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Consumnes Mine (Consumnes Copper Mine), Fair Play, Fairplay District, El Dorado Co., California, USAi
Regional Level Types
Consumnes Mine (Consumnes Copper Mine)Mine
Fair Play- not defined -
Fairplay DistrictMining District
El Dorado Co.County
CaliforniaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 38° 36' 24'' North , 120° 36' 24'' West
Latitude & Longitude (decimal): 38.60667,-120.60667
GeoHash:G#: 9qf5xs0uh
USGS MRDS Record:10037064
Locality type:Mine
Köppen climate type:Csa : Hot-summer Mediterranean climate


A former Cu-Mo-Au-Ag-Sb-W mine located in the NW¼ sec. 25, T9N, R12E, MDM, about 5 km (3 miles) ENE of Fairplay on the S side of the Middle Fork Consumnes River (13.5 miles SE of Placerville). MRDS database accuracy for this location is not stated.

Mineralization is hosted in marble. Associated rocks include diorite. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).

Workings include underground openings with an overall depth of 68.58 meters and comprised of 5 adits, several hundred feet of drifts and crosscuts, a raise and several winzes.

Production was reported but not recorded.

Analytical data results: MoS2 = 0.08-0.83%; Cu = 0.28-3.09%.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


19 valid minerals.

Detailed Mineral List:

Axinite-(Mn)
Formula: Ca2Mn2+Al2BSi4O15(OH)
Colour: Brown
Description: Occurs as small clear crystals on epidote.
Reference: Schaller, Waldemar Theodore (1911b), Axinite from California: USGS Bulletin 490: 42; Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 65, 91, 175.
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Aubury, Lewis E. (1908), The copper resources of California: California Mining Bureau. Bulletin 50: 213; Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 93; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 224. USGS Bull 1182E.
Bornite
Formula: Cu5FeS4
Description: Occurs as massive material with molybdenite in a coarse pegmatite.
Reference: Aubury, Lewis E. (1902), The copper resources of California: California Mining Bureau Bulletin 23: 180; Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 110, 129, 131, 175. USGS Bull 1182E
Calcite
Formula: CaCO3
Description: Occurs as good crystals.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 117. USGS Bull 1182E.
Chalcocite
Formula: Cu2S
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 129.
Chalcopyrite
Formula: CuFeS2
Reference: Dana, Edward Salisbury (1892), System of mineralogy, 6th. ed., 1134 pp., Wiley & Sons, New York: 22, 82, 1096; Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 129, 131. USGS Bull 1182E.
Copper
Formula: Cu
Reference: Dana 6: 22,82,1096.
'commodity:Copper'
Formula: Cu
Reference: From USGS MRDS database
Diopside
Formula: CaMgSi2O6
Description: Occurs as fine crystals.
Reference: Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 319; Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 80; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 307.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Description: Occurs as large crystals coated by axinite in a coarse vein.
Reference: Schaller, Waldemar Theodore (1911b), Axinite from California: USGS Bulletin 490: 42; Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 91, 175. USGS Bull 1182E
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 185; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 341.
Gold
Formula: Au
Reference: www.mineralsocal.org
Grossular
Formula: Ca3Al2(SiO4)3
Description: Occurs as large crystals.
Reference: Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 193. USGS Bull 1182E.
'Hornblende'
Colour: Black
Description: Occurs as large cleavage masses.
Reference: Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 65. USGS Bull 1182E.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: USGS Bull 1182E
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 224. USGS Bull 1182E.
Molybdenite
Formula: MoS2
Description: Occurs with massive bornite as foliated plates and crystals to 6 cm diameter in a coarse pegmatite.
Reference: Dana, Edward Salisbury (1892), System of mineralogy, 6th. ed., 1134 pp., Wiley & Sons, New York: 22, 82, 1096; 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): 274; Aubury, Lewis E. (1902), The copper resources of California: California Mining Bureau Bulletin 23: 180; Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 110, 131, 175, 268. USGS Bull 1182E.
Orthoclase
Formula: K(AlSi3O8)
Reference: Schaller, Waldemar Theodore (1911b), Axinite from California: USGS Bulletin 490: 42; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 65, 175; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 480.
Powellite
Formula: Ca(MoO4)
Reference: Clark, Wm. B. & D.W. Carlson (1956), Mines and mineral resources of El Dorado County, California: California Journal of Mines and Geology: 52(4): 437, 494; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 294; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 339. USGS Bull 1182E.
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: Dana 6: 22,82,1096.
Quartz
Formula: SiO2
Reference: USGS Bull 1182E
Stibnite
Formula: Sb2S3
Reference: Clark, Wm. B. & D.W. Carlson (1956), Mines and mineral resources of El Dorado County, California: California Journal of Mines and Geology: 52(4): 494; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 339.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Copper'1.AA.05Cu
'Gold'1.AA.05Au
Group 2 - Sulphides and Sulfosalts
'Bornite'2.BA.15Cu5FeS4
'Chalcocite'2.BA.05Cu2S
'Chalcopyrite'2.CB.10aCuFeS2
'Molybdenite'2.EA.30MoS2
'Stibnite'2.DB.05Sb2S3
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Azurite'5.BA.05Cu3(CO3)2(OH)2
'Calcite'5.AB.05CaCO3
'Malachite'5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Ferrimolybdite'7.GB.30Fe2(MoO4)3 · nH2O
'Powellite'7.GA.05Ca(MoO4)
Group 9 - Silicates
'Axinite-(Mn)'9.BD.20Ca2Mn2+Al2BSi4O15(OH)
'Diopside'9.DA.15CaMgSi2O6
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Grossular'9.AD.25Ca3Al2(SiO4)3
'Orthoclase'9.FA.30K(AlSi3O8)
'Pyrophyllite'9.EC.10Al2Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Hornblende'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
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
Molybdenite2.12.10.1MoS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Group 49 - HYDRATED MOLYBDATES AND TUNGSTATES
Hydrated Normal Molybdates and Tungstates
Ferrimolybdite49.2.1.1Fe2(MoO4)3 · nH2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Axinite-(Mn)56.2.2.3Ca2Mn2+Al2BSi4O15(OH)
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 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Hornblende'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
H AzuriteCu3(CO3)2(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H FerrimolybditeFe2(MoO4)3 · nH2O
H Limonite(Fe,O,OH,H2O)
H MalachiteCu2(CO3)(OH)2
H PyrophylliteAl2Si4O10(OH)2
BBoron
B Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
CCarbon
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
O AzuriteCu3(CO3)2(OH)2
O CalciteCaCO3
O DiopsideCaMgSi2O6
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O FerrimolybditeFe2(MoO4)3 · nH2O
O GrossularCa3Al2(SiO4)3
O Limonite(Fe,O,OH,H2O)
O MalachiteCu2(CO3)(OH)2
O OrthoclaseK(AlSi3O8)
O PowelliteCa(MoO4)
O PyrophylliteAl2Si4O10(OH)2
O QuartzSiO2
MgMagnesium
Mg DiopsideCaMgSi2O6
AlAluminium
Al Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al GrossularCa3Al2(SiO4)3
Al OrthoclaseK(AlSi3O8)
Al PyrophylliteAl2Si4O10(OH)2
SiSilicon
Si Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Si DiopsideCaMgSi2O6
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si GrossularCa3Al2(SiO4)3
Si OrthoclaseK(AlSi3O8)
Si PyrophylliteAl2Si4O10(OH)2
Si QuartzSiO2
SSulfur
S BorniteCu5FeS4
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
S StibniteSb2S3
KPotassium
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca GrossularCa3Al2(SiO4)3
Ca PowelliteCa(MoO4)
MnManganese
Mn Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)
FeIron
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe FerrimolybditeFe2(MoO4)3 · nH2O
Fe Limonite(Fe,O,OH,H2O)
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2
MoMolybdenum
Mo FerrimolybditeFe2(MoO4)3 · nH2O
Mo MolybdeniteMoS2
Mo PowelliteCa(MoO4)
SbAntimony
Sb StibniteSb2S3
AuGold
Au GoldAu

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Triassic - Ordovician
201.3 - 485.4 Ma



ID: 2819672
Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada)

Age: Phanerozoic (201.3 - 485.4 Ma)

Stratigraphic Name: Calaveras Complex; Shoo Fly Complex; Blue Canyon Formation; Briceburg Formation; Cape Horn Slate; Delhi Formation; Hite Cove Formation; Kanaka Formation; Relief Quartzite; Tightner Formation

Description: Undivided Paleozoic metasedimentary rocks. Includes slate, sandstone, shale, chert, conglomerate, limestone, dolomite, marble, phyllite, schist, hornfels, and quartzite

Comments: Western Sierra Nevada. Lower Paleozoic Shoo Fly Complex and upper Paleozoic to lower Mesozoic Calaveras Complex, undivided. Deformed and metamorphosed rocks composed primarily of quartzite, argillite, and chert; includes melange Original map source: Saucedo, G.J., Bedford, D.R., Raines, G.L., Miller, R.J., and Wentworth, C.M., 2000, GIS Data for the Geologic Map of California, California Department of Conservation, Division of Mines and Geology, CD-ROM 2000-07, scale 1:750,000.

Lithology: Major:{argillite,quartzite,phyllite}, Minor:{mudstone,sandstone,chert}, Incidental:{schist, marble, conglomerate, sedimentary breccia, limestone, basalt}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Devonian - Silurian
358.9 - 443.8 Ma



ID: 3185269
Paleozoic sedimentary and volcanic rocks

Age: Paleozoic (358.9 - 443.8 Ma)

Comments: Mccloud Arc

Lithology: Mudstone-carbonate-sandstone-conglomerate

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
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): 274, 319.
Dana, Edward Salisbury (1892), System of mineralogy, 6th. ed., 1134 pp., Wiley & Sons, New York: 22, 82, 1096.
Aubury, Lewis E. (1902), The copper resources of California: California Mining Bureau Bulletin 23: 180.
Kunz, George Frederick (1905a), Gems, jewelers’ materials, and ornamental stones of California: California Division Mines Bulletin 37, 171 pp.: 80.
Aubury, Lewis E. (1908), The copper resources of California: California Mining Bureau. Bulletin 50: 213.
Schaller, Waldemar Theodore (1911b), Axinite from California: USGS Bulletin 490: 42.
Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278.
Clark, Wm. B. & D.W. Carlson (1956), Mines and mineral resources of El Dorado County, California: California Journal of Mines and Geology (Report 52): 52(4): 437, 494.
Robertson and Tatlock (1965), in: Molybdenum Occurrences of the U.S., USGS Bulletin 1182-E: 35-36.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 65, 91, 93, 110, 117, 129, 131, 175, 185, 193, 268, 294, 307.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 79, 224, 339, 341, 480, 505.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10037064.


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