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Fish Creek

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Porphyry copper prospect in Nevada, United States

Names and other identifiers

GMRAP ID 37
Tract name Sierran Arc (003pCu9007)
Site status prospect

Geographic location

Country United States
State or province Nevada
Geographic location -117.216666667, 40.416666667
Geologic map unit -117.216666667, 40.416666667
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 89Ma
Age determination method unknown
Age range 89 Ma
Age reference Singer and others (2008)
Minerals actinolite, biotite, chalcopyrite, molybdenite, pyrite, pyrrhotite, sericite
Associated rocks breccia, hornfels, quartz monzonite porphyry, skarn, chert, limestone, sandstone, welded tuff
Tectonic setting mixed
Stratigraphic age Late Cretaceous

Commodity and development information

Development status Occurrence
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments 0.1% Cu.
Study area name United States
References Emmons and Eng (1995); Miller and Silberman (1977); Brooks and others (1991); Singer and others (2008)
Site reference U.S. Geological Survey National Mineral Resource Assessment Team (2002)
Brooks, J.W., Meynert, L.D., Kuyper, B.A., and Lane, M.L., 1991, Petrology and geochemistry of the McCoy gold skarn, Lander County, Nevada, in Raines, G.L., Lisle, R.E., Schafer, R.W., and Wilkinson, W.H., eds., Geology and ore deposits in the Great Basin: Geological Society of Nevada Great Basin Symposium, Reno/Sparks, Nev., April 1–5, 1990 [Proceedings], p. 419–442.
Emmons, D.L., and Eng, T.L., 1995, Geologic map of the McCoy mining district, Lander County, Nevada: Nevada Bureau of Mines and Geology Map 103, 12 p. and 2 plates.
Miller, B.W., and Silberman, M.L., 1977, Cretaceous K-Ar age of hydrothermal alteration at the North Fish Creek porphyry copper prospect, Fish Creek Mountains, Lander County, Nevada: Isochron/West, no. 18, April, p. 7.
Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the world—Database and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.