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Cracker Creek Mining District, Oregon, USAi
Regional Level Types
Cracker Creek Mining DistrictMining District
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
Latitude & Longitude:
43° North , 120° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~378km
Locality type:
Other/historical names associated with this locality:
Bourne Mining District; McCully Mining District; Sumpter Mining District


A former Au-Ag mining district. It encompasses the area drained by Cracker Creek and McCully Fork, headwaters of the Powder River N of Sumpter.

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

22 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 16 localities in this region.
Calcite
Formula: CaCO3
Localities: Reported from at least 7 localities in this region.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 19 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
Cobaltite
Formula: CoAsS
Reference: Dana 7:I:324.
Galena
Formula: PbS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Glaucodot
Formula: (Co0.50Fe0.50)AsS
Reference: Dana 7:I:324.
Gold
Formula: Au
Hematite
Formula: Fe2O3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Marcasite
Formula: FeS2
Localities: Reported from at least 17 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.
Pyrargyrite
Formula: Ag3SbS3
Pyrite
Formula: FeS2
Localities: Reported from at least 41 localities in this region.
Quartz
Formula: SiO2
Localities: Reported from at least 40 localities in this region.
Roscoelite
Formula: K(V3+,Al)2(AlSi3O10)(OH)2
Sphalerite
Formula: ZnS
Stibnite
Formula: Sb2S3
Localities: Reported from at least 16 localities in this region.
Talc
Formula: Mg3Si4O10(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Tetrahedrite
Formula: Cu6Cu4(Fe2+,Zn)2Sb4S13
Localities: Reported from at least 19 localities in this region.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Cinnabar2.CD.15aHgS
Cobaltite2.EB.25CoAsS
Galena2.CD.10PbS
Glaucodot2.EB.10c(Co0.50Fe0.50)AsS
Marcasite2.EB.10aFeS2
Molybdenite2.EA.30MoS2
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
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
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Anthophyllite9.DD.05☐{Mg2}{Mg5}(Si8O22)(OH)2
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
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

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
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Galena2.8.1.1PbS
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
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
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

List of minerals for each chemical element

HHydrogen
H Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
H TalcMg3Si4O10(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 CalciteCaCO3
OOxygen
O QuartzSiO2
O Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
O TalcMg3Si4O10(OH)2
O CalciteCaCO3
O HematiteFe2O3
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 Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
Mg TalcMg3Si4O10(OH)2
AlAluminium
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 Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
Si TalcMg3Si4O10(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 PyrargyriteAg3SbS3
S CinnabarHgS
S MolybdeniteMoS2
S Glaucodot(Co0.50Fe0.50)AsS
S CobaltiteCoAsS
S SphaleriteZnS
S GalenaPbS
KPotassium
K RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
VVanadium
V RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
Fe MarcasiteFeS2
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
ZnZinc
Zn TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As Glaucodot(Co0.50Fe0.50)AsS
As CobaltiteCoAsS
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag PyrargyriteAg3SbS3
SbAntimony
Sb TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S13
Sb StibniteSb2S3
Sb PyrargyriteAg3SbS3
AuGold
Au GoldAu
HgMercury
Hg CinnabarHgS
PbLead
Pb GalenaPbS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Brooks, Howard C., Len Ramp (1968), Gold and Silver In Oregon.

Localities in this Region

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