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Blue Mountains, Oregon, USAi
Regional Level Types
Blue MountainsMountain Range
OregonState
USACountry

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Key
06437720015213893536719.jpg
View of the Sumpter placer gold mining area, ca. 1950.

Deer Creek placer, Sumpter, Baker Co., Oregon, USA
07651590015213894485316.jpg
View of the Sumpter gold mining area, ca. 1910.

Golconda Mine, Baker Co., Oregon, USA
09337040015213887575930.jpg
View of the Sumpter placer gold mining area, ca. 1950.

Deer Creek placer, Sumpter, Baker Co., Oregon, USA
06805080015213856685696.jpg
View of the Sumpter gold mining area, ca. 1910.

Golconda Mine, Baker Co., Oregon, USA
06437720015213893536719.jpg
View of the Sumpter placer gold mining area, ca. 1950.

Deer Creek placer, Sumpter, Baker Co., Oregon, USA
07651590015213894485316.jpg
View of the Sumpter gold mining area, ca. 1910.

Golconda Mine, Baker Co., Oregon, USA
Latitude & Longitude:
43° North , 120° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~378km
Locality type:


A mountain range of eastern Oregon.

Select Mineral List Type

Standard Detailed Strunz Dana 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

33 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Anthophyllite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Arsenopyrite
Formula: FeAsS
Localities: Reported from at least 13 localities in this region.
Bornite
Formula: Cu5FeS4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 22 localities in this region.
'Chlorite Group'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Chromite
Formula: Fe2+Cr3+2O4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Cinnabar
Formula: HgS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Cobaltite
Formula: CoAsS
Reference: Dana 7:I:324.
Covellite
Formula: CuS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Dolomite
Formula: CaMg(CO3)2
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Galena
Formula: PbS
Glaucodot
Formula: (Co0.50Fe0.50)AsS
Reference: Dana 7:I:324.
Gold
Formula: Au
Localities: Reported from at least 9 localities in this region.
Hematite
Formula: Fe2O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Ilmenite
Formula: Fe2+TiO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Manganite
Formula: Mn3+O(OH)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Marcasite
Formula: FeS2
Localities: Reported from at least 13 localities in this region.
Molybdenite
Formula: MoS2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Petrified Wood'
Platinum
Formula: Pt
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Psilomelane'
Formula: Mn, O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrargyrite
Formula: Ag3SbS3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Localities: Reported from at least 36 localities in this region.
Pyrolusite
Formula: Mn4+O2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrrhotite
Formula: Fe7S8
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Quartz
Formula: SiO2
Localities: Reported from at least 35 localities in this region.
Roscoelite
Formula: K(V3+,Al)2(AlSi3O10)(OH)2
Sphalerite
Formula: ZnS
Stibnite
Formula: Sb2S3
Localities: Reported from at least 13 localities in this region.
Talc
Formula: Mg3Si4O10(OH)2
Tetrahedrite
Formula: Cu6Cu4(Fe2+,Zn)2Sb4S13
Localities: Reported from at least 13 localities in this region.
Zircon
Formula: Zr(SiO4)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Platinum1.AF.10Pt
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bornite2.BA.15Cu5FeS4
Chalcopyrite2.CB.10aCuFeS2
Cinnabar2.CD.15aHgS
Cobaltite2.EB.25CoAsS
Covellite2.CA.05aCuS
Galena2.CD.10PbS
Glaucodot2.EB.10c(Co0.50Fe0.50)AsS
Marcasite2.EB.10aFeS2
Molybdenite2.EA.30MoS2
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Tetrahedrite2.GB.05Cu6Cu4(Fe2+,Zn)2Sb4S13
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Manganite4.FD.15Mn3+O(OH)
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Anthophyllite9.DD.05☐{Mg2}{Mg5}(Si8O22)(OH)2
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Roscoelite9.EC.15K(V3+,Al)2(AlSi3O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Petrified Wood'-
'Psilomelane'-Mn, O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Platinum Group Metals and Alloys
Platinum1.2.1.1Pt
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Covellite2.8.12.1CuS
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Cobaltite2.12.3.1CoAsS
Glaucodot2.12.6.1(Co0.50Fe0.50)AsS
Marcasite2.12.2.1FeS2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6Cu4(Fe2+,Zn)2Sb4S13
ø = 3
Pyrargyrite3.4.1.2Ag3SbS3
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Manganite6.1.3.1Mn3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Anthophyllite66.1.2.1☐{Mg2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Roscoelite71.2.2a.4K(V3+,Al)2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Petrified Wood'-
'Psilomelane'-Mn, O

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H ManganiteMn3+O(OH)
H TalcMg3Si4O10(OH)2
H Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
H RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C DolomiteCaMg(CO3)2
C CalciteCaCO3
OOxygen
O QuartzSiO2
O IlmeniteFe2+TiO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O ZirconZr(SiO4)
O MagnetiteFe2+Fe23+O4
O DolomiteCaMg(CO3)2
O PyrolusiteMn4+O2
O ManganiteMn3+O(OH)
O PsilomelaneMn, O
O TalcMg3Si4O10(OH)2
O Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
O HematiteFe2O3
O CalciteCaCO3
O ChromiteFe2+Cr23+O4
O RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg TalcMg3Si4O10(OH)2
Mg Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si ZirconZr(SiO4)
Si TalcMg3Si4O10(OH)2
Si Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
Si RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S PyriteFeS2
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
S StibniteSb2S3
S MarcasiteFeS2
S GalenaPbS
S SphaleriteZnS
S BorniteCu5FeS4
S CovelliteCuS
S PyrrhotiteFe7S8
S MolybdeniteMoS2
S Glaucodot(Co0.50Fe0.50)AsS
S CobaltiteCoAsS
S CinnabarHgS
S PyrargyriteAg3SbS3
KPotassium
K RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca DolomiteCaMg(CO3)2
Ca CalciteCaCO3
TiTitanium
Ti IlmeniteFe2+TiO3
VVanadium
V RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn PyrolusiteMn4+O2
Mn ManganiteMn3+O(OH)
Mn PsilomelaneMn, O
FeIron
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
Fe MarcasiteFeS2
Fe BorniteCu5FeS4
Fe PyrrhotiteFe7S8
Fe IlmeniteFe2+TiO3
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe MagnetiteFe2+Fe23+O4
Fe Glaucodot(Co0.50Fe0.50)AsS
Fe HematiteFe2O3
Fe ChromiteFe2+Cr23+O4
CoCobalt
Co Glaucodot(Co0.50Fe0.50)AsS
Co CobaltiteCoAsS
CuCopper
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
Cu BorniteCu5FeS4
Cu CovelliteCuS
ZnZinc
Zn TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As Glaucodot(Co0.50Fe0.50)AsS
As CobaltiteCoAsS
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag PyrargyriteAg3SbS3
SbAntimony
Sb TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
Sb StibniteSb2S3
Sb PyrargyriteAg3SbS3
PtPlatinum
Pt PlatinumPt
AuGold
Au GoldAu
HgMercury
Hg CinnabarHgS
PbLead
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lindgren, Waldemar (1901), The Gold Belt of the Blue Mountains of Eastern Oregon, USGS Annual Report No. 22: 665.
Brooks, H.C. and others (1981), Map of the Geology and Gold Deposits of the Bopurne Quadrangle, Baker and Grant Counties, Oregon, Oregon Department of Geology and Mineral Industries map GMS-19.

Localities in this Region

Other Regions, Features and Areas that Intersect

North America PlateTectonic Plate
USA

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