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:
Lomié Ultramafic Complex, Lomié, East Region, Cameroon


mindat Locality ID: 300835
mindat URL: http://www.mindat.org/loc-300835.html

Tectonic Settings:

Total number of sublocalities beneath "Lomié Ultramafic Complex, Lomié, East Region, Cameroon": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Nkamouna Mine

Latitude: 3°15'59"N
Longitude: 13°50'42"E
Decimal Degree (lat, lon): 3.2663888888889,13.845
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: 

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)4129437708
Arsenopyrite  (*)ArsenopyriteFeAsS1294379052
Asbolane  (*)Not in a structural groupMn4+(O,OH)2·(Co,Ni,Mg,Ca)x(OH)2x·nH2O129437143
Beidellite  (*)Clay Smectite-vermiculite(Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O12943785
Carrollite  (*)SpinelCuCo2S4129437154
Chalcopyrite  (*)ChalcopyriteCuFeS212943727198
Chromite  (*)SpinelFe2+Cr2O41294373902
Cubanite  (*)Cubanite WurtziteCuFe2S3129437802
Dolomite  (*)NoneCaMg(CO3)21294379895
Ernienickelite  (*)NoneNiMn4+3O7·3H2O1294376
Gibbsite  (*)NoneAl(OH)3129437504
Goethite  (*)DiasporeFeO(OH)1294377437
Heazlewoodite  (*)NoneNi3S2129437205
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)41294375591
Maghemite  (*)Spinel(Fe3+0.67   0.33)Fe3+2O4129437229
Magnesite  (*)CalciteMg(CO3)1294371487
Magnetite  (*)SpinelFe2+Fe3+2O412943714899
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O1294371508
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O129437471
Pentlandite  (*)Pentlandite(Ni,Fe)9S81294371512
Pyrrhotite  (*)NickelineFe7S81294379056
Quartz  (*)QuartzSiO212943761156
Spinel  (*)SpinelMgAl2O41294371934
Talc  (*)Clay TalcMg3Si4O10(OH)21294373337


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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