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:
Inchiri Region, Mauritania

Oldest recorded age at locality: 2501
Youngest recorded age at locality: 2483

mindat Locality ID: 145694
mindat URL: http://www.mindat.org/loc-145694.html

Tectonic Settings:

Total number of sublocalities beneath "Inchiri Region, Mauritania": 72
Total number of bottom-level sublocalities: 68

Number of Child Localities: 5
Child Localities:
Ahmeyim
Akjoujt (Akjout; Fort Repoux)
Chami
Galb Inal Meteorite
Tasiast Gold Mine

Latitude: 20°34'50"N
Longitude: 14°55'20"W
Decimal Degree (lat, lon): 20.580555555556,-14.922222222222
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: Ag Al As Au Be Bi C Ca Cl Co Cr Cu Fe H K Li Mg Mo Na Ni O P Pb S Sb Si Ti U W Y Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleArsenicArsenopyriteBerylCalciteCancrinite-sodaliteChalcopyriteClayCobaltite
CopperCorundumCubaniteFeldsparFluoriteIronLöllingiteMalachiteMicaMolybdenite
NickelineNoneNot in a structural groupOlivinePentlanditePyritePyroxeneQuartzRocksaltRutile
ScheeliteSerpentineSodaliteSpinelTungstiteWurtziteZircon

59 IMA Minerals at location:
Actinolite  (*)Albite  (*)Ankerite  (*)Anorthite  (*)Arsenopyrite  (*)
Azurite  (*)Beryl  (*)Bismuth  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chromite  (*)Chrysocolla  (*)Chrysotile  (*)Clinosafflorite  (*)
Cobaltite  (*)Copper  (*)Cubanite  (*)Cummingtonite  (*)Cuprite  (*)
Diaphorite  (*)Fayalite  (*)Galena  (*)Gold  (*)Graphite  (*)
Grunerite  (*)Hedenbergite  (*)Hematite  (*)Ilmenite  (*)Iron  (*)
Mackinawite  (*)Magnetite  (*)Malachite  (*)Maldonite  (*)Microcline  (*)
Molybdenite  (*)Muscovite  (*)Nickeline  (*)Pentlandite  (*)Pigeonite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rutile  (*)Scheelite  (*)
Schreibersite  (*)Siderite  (*)Smithsonite  (*)Sodalite  (*)Spinel  (*)
Spodumene  (*)Tenorite  (*)Tremolite  (*)Troilite  (*)Tungstite  (*)
Ulvöspinel  (*)Uraninite  (*)Xenotime-(Y)  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2250124831806233419
Albite  (*)FeldsparNa(AlSi3O8)250124831806238803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)225012483380623,80653,806563092
Anorthite  (*)FeldsparCa(Al2Si2O8)1806851036
Arsenopyrite  (*)ArsenopyriteFeAsS25012483480623,80639,80660,806639052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2380624,80638,806535509
Beryl  (*)BerylBe3Al2Si6O18480627,80673,80674,806774286
Bismuth  (*)ArsenicBi1806561966
Calcite  (*)CalciteCa(CO3)25012483580623,80624,80626,80632,8063827770
Chalcocite  (*)NoneCu2S1806565707
Chalcopyrite  (*)ChalcopyriteCuFeS2250124831180621,80623,80636,80639,80642,80643,80644,80653,80656,80660,8066327198
Chromite  (*)SpinelFe2+Cr2O4280618,806853902
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O280636,806533531
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)4180679951
Clinosafflorite  (*)LöllingiteCoAs22501248318062321
Cobaltite  (*)CobaltiteCoAsS25012483180623966
Copper  (*)CopperCu1806363846
Cubanite  (*)Cubanite WurtziteCuFe2S325012483180623802
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)225012483180623327
Cuprite  (*)Not in a structural groupCu2O1806472970
Diaphorite  (*)NoneAg3Pb2Sb3S8180679126
Fayalite  (*)OlivineFe2+2(SiO4)180685371
Galena  (*)RocksaltPbS18062124243
Gold  (*)CopperAu25012483580623,80652,80660,80672,8068630554
Graphite  (*)NoneC25012483280623,806602812
Grunerite  (*)Amphibole   Fe2+2Fe2+5Si8O22(OH)225012483180623223
Hedenbergite  (*)PyroxeneCaFe2+Si2O6180685741
Hematite  (*)CorundumFe2O3880624,80625,80637,80638,80642,80648,80653,8065714640
Ilmenite  (*)CorundumFe2+Ti4+O3280651,806855433
Iron  (*)IronFe1806851089
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)25012483180623451
Magnetite  (*)SpinelFe2+Fe3+2O4250124831380623,80625,80626,80631,80632,80637,80639,80641,80642,80647,80649,80657,8066014899
Malachite  (*)MalachiteCu2(CO3)(OH)2250124831880616,80623,80624,80626,80629,80636,80638,80640,80641,80642,80644,80645,80647,80648,80649,80653,80656,8066112537
Maldonite  (*)NoneAu2Bi2501248318062388
Microcline  (*)FeldsparK(AlSi3O8)380627,80674,806774924
Molybdenite  (*)MolybdeniteMoS21806395800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)218062717380
Nickeline  (*)NickelineNiAs25012483180623633
Pentlandite  (*)Pentlandite(Ni,Fe)9S8250124831806231512
Pigeonite  (*)Pyroxene(Mg,Fe,Ca)2Si2O6180685303
Pyrite  (*)PyriteFeS21280626,80631,80632,80641,80644,80653,80656,80660,80663,80667,80668,8066939462
Pyrrhotite  (*)NickelineFe7S825012483780623,80639,80641,80663,80667,80669,806869056
Quartz  (*)QuartzSiO2250124832080619,80620,80621,80623,80624,80627,80638,80644,80652,80656,80657,80660,80662,80665,80666,80670,80674,80677,80679,8068661156
Rutile  (*)RutileTiO2280651,806855614
Scheelite  (*)ScheeliteCa(WO4)280639,806564894
Schreibersite  (*)None(Fe,Ni)3P180685374
Siderite  (*)CalciteFe(CO3)25012483580623,80624,80626,80632,806386417
Smithsonite  (*)CalciteZn(CO3)250124831806232473
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl180617444
Spinel  (*)SpinelMgAl2O41806851934
Spodumene  (*)PyroxeneLiAlSi2O6380673,80674,80677688
Tenorite  (*)NoneCuO1806531101
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21806312562
Troilite  (*)NoneFeS25012483280623,806851044
Tungstite  (*)TungstiteWO3·H2O180656118
Ulvöspinel  (*)SpinelFe2+2TiO4180685120
Uraninite  (*)FluoriteUO2250124831806232718
Xenotime-(Y)  (*)ZirconY(PO4)25012483180623939
Zircon  (*)ZirconZr(SiO4)1806515251


Locality Notes from all Ages at Locality:
Age IDLocality Notes
GSLSP297_53_main_stage_ageIOCG + Co BIF deposit


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
GSLSP297_53_main_stage_age250124832492±9 main stage of the hydrothermal IOCG mineralization      9786Akjoujt Mine (Guelb Moghrein Mine), Akjoujt (Akjout; Fort Repoux), Inchiri Region, MauritaniaGuelb Moghrein depositKolb et al. (2008)10.1144/SP297.4GSLSP297_53main stage of the hydrothermal IOCG mineralization

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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