O Thorogummite(Th,U)(SiO4)1-x(OH)4x
O AzuriteCu3(CO3)2(OH)2
O MalachiteCu2(CO3)(OH)2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O AndraditeCa3Fe23+(SiO4)3
O ThorianiteThO2
O Garnet GroupX3Z2(SiO4)3
FFluorine
F FluoriteCaF2
MgMagnesium
Mg SpinelMgAl2O4
AlAluminium
Al SpinelMgAl2O4
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SiSilicon
Si Thorogummite(Th,U)(SiO4)1-x(OH)4x
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si AndraditeCa3Fe23+(SiO4)3
Si Garnet GroupX3Z2(SiO4)3
SSulfur
S ChalcopyriteCuFeS2
S BorniteCu5FeS4
S CovelliteCuS
CaCalcium
Ca CalciteCaCO3
Ca AndraditeCa3Fe23+(SiO4)3
Ca FluoriteCaF2
FeIron
Fe ChalcopyriteCuFeS2
Fe BorniteCu5FeS4
Fe AndraditeCa3Fe23+(SiO4)3
CuCopper
Cu ChalcopyriteCuFeS2
Cu BorniteCu5FeS4
Cu CovelliteCuS
Cu AzuriteCu3(CO3)2(OH)2
Cu MalachiteCu2(CO3)(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
ThThorium
Th Thorianite (var: Uranothorianite)(Th,U)O2
Th Thorogummite(Th,U)(SiO4)1-x(OH)4x
Th ThorianiteThO2
UUranium
U Thorianite (var: Uranothorianite)(Th,U)O2
U Thorogummite(Th,U)(SiO4)1-x(OH)4x

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 3191055
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Crystalline metamorphic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Rhyacian
2050 - 2300 Ma



ID: 3306489

Age: Rhyacian (2050 - 2300 Ma)

Lithology: Metamorphic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Brenon, P. (1957) Etude des gisements de thorianite et de mica de la region de Tranomaro. [Title on journal]: 171-177.
Behier, J. (1960): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p.72
Besaire, H. (1961): Les ressources minérales de Madagascar. Annales Géologiques de Madagascar XXX, Tananarive. 1-116 [p. 57]
Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 396-397


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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