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Granite Mining District, Grant County, Oregon, USAi
Regional Level Types
Granite Mining DistrictMining District
Grant CountyCounty
OregonState
USACountry

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PhotosMapsSearch
06994290017272077651247.jpg
Native Gold

Granite Mining District, Grant County, Oregon, USA
08377280017272077655505.jpg
Stellerite

Milwaukee Placers, Granite Mining District, Grant County, Oregon, USA
06994290017272077651247.jpg
Native Gold

Granite Mining District, Grant County, Oregon, USA
08377280017272077655505.jpg
Stellerite

Milwaukee Placers, Granite Mining District, Grant County, Oregon, USA
06994290017272077651247.jpg
Native Gold

Granite Mining District, Grant County, Oregon, USA
08377280017272077655505.jpg
Stellerite

Milwaukee Placers, Granite Mining District, Grant County, Oregon, USA
Type:
Mining District
Mindat Locality ID:
50161
Long-form identifier:
mindat:1:2:50161:8
GUID (UUID V4):
0


The Granite District lies on the upper reaches of the North Fork of the John Day River, 14 miles WNW Sumpter. Au, Ag.
Ref: Gold And Silver In Oregon, Howard C. Brooks,Len Ramp; 1968

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

19 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 7 localities in this region.
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 6 localities in this region.
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ 'Limonite'
ⓘ Marcasite
Formula: FeS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Native Silver
Formula: Ag
ⓘ Powellite
Formula: Ca(MoO4)
ⓘ Proustite
Formula: Ag3AsS3
ⓘ Pyrargyrite
Formula: Ag3SbS3
ⓘ Pyrite
Formula: FeS2
Localities: Reported from at least 16 localities in this region.
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 16 localities in this region.
ⓘ Sphalerite
Formula: ZnS
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Localities: Reported from at least 6 localities in this region.
ⓘ 'Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite'
Formula: (Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘProustite2.GA.05Ag3AsS3
ⓘPyrargyrite2.GA.05Ag3SbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘ'var. Silver-bearing Tetrahedrite'2.GB.05(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘPowellite7.GA.05Ca(MoO4)
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PowelliteCa(MoO4)
Oⓘ QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Garnet GroupX3Z2(SiO4)3
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ MarcasiteFeS2
Sⓘ ProustiteAg3AsS3
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ PowelliteCa(MoO4)
Caⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Cuⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
ZnZinc
Znⓘ SphaleriteZnS
Znⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ ProustiteAg3AsS3
MoMolybdenum
Moⓘ PowelliteCa(MoO4)
AgSilver
Agⓘ ProustiteAg3AsS3
Agⓘ PyrargyriteAg3SbS3
Agⓘ Native SilverAg
Agⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
SbAntimony
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sbⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ GalenaPbS

Localities in this Region

USA
USA

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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