California · Plumas County
Past Producer

Plumas-Eureka Mine

Plumas County, California, United States
GoldLeadSilverIronZincCopperArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondaryLead, Silver
TertiaryIron, Zinc, Copper, Arsenic
Commodity typeM
Deposit
Deposit typeHydrothermal vein
Model273: Low-sulfide Au-quartz vein
Orebody formTabular, lens
Ore controlMineralization occurs as ore shoots within mesothermal gold-bearing quartz veins in roughly parallel fracture zones. Gold concentrations increase at vein pinches and where veins flatten or roll over.
Materials
Ore mineralsGold, Chalcopyrite, Galena, Sphalerite, Arsenopyrite
GangueQuartz
Geology
Host rockGabbro,Porphyry,Tuff,Rhyolite · Sierra Buttes Formation
StructureNo significant local structures, Melones Fault Zone, Mohawk Valley Fault Zone
Tectonic settingMagmatic arc
AlterationNegligible - None described
Economic & production
Development statusPast Producer
Discovery year1851
Identification
Deposit ID10310667
Alternate namesDirector 1 Claim, Director 2 Claim, Oceola Claim, Oliver Claim, Johns Extension Quartz Claim, Eureka Peak Quartz Claim, Mammoth Claim, Mammoth Mine, Eureka Peak Mine, Rough and Ready Mine, Washington Mine, Seventy-Six Mine, Lawton Vein, North Vein, Eureka Vein, Eureka Claim, Director Claim
RegionNA
Data scoreA
Coordinates39.75648, -120.70183
References
Averill, C. V., 1928, Plumas County: California Division of Mines 24th Annual Report of the State Mineralogist, p. 261-269, 292-293.Beard, J. S. and Day, H. W., 1987, The Smartville intrusive complex, Sierra Nevada, California: The core of a rifted volcanic arc: Geological Society of America Bulletin, v. 99, no. 6, p. 779-791.Bradley, W. W., 1934, Plumas County: California Journal of Mines and Geology, v. 30, no. 4, p. 304.Bradley, W. W., 1937, Mineral resources of Plumas County: California Journal of Mines and Geology, v. 33, no. 1, p. 79-89, 118-119.Brooks, E. R., 2000, Geology of a late Paleozoic island arc in the Northern Sierra terrane, in Brooks, E. R. and Dida, L.T., editors, Field guide to the geology and tectonics of the northern Sierra Nevada: California Division of Mines and Geology Special Publication 122, p. 53-110.Clark, L. D., 1960, Foothills fault system, western Sierra Nevada, California: Geological Society of America Bulletin, v. 71, p. 483-496.Clark, L. D., 1964, Stratigraphy and structure of part of the Sierra Nevada metamorphic belt, California: U.S. Geological Survey Professional Paper 410, 70 p.Clark, W. B., 1970, Gold districts of California: California Division of Mines and Geology Bulletin 193, p. 82-83.Coveney, R. M., Jr., 1981, Gold quartz veins and auriferous granite at the Oriental Mine, Alleghany, California: Economic Geology, v. 76, no. 8, p. 2176-2199.Crawford, J. J., 1894, Plumas County: California State Mining Bureau 12th Annual Report of the State Mineralogist, p. 219.Crawford, J. J., 1896, Plumas County: California State Mining Bureau 13th Annual Report of the State Mineralogist, p. 302.D'Allura, J. A., 1977, Stratigraphy, structure, petrology, and regional correlations of metamorphosed upper Paleozoic volcanic rocks in portions of Plumas, Sierra, and Nevada counties, California: University of California, Davis, Ph.D dissertation, 338 p.Day, H. W., 1985, Structure and tectonics of the northern Sierra Nevada: Geological Society of America Bulletin, v. 96, p. 436-450.Day, H. W. and others, 1988, Metamorphism and tectonics of the northern Sierra Nevada, in Ernst, W. G., editor, Metamorphism and crustal evolution of the western United States (Rubey Volume VII): Prentice-Hall, Englewood Cliffs, New Jersey, p. 738-759.Girty, G. H. and Schweickert, R. A., 1984, The Culbertson Lake allochthon, a newly identified structure within the Shoo Fly Complex, California - Evidence for four phases of deformation and extension of the Antler orogeny to the northern Sierra Nevada: Modern Geology, v. 8, p. 181-198.Grose, T.L.T. and others, 2000, Geologic map of the Blairsden 15' quadrangle, Plumas County, California, California Division of Mines and Geology Open-File Report 2000-21, scale 1:62,500.Hamilton, F., 1919, Plumas County: California State Mining Bureau 16th Annual Report of the State Mineralogist, p. 21-27, 155-157.Hanson, R. E., 1983, Volcanism, plutonism and sedimentation in a late Devonian submarine island-arc setting, northern Sierra Nevada, California: Columbia University, Ph.D dissertation, 345 p.Harwood, D.S., 1988, Tectonism and metamorphism in the northern Sierra Terrane, northern California, in Ernst, W. G., editor, Metamorphism and crustal evolution of the western United States (Rubey Volume VII): Prentice-Hall, Englewood Cliffs, New Jersey, p. 764-788.Irelan, W., 1888, Plumas County: California State Mining Bureau 8th Annual Report of the State Mineralogist, p. 476-478.McMath, V. E., 1958, The geology of the Taylorsville area, Plumas County, California: University of California, Los Angeles, Ph.D dissertation, 199 p.Moores, E. M., 1972, Model for a Jurassic island arc - continental margin collision in California: Geological Society of America Abstracts with Programs, v. 4, no. 3, p. 202.Preston, E. B., 1890, Plumas County: California State Mining Bureau 10th Annual Report of the State Mineralogist, p. 482-483.Preston, E. B., 1892, Plumas County: California State Mining Bureau 11th Annual Report of the State Mineralogist, p. 330.Saleeby, J., 1981, Ocean floor accretion and volcanoplutonic arc evolution of the Mesozoic Sierra Nevada, in Ernst, W. G., editor, The geotectonic development of California (Rubey Volume I): Prentice-Hall, Englewood Cliffs, New Jersey, p. 132-181.Schweickert, R. A. and Cowan, D. S., 1975, Early Mesozoic tectonic evolution of the western Sierra Nevada, California: Geological Society of America Bulletin, v. 86, p. 1329-1336.Silva, S. R. and others, 2000, Devonian Sierra Buttes Formation in the Jamison Lake area: Involvement of ancient continental crust in magma genesis, in Brooks, E. R. and Dida, L.T., editors, Field guide to the geology and tectonics of the northern Sierra Nevada: California Division of Mines and Geology Special Publication 122, p. 16-52.Jackson, W. T., 1961, A history of mining in the Plumas-Eureka State Park area: Unpublished report prepared for the State of California, Division of Beaches and Parks, 36 p. (available for reference at the Sacramento Library of the California Geological Survey).