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Bir Bir River, Yubdo District (Joubdo District; Youbdo District; Joubda District), Gimbi, West Welega Zone, Oromia Region, Ethiopiai
Regional Level Types
Bir Bir RiverRiver
Yubdo District (Joubdo District; Youbdo District; Joubda District)District
GimbiTown
West Welega ZoneZone
Oromia RegionRegion
EthiopiaCountry

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PhotosMapsSearch
08072080017272050963437.jpg
Alfe river - the left tributary of Bir-Bir river.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
02209800017272050973238.jpg
Washing of PGE-gold sands on Alfe river.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
08156210017272050973483.jpg
Bir-Bir river valley.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
08072080017272050963437.jpg
Alfe river - the left tributary of Bir-Bir river.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
02209800017272050973238.jpg
Washing of PGE-gold sands on Alfe river.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
08156210017272050973483.jpg
Bir-Bir river valley.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
08072080017272050963437.jpg
Alfe river - the left tributary of Bir-Bir river.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
02209800017272050973238.jpg
Washing of PGE-gold sands on Alfe river.

Bir Bir River, Yubdo District, Gimbi, West Welega Zone, Oromia Region, Ethiopia
Latitude & Longitude (WGS84):
8° North , 35° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N06E25
Type:
River
Köppen climate type:
Aw : Tropical savanna, wet
Mindat Locality ID:
99784
Long-form identifier:
mindat:1:2:99784:2
GUID (UUID V4):
0
Other/historical names associated with this locality:
Bir Bir Concessions; ኦሮምያ?


River with placers.
Also called Bir Bir Concessions.

Formerly in Wallaga (Welega; Wollega; Ouallega) Province.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

30 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

ⓘ Andrieslombaardite (TL)
Formula: RhSbS
Type Locality:
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Augite var. Ferroaugite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Bowieite
Formula: Rh2S3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Cubanite
Formula: CuFe2S3
ⓘ Cuprorhodsite
Formula: (Cu1+0.5Fe3+0.5)Rh3+2S4
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Erlichmanite
Formula: OsS2
ⓘ Ferronickelplatinum
Formula: Pt2FeNi
Description: Sponge-like crystalline aggregates up to 0.8 mm with composition (Pt1.72Ir0.22)1.94Fe1.05(Ni0.91Cu0.04)1.01. Iridian variety with about 6 mas.% Ir.
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ Genkinite
Formula: Pt4Sb3
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Hollingworthite
Formula: (Rh,Pt,Pd)AsS
ⓘ 'Hollingworthite-Irarsite Series'
Description: Inclusions of distorted octahedrons up to 10 mkm size within polyxene grains. It is interesting, that these minerals differ from usual hollingworthites from the same specimen by constant admixture of tellurium on level ~1 mas.%.
ⓘ Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
ⓘ Isoferroplatinum
Formula: Pt3Fe
ⓘ Kingstonite (TL)
Formula: Rh3S4
Type Locality:
ⓘ Laurite
Formula: RuS2
ⓘ Magnesiochromite
Formula: MgCr2O4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Chrommagnetite
Formula: Fe2+(Fe3+,Cr3+)2O4
Description: Octahedral crystals up to 1 mm with Cr2O3 contents about 2-3 mas.%.
ⓘ Native Gold
Formula: Au
ⓘ Native Osmium
Formula: (Os,Ir,Ru)
ⓘ Native Platinum ?
Formula: Pt
ⓘ Native Platinum var. Polyxene
Formula: (Pt,Fe,Cu,Ni,Pd,Rh)
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ Sperrylite
Formula: PtAs2
ⓘ Stibiopalladinite
Formula: Pd5Sb2
ⓘ Tetraferroplatinum
Formula: PtFe
ⓘ Tulameenite
Formula: Pt2CuFe
ⓘ Tulameenite var. Antimony-bearing Tulameenite
Formula: (Pt,Sb)2CuFe
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Osmium1.AF.05(Os,Ir,Ru)
ⓘNative Platinum ?1.AF.10Pt
ⓘvar. Polyxene1.AF.10(Pt,Fe,Cu,Ni,Pd,Rh)
ⓘIsoferroplatinum1.AG.35Pt3Fe
ⓘFerronickelplatinum1.AG.40Pt2FeNi
ⓘTetraferroplatinum1.AG.40PtFe
ⓘTulameenite1.AG.40Pt2CuFe
ⓘvar. Antimony-bearing Tulameenite1.AG.40(Pt,Sb)2CuFe
Group 2 - Sulphides and Sulfosalts
ⓘStibiopalladinite2.AC.20aPd5Sb2
ⓘGenkinite2.AC.35aPt4Sb3
ⓘBornite2.BA.15Cu5FeS4
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘCubanite2.CB.55aCuFe2S3
ⓘCuprorhodsite2.DA.05(Cu1+0.5Fe3+0.5)Rh3+2S4
ⓘKingstonite (TL)2.DA.25Rh3S4
ⓘBowieite2.DB.15Rh2S3
ⓘAndrieslombaardite (TL)2.EB.RhSbS
ⓘErlichmanite2.EB.05aOsS2
ⓘLaurite2.EB.05aRuS2
ⓘSperrylite2.EB.05aPtAs2
ⓘHollingworthite2.EB.25(Rh,Pt,Pd)AsS
ⓘIrarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnesiochromite4.BB.05MgCr2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Chrommagnetite4.BB.05Fe2+(Fe3+,Cr3+)2O4
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘZircon9.AD.30Zr(SiO4)
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘAugite
var. Ferroaugite		9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Unclassified
ⓘ'Hollingworthite-Irarsite Series'-

List of minerals for each chemical element

HHydrogen
Hⓘ GoethiteFe3+O(OH)
OOxygen
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ DiopsideCaMgSi2O6
Oⓘ ForsteriteMg2SiO4
Oⓘ GoethiteFe3+O(OH)
Oⓘ MagnesiochromiteMgCr2O4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ ZirconZr(SiO4)
Oⓘ Magnetite var. ChrommagnetiteFe2+(Fe3+,Cr3+)2O4
Oⓘ Augite var. Ferroaugite(CaxMgyFez)(Mgy1Fez1)Si2O6
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ MagnesiochromiteMgCr2O4
Mgⓘ Augite var. Ferroaugite(CaxMgyFez)(Mgy1Fez1)Si2O6
SiSilicon
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ DiopsideCaMgSi2O6
Siⓘ ForsteriteMg2SiO4
Siⓘ ZirconZr(SiO4)
Siⓘ Augite var. Ferroaugite(CaxMgyFez)(Mgy1Fez1)Si2O6
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ BowieiteRh2S3
Sⓘ ChalcopyriteCuFeS2
Sⓘ CubaniteCuFe2S3
Sⓘ Cuprorhodsite(Cu1+0.5Fe3+0.5)Rh23+S4
Sⓘ ErlichmaniteOsS2
Sⓘ Hollingworthite(Rh,Pt,Pd)AsS
Sⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Sⓘ LauriteRuS2
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ Hollingworthite-Irarsite Series
Sⓘ KingstoniteRh3S4
Sⓘ AndrieslombaarditeRhSbS
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ DiopsideCaMgSi2O6
Caⓘ Augite var. Ferroaugite(CaxMgyFez)(Mgy1Fez1)Si2O6
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ MagnesiochromiteMgCr2O4
Crⓘ Magnetite var. ChrommagnetiteFe2+(Fe3+,Cr3+)2O4
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ CubaniteCuFe2S3
Feⓘ Cuprorhodsite(Cu1+0.5Fe3+0.5)Rh23+S4
Feⓘ FerronickelplatinumPt2FeNi
Feⓘ GoethiteFe3+O(OH)
Feⓘ IsoferroplatinumPt3Fe
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ TetraferroplatinumPtFe
Feⓘ TulameenitePt2CuFe
Feⓘ Native Platinum var. Polyxene(Pt,Fe,Cu,Ni,Pd,Rh)
Feⓘ Magnetite var. ChrommagnetiteFe2+(Fe3+,Cr3+)2O4
Feⓘ Augite var. Ferroaugite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ Tulameenite var. Antimony-bearing Tulameenite(Pt,Sb)2CuFe
NiNickel
Niⓘ FerronickelplatinumPt2FeNi
Niⓘ Pentlandite(NixFey)Σ9S8
Niⓘ Native Platinum var. Polyxene(Pt,Fe,Cu,Ni,Pd,Rh)
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CubaniteCuFe2S3
Cuⓘ Cuprorhodsite(Cu1+0.5Fe3+0.5)Rh23+S4
Cuⓘ TulameenitePt2CuFe
Cuⓘ Native Platinum var. Polyxene(Pt,Fe,Cu,Ni,Pd,Rh)
Cuⓘ Tulameenite var. Antimony-bearing Tulameenite(Pt,Sb)2CuFe
AsArsenic
Asⓘ Hollingworthite(Rh,Pt,Pd)AsS
Asⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Asⓘ SperrylitePtAs2
Asⓘ Hollingworthite-Irarsite Series
ZrZirconium
Zrⓘ ZirconZr(SiO4)
RuRuthenium
Ruⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ruⓘ LauriteRuS2
Ruⓘ Native Osmium(Os,Ir,Ru)
Ruⓘ Hollingworthite-Irarsite Series
RhRhodium
Rhⓘ BowieiteRh2S3
Rhⓘ Cuprorhodsite(Cu1+0.5Fe3+0.5)Rh23+S4
Rhⓘ Hollingworthite(Rh,Pt,Pd)AsS
Rhⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Rhⓘ Native Platinum var. Polyxene(Pt,Fe,Cu,Ni,Pd,Rh)
Rhⓘ Hollingworthite-Irarsite Series
Rhⓘ KingstoniteRh3S4
Rhⓘ AndrieslombaarditeRhSbS
PdPalladium
Pdⓘ Hollingworthite(Rh,Pt,Pd)AsS
Pdⓘ StibiopalladinitePd5Sb2
Pdⓘ Native Platinum var. Polyxene(Pt,Fe,Cu,Ni,Pd,Rh)
Pdⓘ Hollingworthite-Irarsite Series
SbAntimony
Sbⓘ GenkinitePt4Sb3
Sbⓘ StibiopalladinitePd5Sb2
Sbⓘ Tulameenite var. Antimony-bearing Tulameenite(Pt,Sb)2CuFe
Sbⓘ AndrieslombaarditeRhSbS
OsOsmium
Osⓘ ErlichmaniteOsS2
Osⓘ Native Osmium(Os,Ir,Ru)
IrIridium
Irⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Irⓘ Native Osmium(Os,Ir,Ru)
Irⓘ Hollingworthite-Irarsite Series
PtPlatinum
Ptⓘ FerronickelplatinumPt2FeNi
Ptⓘ GenkinitePt4Sb3
Ptⓘ Hollingworthite(Rh,Pt,Pd)AsS
Ptⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ptⓘ IsoferroplatinumPt3Fe
Ptⓘ Native PlatinumPt
Ptⓘ SperrylitePtAs2
Ptⓘ TetraferroplatinumPtFe
Ptⓘ TulameenitePt2CuFe
Ptⓘ Native Platinum var. Polyxene(Pt,Fe,Cu,Ni,Pd,Rh)
Ptⓘ Hollingworthite-Irarsite Series
Ptⓘ Tulameenite var. Antimony-bearing Tulameenite(Pt,Sb)2CuFe
AuGold
Auⓘ Native GoldAu

Localities in this Region

Ethiopia
  • Oromia Region
    • West Welega Zone
      • Gimbi
        • Yubdo District (Joubdo District; Youbdo District; Joubda District)

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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