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:
Kenticha Mine, Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia

Oldest recorded age at locality: 534.4
Youngest recorded age at locality: 523.6

mindat Locality ID: 21852
mindat URL: http://www.mindat.org/loc-21852.html

Tectonic Settings:

Total number of sublocalities beneath "Kenticha Mine, Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia": 0
Total number of bottom-level sublocalities: 0

Latitude: 5°31'0"N
Longitude: 39°2'0"E
Decimal Degree (lat, lon): 5.5166666666667,39.033333333333
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 B Be Ca Cs F Fe H K Li Mg Mn Na Nb O P S Si Sn Ta Ti Zr 

Elements from minerals reported directly at this locality: Al As B Be Ca Cs F Fe H K Li Mg Mn Na Nb O P S Si Sn Ta Ti Zr 

Structural Groups for minerals in this locality: 
AmphiboleAnalcimeArsenopyriteBerylClayColumbiteCorundumFeldsparGarnetKaolinite
MicaNoneOlivinePyritePyroxeneQuartzRutileSmectite-vermiculiteSpinelStaurolite
TalcTopazTourmalineZircon

35 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Amblygonite  (*)Arsenopyrite  (*)
Beryl  (*)Cassiterite  (*)Columbite-(Fe)  (*)Columbite-(Mn)  (*)Cordierite  (*)
Elbaite  (*)Holmquistite  (*)Ilmenite  (*)Ixiolite  (*)Kaolinite  (*)
Lithiophilite  (*)Magnetite  (*)Microcline  (*)Muscovite  (*)Phlogopite  (*)
Pollucite  (*)Pyrite  (*)Quartz  (*)Rutile  (*)Schorl  (*)
Spessartine  (*)Spodumene  (*)Staurolite  (*)Swinefordite  (*)Talc  (*)
Tantalite-(Mn)  (*)Topaz  (*)Tremolite  (*)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)2534.4523.603419
Albite  (*)FeldsparNa(AlSi3O8)534.4523.608803
Almandine  (*)GarnetFe2+3Al2(SiO4)3534.4523.602353
Amblygonite  (*)NoneLiAl(PO4)F534.4523.60244
Arsenopyrite  (*)ArsenopyriteFeAsS534.4523.609052
Beryl  (*)BerylBe3Al2Si6O18534.4523.604286
Cassiterite  (*)RutileSnO2534.4523.605171
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6534.4523.60518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O6534.4523.60289
Cordierite  (*)BerylMg2Al4Si5O18534.4523.601008
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)534.4523.60520
Holmquistite  (*)Amphibole   Li2(Mg3Al2)Si8O22(OH)2534.4523.6042
Ilmenite  (*)CorundumFe2+Ti4+O3534.4523.605433
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O2534.4523.60148
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4534.4523.605591
Lithiophilite  (*)OlivineLiMn2+(PO4)534.4523.60155
Magnetite  (*)SpinelFe2+Fe3+2O4534.4523.6014899
Microcline  (*)FeldsparK(AlSi3O8)534.4523.604924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2534.4523.6017380
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2534.4523.602273
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O534.4523.60140
Pyrite  (*)PyriteFeS2534.4523.6039462
Quartz  (*)QuartzSiO2534.4523.6061156
Rutile  (*)RutileTiO2534.4523.605614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)534.4523.602705
Spessartine  (*)GarnetMn2+3Al2(SiO4)3534.4523.601214
Spodumene  (*)PyroxeneLiAlSi2O6534.4523.60688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)534.4523.60978
Swinefordite  (*)Clay Smectite-vermiculiteCa0.2(Li,Al,Mg,Fe)3(Si,Al)4O10(OH,F)2·nH2O534.4523.605
Talc  (*)Clay TalcMg3Si4O10(OH)2534.4523.603337
Tantalite-(Mn)  (*)ColumbiteMn2+Ta2O6534.4523.60211
Topaz  (*)TopazAl2SiO4F2534.4523.601476
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2534.4523.602562
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8534.4523.6078
Zircon  (*)ZirconZr(SiO4)534.4523.605251


2 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)  YesTantalite-(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)  YesTantalite-(Mn) Ta, Nb207321Kenticha Pegmatite Field, Oromia Region (Oromiya Region), EthiopiaKentichaMelcher 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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