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Copperopolis Mines (Copperopolis group), Copperopolis, Foothill Copper Belt, Calaveras County, California, USAi
Regional Level Types
Copperopolis Mines (Copperopolis group)Group of Mines
CopperopolisCensus-designated Place
Foothill Copper BeltBelt
Calaveras CountyCounty
CaliforniaState
USACountry

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05085990017272033172250.jpg
Keystone Copper Mine - 1866

North Keystone Mine, Copperopolis Mines, Copperopolis, Foothill Copper Belt, Calaveras County, California, USA
08046740017849893544766.jpg
Native Copper

Copperopolis Mines, Copperopolis, Foothill Copper Belt, Calaveras County, California, USA
05085990017272033172250.jpg
Keystone Copper Mine - 1866

North Keystone Mine, Copperopolis Mines, Copperopolis, Foothill Copper Belt, Calaveras County, California, USA
09442340017848471879329.jpg
Native Copper

Copperopolis Mines, Copperopolis, Foothill Copper Belt, Calaveras County, California, USA
05085990017272033172250.jpg
Keystone Copper Mine - 1866

North Keystone Mine, Copperopolis Mines, Copperopolis, Foothill Copper Belt, Calaveras County, California, USA
09442340017848471879329.jpg
Native Copper

Copperopolis Mines, Copperopolis, Foothill Copper Belt, Calaveras County, California, USA
Latitude & Longitude (WGS84):
37° North , 120° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~4km
GRN:
N26W68
Type:
Group of Mines
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Mindat Locality ID:
213255
Long-form identifier:
mindat:1:2:213255:9
GUID (UUID V4):
0


A former group of Cu mines located in sec. 34, T2N & secs. 2 & 3, T1N, R12E, MDM.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

17 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:

ⓘ Andalusite
Formula: Al2(SiO4)O
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
Description: Occurs in several mines in the group.
ⓘ Bornite
Formula: Cu5FeS4
Description: Occurs in small amounts in ore.
ⓘ Brochantite
Formula: Cu4(SO4)(OH)6
Colour: Dark green
Description: Occurs as druses of small crystals.
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
Description: Occurs as an alteration product.
ⓘ Cuprite
Formula: Cu2O
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Hematite
Formula: Fe2O3
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Native Copper
Formula: Cu
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Tenorite
Formula: CuO
ⓘ Titanite
Formula: CaTiO(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘTenorite4.AB.10CuO
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBrochantite7.BB.25Cu4(SO4)(OH)6
Group 9 - Silicates
ⓘAndalusite9.AF.10Al2(SiO4)O
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Unclassified
ⓘ'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ BrochantiteCu4(SO4)(OH)6
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AndalusiteAl2(SiO4)O
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BrochantiteCu4(SO4)(OH)6
Oⓘ CalciteCaCO3
Oⓘ CupriteCu2O
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ TenoriteCuO
Oⓘ TitaniteCaTiO(SiO4)
AlAluminium
Alⓘ AndalusiteAl2(SiO4)O
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Siⓘ AndalusiteAl2(SiO4)O
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ QuartzSiO2
Siⓘ TitaniteCaTiO(SiO4)
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ BrochantiteCu4(SO4)(OH)6
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ TitaniteCaTiO(SiO4)
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
FeIron
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ PyriteFeS2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ BrochantiteCu4(SO4)(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CupriteCu2O
Cuⓘ Native CopperCu
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ TenoriteCuO

Localities in this Region

USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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.

References

Whitney, J.D. (1865), Geological survey of California, Geology, 1, Report of progress and synopsis of the field work from 1860to 1864; […(abstract): American Journal of Science, 2nd. series: 41: 124, 231-246, 351-368]: 255.
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 77, 94.
Irelan, William, Jr. (1888b), Eighth annual report of the State Mineralogist [includes mineral resources of the State, with contributions by W.A. Goodyear, H.A. Whiting, and Stephen Bowers]: California Mining Bureau. Report 8, 946 pp.: 151
Aubury, Lewis E. (1905) The Copper Resources of California. Bulletin 23. California State Mining Bureau p.190
Reid, John A. (1907b), The ore deposits in Copperopolis, Calaveras County, California: Economic Geology: 2: 380-417; […(abstract): Geol. Zentralbl., Band 11: 350 (1908)]: 398.
Rogers, Austin Flint (1912), Notes on rare minerals from California: Columbia University, School of Mines Quarterly: 33: 376
Clark, William B., Lydon, Philip A. (1963) Mines and Mineral Resources of Calaveras County, California. County Report 2. California Division of Mines and Geology
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 93, 110, 114, 131, 157, 164, 360.
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
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