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Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopiai
Regional Level Types
Tumet riverRiver
Asosa ZoneZone
Benishangul-Gumuz RegionRegion
EthiopiaCountry

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PhotosMapsSearch
08210400017272053872330.jpg
Waterfall on Tumet river

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
01664370017272053881932.jpg
Waterfall on Tumet river.

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
08777330017272053886936.jpg
Basalt quarry on Tumet river.

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
08210400017272053872330.jpg
Waterfall on Tumet river

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
01664370017272053881932.jpg
Waterfall on Tumet river.

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
08777330017272053886936.jpg
Basalt quarry on Tumet river.

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
08210400017272053872330.jpg
Waterfall on Tumet river

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
07857570017272053892810.jpg
Waterfall on Tumet river.

Tumet river, Asosa Zone, Benishangul-Gumuz Region, Ethiopia
Latitude & Longitude:
10° North , 34° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~109km
GRN:
N07E24
Type:
River
Mindat Locality ID:
106368
Long-form identifier:
mindat:1:2:106368:7
GUID (UUID V4):
0


Small river crosscut next to a sequence of rocks (from W to E): basalts, granites, aluminous mica shists, hyperbasites, mica shists, basalts. River located between two villages Qurah on South and Agoda on North in western Welega province. Citizens of these villages exploring some gold placers along the middle part of this river.

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

From 10 g of gold concentrate from Tumet I selected 9 grains of PGM minerals. Most of them belonged to the Os-Ir-Ru ternary system - native iridium, osmium and ruthenium according to current nomenclature. Only two grains had contained Pt minerals with minor inclusions of isoferroplatinum and sperrylite. Also one grain of irarsite was identified. In the local gold market in the village of Qurah I saw about 15 g gold concentrate that contained about two dozen mirror bright hexagonal crystals of Os-Ir-Ru minerals up to 1-1.5 mm in association with some bright-green chrome silicates. The source of PGM minerals in the placers of the Tumet river is a serpentinitized dunite body which has a significant chromite content.
Pavel Kartashov (2009)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


43 valid minerals.

Detailed Mineral List:

ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Annabergite
Formula: Ni3(AsO4)2 · 8H2O
ⓘ Bismuthinite
Formula: Bi2S3
ⓘ Bismutite
Formula: (BiO)2CO3
ⓘ Brucite
Formula: Mg(OH)2
ⓘ Cassiterite
Formula: SnO2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Chromium-bearing Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
ⓘ Cobaltite
Formula: CoAsS
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Euxenite-(Y)
Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ⓘ Gahnite
Formula: ZnAl2O4
ⓘ Hematite
Formula: Fe2O3
ⓘ Hercynite
Formula: Fe2+Al2O4
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
ⓘ Kyanite
Formula: Al2(SiO4)O
ⓘ Laurite
Formula: RuS2
✪ Magnesiochromite
Formula: MgCr2O4
ⓘ Magnesite
Formula: MgCO3
ⓘ Magnesite var. Iron-bearing Magnesite
Formula: (Mg,Fe)CO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Chrommagnetite
Formula: Fe2+(Fe3+,Cr3+)2O4
ⓘ Magnetite var. Ishkulite
Formula: Fe2+(Fe3+,Cr3+)2O4
ⓘ Millerite
Formula: NiS
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Native Iridium
Formula: (Ir,Os,Ru)
ⓘ Native Lead
Formula: Pb
ⓘ Native Osmium
Formula: (Os,Ir,Ru)
ⓘ Native Osmium var. Iridosmine
Formula: (Os,Ir)
ⓘ Native Ruthenium
Formula: (Ru,Ir)
ⓘ Phillipsite-Ca
Formula: Ca3(Si10Al6)O32 · 12H2O
ⓘ Polydymite
Formula: Ni2+Ni3+2S4
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ Quartz
Formula: SiO2
ⓘ Rutheniridosmine
Formula: (Ir,Os,Ru)
ⓘ Rutile
Formula: TiO2
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Sperrylite
Formula: PtAs2
ⓘ Sphalerite
Formula: ZnS
ⓘ Staurolite
Formula: Fe2+2Al9Si4O23(OH)
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Uvarovite
Formula: Ca3Cr2(SiO4)3
ⓘ Violarite
Formula: Fe2+Ni3+2S4
ⓘ Zircon
Formula: Zr(SiO4)
ⓘ Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Lead1.AA.05Pb
ⓘNative Osmium1.AF.05(Os,Ir,Ru)
ⓘRutheniridosmine1.AF.05(Ir,Os,Ru)
ⓘNative Ruthenium1.AF.05(Ru,Ir)
ⓘNative Osmium
var. Iridosmine		1.AF.05(Os,Ir)
ⓘNative Iridium1.AF.10(Ir,Os,Ru)
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMillerite2.CC.20NiS
ⓘPolydymite2.DA.05Ni2+Ni3+2S4
ⓘViolarite2.DA.05Fe2+Ni3+2S4
ⓘBismuthinite2.DB.05Bi2S3
ⓘLaurite2.EB.05aRuS2
ⓘPyrite2.EB.05aFeS2
ⓘSperrylite2.EB.05aPtAs2
ⓘCobaltite2.EB.25CoAsS
ⓘIrarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘGahnite4.BB.05ZnAl2O4
ⓘHercynite4.BB.05Fe2+Al2O4
ⓘMagnesiochromite4.BB.05MgCr2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Ishkulite4.BB.05Fe2+(Fe3+,Cr3+)2O4
ⓘvar. Chrommagnetite4.BB.05Fe2+(Fe3+,Cr3+)2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘRutile4.DB.05TiO2
ⓘEuxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ⓘBrucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
ⓘMagnesite
var. Iron-bearing Magnesite		5.AB.05(Mg,Fe)CO3
ⓘ5.AB.05MgCO3
ⓘBismutite5.BE.25(BiO)2CO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘAnnabergite8.CE.40Ni3(AsO4)2 · 8H2O
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘUvarovite9.AD.25Ca3Cr2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘvar. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘStaurolite9.AF.30Fe2+2Al9Si4O23(OH)
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘvar. Chromium-bearing Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
ⓘPhillipsite-Ca9.GC.10Ca3(Si10Al6)O32 · 12H2O

List of minerals for each chemical element

HHydrogen
Hⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Hⓘ BruciteMg(OH)2
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ StauroliteFe22+Al9Si4O23(OH)
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
Hⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cⓘ Bismutite(BiO)2CO3
Cⓘ Magnesite var. Iron-bearing Magnesite(Mg,Fe)CO3
Cⓘ MagnesiteMgCO3
OOxygen
Oⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ Bismutite(BiO)2CO3
Oⓘ Magnesite var. Iron-bearing Magnesite(Mg,Fe)CO3
Oⓘ BruciteMg(OH)2
Oⓘ CassiteriteSnO2
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Oⓘ GahniteZnAl2O4
Oⓘ HematiteFe2O3
Oⓘ HercyniteFe2+Al2O4
Oⓘ IlmeniteFe2+TiO3
Oⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Oⓘ KyaniteAl2(SiO4)O
Oⓘ MagnesiteMgCO3
Oⓘ MagnesiochromiteMgCr2O4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ StauroliteFe22+Al9Si4O23(OH)
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ UvaroviteCa3Cr2(SiO4)3
Oⓘ ZirconZr(SiO4)
Oⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
Oⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Oⓘ Magnetite var. IshkuliteFe2+(Fe3+,Cr3+)2O4
Oⓘ Magnetite var. ChrommagnetiteFe2+(Fe3+,Cr3+)2O4
NaSodium
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgⓘ Magnesite var. Iron-bearing Magnesite(Mg,Fe)CO3
Mgⓘ BruciteMg(OH)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mgⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Mgⓘ MagnesiteMgCO3
Mgⓘ MagnesiochromiteMgCr2O4
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ GahniteZnAl2O4
Alⓘ HercyniteFe2+Al2O4
Alⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Alⓘ KyaniteAl2(SiO4)O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ StauroliteFe22+Al9Si4O23(OH)
Alⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
SiSilicon
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Siⓘ KyaniteAl2(SiO4)O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ StauroliteFe22+Al9Si4O23(OH)
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ UvaroviteCa3Cr2(SiO4)3
Siⓘ ZirconZr(SiO4)
Siⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
Siⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
SSulfur
Sⓘ BismuthiniteBi2S3
Sⓘ ChalcopyriteCuFeS2
Sⓘ CobaltiteCoAsS
Sⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Sⓘ LauriteRuS2
Sⓘ MilleriteNiS
Sⓘ PolydymiteNi2+Ni23+S4
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ ViolariteFe2+Ni23+S4
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Caⓘ UvaroviteCa3Cr2(SiO4)3
Caⓘ Phillipsite-CaCa3(Si10Al6)O32 · 12H2O
TiTitanium
Tiⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Crⓘ MagnesiochromiteMgCr2O4
Crⓘ UvaroviteCa3Cr2(SiO4)3
Crⓘ Magnetite var. IshkuliteFe2+(Fe3+,Cr3+)2O4
Crⓘ Magnetite var. ChrommagnetiteFe2+(Fe3+,Cr3+)2O4
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ Magnesite var. Iron-bearing Magnesite(Mg,Fe)CO3
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ HematiteFe2O3
Feⓘ HercyniteFe2+Al2O4
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ StauroliteFe22+Al9Si4O23(OH)
Feⓘ ViolariteFe2+Ni23+S4
Feⓘ Magnetite var. IshkuliteFe2+(Fe3+,Cr3+)2O4
Feⓘ Magnetite var. ChrommagnetiteFe2+(Fe3+,Cr3+)2O4
CoCobalt
Coⓘ CobaltiteCoAsS
NiNickel
Niⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Niⓘ MilleriteNiS
Niⓘ PolydymiteNi2+Ni23+S4
Niⓘ ViolariteFe2+Ni23+S4
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ GahniteZnAl2O4
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ AnnabergiteNi3(AsO4)2 · 8H2O
Asⓘ CobaltiteCoAsS
Asⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Asⓘ SperrylitePtAs2
YYttrium
Yⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ZrZirconium
Zrⓘ ZirconZr(SiO4)
Zrⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
NbNiobium
Nbⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
RuRuthenium
Ruⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ruⓘ Native Iridium(Ir,Os,Ru)
Ruⓘ LauriteRuS2
Ruⓘ Native Osmium(Os,Ir,Ru)
Ruⓘ Rutheniridosmine(Ir,Os,Ru)
Ruⓘ Native Ruthenium(Ru,Ir)
RhRhodium
Rhⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
SnTin
Snⓘ CassiteriteSnO2
CeCerium
Ceⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Taⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
OsOsmium
Osⓘ Native Iridium(Ir,Os,Ru)
Osⓘ Native Osmium(Os,Ir,Ru)
Osⓘ Rutheniridosmine(Ir,Os,Ru)
Osⓘ Native Osmium var. Iridosmine(Os,Ir)
IrIridium
Irⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Irⓘ Native Iridium(Ir,Os,Ru)
Irⓘ Native Osmium(Os,Ir,Ru)
Irⓘ Rutheniridosmine(Ir,Os,Ru)
Irⓘ Native Ruthenium(Ru,Ir)
Irⓘ Native Osmium var. Iridosmine(Os,Ir)
PtPlatinum
Ptⓘ Irarsite(Ir,Ru,Rh,Pt)AsS
Ptⓘ SperrylitePtAs2
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ Native LeadPb
BiBismuth
Biⓘ BismuthiniteBi2S3
Biⓘ Bismutite(BiO)2CO3
ThThorium
Thⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
Uⓘ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate
Arabian Plate

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