Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Nkamouna Mine, Lomié Ultramafic Complex, Lomié, East Region, Cameroon


mindat Locality ID: 210801
mindat URL: http://www.mindat.org/loc-210801.html

Tectonic Settings:

Total number of sublocalities beneath "Nkamouna Mine, Lomié Ultramafic Complex, Lomié, East Region, Cameroon": 0
Total number of bottom-level sublocalities: 0

Latitude: 3°16'0"N
Longitude: 13°50'43"E
Decimal Degree (lat, lon): 3.2666666666667,13.845277777778
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al As C Ca Co Cr Cu Fe H Mg Mn Na Ni O S Si 

Elements from minerals reported directly at this locality: Al As C Ca Co Cr Cu Fe H Mg Mn Na Ni O S Si 

Structural Groups for minerals in this locality: 
ArsenopyriteCalciteChalcopyriteClayCubaniteDiasporeKaoliniteNickelineNoneNot in a structural group
PentlanditeQuartzSerpentineSmectite-vermiculiteSpinelTalcWurtzite

24 IMA Minerals at location:
Antigorite  (*)Arsenopyrite  (*)Asbolane  (*)Beidellite  (*)Carrollite  (*)
Chalcopyrite  (*)Chromite  (*)Cubanite  (*)Dolomite  (*)Ernienickelite  (*)
Gibbsite  (*)Goethite  (*)Heazlewoodite  (*)Kaolinite  (*)Maghemite  (*)
Magnesite  (*)Magnetite  (*)Montmorillonite  (*)Nontronite  (*)Pentlandite  (*)
Pyrrhotite  (*)Quartz  (*)Spinel  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)40708
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Asbolane  (*)Not in a structural groupMn4+(O,OH)2·(Co,Ni,Mg,Ca)x(OH)2x·nH2O0143
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O085
Carrollite  (*)SpinelCuCo2S40154
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chromite  (*)SpinelFe2+Cr2O403902
Cubanite  (*)Cubanite WurtziteCuFe2S30802
Dolomite  (*)NoneCaMg(CO3)209895
Ernienickelite  (*)NoneNiMn4+3O7·3H2O06
Gibbsite  (*)NoneAl(OH)30504
Goethite  (*)DiasporeFeO(OH)07437
Heazlewoodite  (*)NoneNi3S20205
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)405591
Maghemite  (*)Spinel(Fe3+0.67   0.33)Fe3+2O40229
Magnesite  (*)CalciteMg(CO3)01487
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O01508
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O0471
Pentlandite  (*)Pentlandite(Ni,Fe)9S801512
Pyrrhotite  (*)NickelineFe7S809056
Quartz  (*)QuartzSiO2061156
Spinel  (*)SpinelMgAl2O401934
Talc  (*)Clay TalcMg3Si4O10(OH)203337


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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