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 Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia

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

mindat Locality ID: 207321
mindat URL: http://www.mindat.org/loc-207321.html

Tectonic Settings:

Total number of sublocalities beneath "Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Bupo I Dyke (Bupo Pegmatite)
Dermidama Dyke
Kenticha Mine
Kilkele I Dyke
Shuni Hill

Latitude: 5°32'30"N
Longitude: 39°1'58"E
Decimal Degree (lat, lon): 5.5416666666667,39.032777777778
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: 

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)2534.4523.61495203419
Albite  (*)FeldsparNa(AlSi3O8)536.4523.6249518,495208803
Almandine  (*)GarnetFe2+3Al2(SiO4)3534.4523.61495202353
Amblygonite  (*)NoneLiAl(PO4)F534.4523.6149520244
Arsenopyrite  (*)ArsenopyriteFeAsS534.4523.61495209052
Beryl  (*)BerylBe3Al2Si6O18534.4523.6349519,49520,495214286
Cassiterite  (*)RutileSnO2534.4523.61495205171
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6534.4523.6149520518
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O6534.4523.6149520289
Cordierite  (*)BerylMg2Al4Si5O18534.4523.61495201008
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)534.4523.6149520520
Holmquistite  (*)Amphibole   Li2(Mg3Al2)Si8O22(OH)2534.4523.614952042
Ilmenite  (*)CorundumFe2+Ti4+O3534.4523.61495205433
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O2534.4523.6149520148
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4534.4523.61495205591
Lithiophilite  (*)OlivineLiMn2+(PO4)534.4523.6149520155
Magnetite  (*)SpinelFe2+Fe3+2O4534.4523.614952014899
Microcline  (*)FeldsparK(AlSi3O8)534.4523.61495204924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2534.4523.614952017380
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2534.4523.61495202273
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O534.4523.6149520140
Pyrite  (*)PyriteFeS2534.4523.614952039462
Quartz  (*)QuartzSiO2534.4523.614952061156
Rutile  (*)RutileTiO2534.4523.61495205614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)534.4523.61495202705
Spessartine  (*)GarnetMn2+3Al2(SiO4)3534.4523.61495201214
Spodumene  (*)PyroxeneLiAlSi2O6536.4523.6249518,49520688
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)534.4523.6149520978
Swinefordite  (*)Clay Smectite-vermiculiteCa0.2(Li,Al,Mg,Fe)3(Si,Al)4O10(OH,F)2·nH2O534.4523.61495205
Talc  (*)Clay TalcMg3Si4O10(OH)2534.4523.61495203337
Tantalite-(Mn)  (*)ColumbiteMn2+Ta2O6536.4523.6249518,49520211
Topaz  (*)TopazAl2SiO4F2534.4523.61495201476
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2534.4523.61495202562
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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