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:
Oromia Region (Oromiya Region), Ethiopia

Oldest recorded age at locality: 536.4
Youngest recorded age at locality: 523.6

mindat Locality ID: 22882
mindat URL: http://www.mindat.org/loc-22882.html

Tectonic Settings:

Total number of sublocalities beneath "Oromia Region (Oromiya Region), Ethiopia": 40
Total number of bottom-level sublocalities: 28

Number of Child Localities: 19
Child Localities:
Adola Belt (Adola Gold Field)
Gariboro
Gimbi
Hawasa
Katawicha Region
Katta District
Kenticha Hill Chromititites
Kenticha Pegmatite Field
Lake Langano
Lake Shala (Lake Shalla)
Lake Zway (Lake Ziway; Lake Zwai)
Megado
Metehara
Nedjo (Nejo)
Nekemte
Semien Shewa
Shakiso
Shashamane
West Welega

Latitude: 7°25'19"N
Longitude: 37°56'20"E
Decimal Degree (lat, lon): 7.4219444444444,37.938888888889
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 B Be Bi C Ca Cl Cr Cs Cu F Fe H Ir K Li Mg Mn Mo Na Nb Ni O Os P Pb Pd Pt Rh Ru S Sb Se Si Sn Ta Te Ti Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleAnalcimeArsenopyriteAuricuprideBerylBournoniteBowieiteCalciteChalcopyrite
ClayClinozoisiteColumbiteCopperCorundumCubaniteDiasporeEpidoteFeldsparGarnet
KaoliniteKingstoniteMicaMolybdeniteNickelineNoneNot in a structural groupOlivinePentlanditePerovskite
PotaritePyritePyroxeneQuartzRocksaltRutileSerpentineSmectite-vermiculiteSphaleriteSpinel
StauroliteTalcTetradymiteTetrahedriteTopazTourmalineUllmanniteWurtziteZircon

101 IMA Minerals at location:
Actinolite  (*)Aegirine  (*)Albite  (*)Almandine  (*)Amblygonite  (*)
Anatase  (*)Andradite  (*)Anthophyllite  (*)Antigorite  (*)Argentopentlandite  (*)
Arsenopyrite  (*)Augite  (*)Awaruite  (*)Beryl  (*)Bornite  (*)
Bournonite  (*)Bowieite  (*)Calcite  (*)Cassiterite  (*)Chalcopyrite  (*)
Chromite  (*)Chrysotile  (*)Columbite-(Fe)  (*)Columbite-(Mn)  (*)Cordierite  (*)
Cubanite  (*)Cuprorhodsite  (*)Diopside  (*)Elbaite  (*)Epidote  (*)
Erlichmanite  (*)Fayalite  (*)Ferronickelplatinum  (*)Forsterite  (*)Galena  (*)
Genkinite  (*)Goethite  (*)Gold  (*)Graphite  (*)Halite  (*)
Hedenbergite  (*)Hematite  (*)Hessite  (*)Hollingworthite  (*)Holmquistite  (*)
Ilmenite  (*)Irarsite  (*)Isoferroplatinum  (*)Ixiolite  (*)Kaolinite  (*)
Kingstonite  (*)Kogarkoite  (*)Kyanite  (*)Laitakarite  (*)Laurite  (*)
Lithiophilite  (*)Lizardite  (*)Magnesio-hornblende  (*)Magnesiochromite  (*)Magnesite  (*)
Magnetite  (*)Microcline  (*)Molybdenite  (*)Muscovite  (*)Natron  (*)
Nickeline  (*)Opal  (*)Osmium  (*)Gersdorffite-Pa3  (*)Pentlandite  (*)
Petzite  (*)Phlogopite  (*)Platinum  (*)Pollucite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Rutile  (*)Sanidine  (*)Schorl  (*)
Silver  (*)Sperrylite  (*)Spessartine  (*)Sphalerite  (*)Spodumene  (*)
Staurolite  (*)Stibiopalladinite  (*)Stumpflite  (*)Stützite  (*)Swinefordite  (*)
Talc  (*)Tantalite-(Mn)  (*)Tetraferroplatinum  (*)Tetrahedrite-(Zn)  (*)Topaz  (*)
Tremolite  (*)Trona  (*)Tulameenite  (*)Violarite  (*)Wodginite  (*)
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)2534.4523.6449505,49507,49520,495273419
Aegirine  (*)PyroxeneNaFe3+Si2O6249525,495301022
Albite  (*)FeldsparNa(AlSi3O8)536.4523.6349518,49520,495398803
Almandine  (*)GarnetFe2+3Al2(SiO4)3534.4523.61495202353
Amblygonite  (*)NoneLiAl(PO4)F534.4523.6149520244
Anatase  (*)Not in a structural groupTiO21495232162
Andradite  (*)GarnetCa3Fe3+2(SiO4)31495301534
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)2149508718
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)4149508708
Argentopentlandite  (*)PentlanditeAg(Fe,Ni)8S814952767
Arsenopyrite  (*)ArsenopyriteFeAsS534.4523.6349520,49527,495399052
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O61495102060
Awaruite  (*)Auricupride PerovskiteNi3Fe149516166
Beryl  (*)BerylBe3Al2Si6O18534.4523.6449519,49520,49521,495354286
Bornite  (*)NoneCu5FeS4349508,49510,495395516
Bournonite  (*)BournoniteCuPbSbS31495271089
Bowieite  (*)BowieiteRh2S314950933
Calcite  (*)CalciteCa(CO3)349507,49527,4953727770
Cassiterite  (*)RutileSnO2534.4523.61495205171
Chalcopyrite  (*)ChalcopyriteCuFeS2749507,49508,49510,49515,49516,49527,4953927198
Chromite  (*)SpinelFe2+Cr2O4449508,49510,49513,495163902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)4149508951
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6534.4523.6149520518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O6534.4523.6149520289
Cordierite  (*)BerylMg2Al4Si5O18534.4523.61495201008
Cubanite  (*)Cubanite WurtziteCuFe2S3249508,49510802
Cuprorhodsite  (*)Spinel(Cu1+0.5Fe3+0.5)Rh3+2S414950934
Diopside  (*)PyroxeneCaMgSi2O6249508,495104135
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)534.4523.6149520520
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)249527,495398173
Erlichmanite  (*)PyriteOsS2249508,49510110
Fayalite  (*)OlivineFe2+2(SiO4)149530371
Ferronickelplatinum  (*)PotaritePt2FeNi14950913
Forsterite  (*)OlivineMg2(SiO4)349508,49510,495281188
Galena  (*)RocksaltPbS349508,49527,4953924243
Genkinite  (*)NonePt4Sb3249508,4951012
Goethite  (*)DiasporeFeO(OH)1495087437
Gold  (*)CopperAu1049500,49501,49502,49508,49509,49510,49513,49515,49527,4953930554
Graphite  (*)NoneC1495272812
Halite  (*)RocksaltNaCl1495241398
Hedenbergite  (*)PyroxeneCaFe2+Si2O6149530741
Hematite  (*)CorundumFe2O3349508,49516,4953014640
Hessite  (*)NoneAg2Te149527804
Hollingworthite  (*)UllmanniteRhAsS349508,49509,49510119
Holmquistite  (*)Amphibole   Li2(Mg3Al2)Si8O22(OH)2534.4523.614952042
Ilmenite  (*)CorundumFe2+Ti4+O3534.4523.6549507,49508,49516,49520,495305433
Irarsite  (*)PyriteIrAsS249508,49510154
Isoferroplatinum  (*)Auricupride PerovskitePt3Fe349508,49509,49510128
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O2534.4523.6149520148
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4534.4523.6249504,495205591
Kingstonite  (*)KingstoniteRh3S41495094
Kogarkoite  (*)NoneNa3(SO4)F14951214
Kyanite  (*)Not in a structural groupAl2OSiO4349500,49504,495271507
Laitakarite  (*)TetradymiteBi4(Se,S)314952730
Laurite  (*)PyriteRuS2349508,49509,49510226
Lithiophilite  (*)OlivineLiMn2+(PO4)534.4523.6149520155
Lizardite  (*)Serpentine ClayMg3Si2O5(OH)4149508359
Magnesio-hornblende  (*)Amphibole   Ca2(Mg4Al)(Si7Al)O22(OH)2149508238
Magnesiochromite  (*)SpinelMgCr2O4149505311
Magnesite  (*)CalciteMg(CO3)1495081487
Magnetite  (*)SpinelFe2+Fe3+2O4534.4523.6849507,49508,49509,49510,49515,49516,49520,4952314899
Microcline  (*)FeldsparK(AlSi3O8)534.4523.61495204924
Molybdenite  (*)MolybdeniteMoS21495275800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2534.4523.6649507,49514,49515,49520,49527,4953917380
Natron  (*)NoneNa2(CO3)·10H2O14952451
Nickeline  (*)NickelineNiAs149527633
Opal  (*)AmorphousSiO2·nH2O249512,495242994
Osmium  (*)NoneOs349508,49509,49510169
Gersdorffite-Pa3  (*)PyriteNiAsS149527767
Pentlandite  (*)Pentlandite(Ni,Fe)9S8449508,49510,49516,495271512
Petzite  (*)NoneAg3AuTe2149527409
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2534.4523.61495202273
Platinum  (*)CopperPt149508485
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O534.4523.6149520140
Pyrite  (*)PyriteFeS2534.4523.6549507,49515,49520,49527,4953939462
Pyrrhotite  (*)NickelineFe7S8249515,495279056
Quartz  (*)QuartzSiO2534.4523.61149501,49504,49507,49508,49513,49514,49515,49520,49527,49532,4953961156
Rutile  (*)RutileTiO2534.4523.61495205614
Sanidine  (*)FeldsparK(AlSi3O8)249523,49537598
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)534.4523.61495202705
Silver  (*)CopperAg1495395186
Sperrylite  (*)PyritePtAs2249508,49509337
Spessartine  (*)GarnetMn2+3Al2(SiO4)3534.4523.6249508,495201214
Sphalerite  (*)SphaleriteZnS349515,49527,4953921482
Spodumene  (*)PyroxeneLiAlSi2O6536.4523.6349514,49518,49520688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)534.4523.6149520978
Stibiopalladinite  (*)NonePd5Sb2249508,4951075
Stumpflite  (*)NickelinePtSb1495087
Stützite  (*)NoneAg5-xTe3 (x = 0.24-0.36)14952792
Swinefordite  (*)Clay Smectite-vermiculiteCa0.2(Li,Al,Mg,Fe)3(Si,Al)4O10(OH,F)2·nH2O534.4523.61495205
Talc  (*)Clay TalcMg3Si4O10(OH)2534.4523.6549500,49501,49503,49513,495203337
Tantalite-(Mn)  (*)ColumbiteMn2+Ta2O6536.4523.6249518,49520211
Tetraferroplatinum  (*)PotaritePtFe349508,49509,4951066
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S131495275317
Topaz  (*)TopazAl2SiO4F2534.4523.61495201476
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2534.4523.6549507,49508,49513,49520,495272562
Trona  (*)NoneNa3(HCO3)(CO3)·2H2O149512129
Tulameenite  (*)PotaritePt2CuFe349508,49509,4951048
Violarite  (*)SpinelFeNi2S4149527380
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8534.4523.614952078
Zircon  (*)ZirconZr(SiO4)534.4523.61495205251


4 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
Alexandra-0205534.4523.6529 ± 5.4U-PbAge of Nb-Ta mineralizationtantalite-(mn)   Tantalite-(Mn) Ta, Nb207321Kenticha Pegmatite Field, Oromia Region (Oromiya Region), EthiopiaKentichaMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 
Alexandra-0206532.3527.7530 ± 2.3U-PbAge of Nb-Ta mineralizationtantalite-(mn)   Tantalite-(Mn) Ta, Nb207321Kenticha Pegmatite Field, Oromia Region (Oromiya Region), EthiopiaKentichaMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 
Alexandra-0252533.3525.1529.2±4.1U-PbAge of Nb-Ta mineralizationtantalite-(mn)   Tantalite-(Mn) Ta, Nb207325Bupo I Dyke (Bupo Pegmatite), Kenticha Pegmatite Field, Oromia Region (Oromiya Region), EthiopiaBupoMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 
Alexandra-0253536.4523.6530±6.4U-PbAge of Nb-Ta mineralizationtantalite-(mn)   Tantalite-(Mn) Ta, Nb207325Bupo I Dyke (Bupo Pegmatite), Kenticha Pegmatite Field, Oromia Region (Oromiya Region), EthiopiaBupoMelcher et al. (2015)10.1016/j.oregeorev.2013.09.003OGR64_667 

SampleSource LocalityReference URL
R050054Kenticha Mine, Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopiahttps://rruff.info/R050054

All locality data graciously provided by mindat.org

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