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Sunnyside

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Porphyry copper deposit in Arizona, United States

Names and other identifiers

GMRAP ID 97
Tract name Western Sierra Madre Occidental and Laramide Central (003pCu3007x)
Site status deposit

Geographic location

Country United States
State or province Arizona
Geographic location -110.746111111, 31.451111111
Geologic map unit -110.746111111, 31.451111111
Nearby data
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Geologic information

Deposit type Porphyry copper
Minerals alunite, andalusite, biotite, chalcocite, chalcopyrite, diaspore, enargite, hematite, kaolinite/illite, magnetite, pyrite, pyrophyllite, sericite, smectite, tennantite, tourmaline, zunyite
Associated rocks breccia, latite porphyry, quartz- feldspar porphyry, quartz monzonite porphyry, granodiorite, quartz monzonite, carbonate rocks, volcanic rocks
Tectonic setting continental margin

Commodity and development information

Development status Prospect
Major commodities Cu
Tonnage (Mt) 180Mt
Cu grade (%) 0.61%
Mo grade (%) 0.02%
Ag grade (g/t) 0.5g/t
Contained copper 1,100,000t
Gold-Moly ratio -9999

Reference information

Comments Deep resources at a depth of >4000 ft. Exposed.
Study area name United States
References Graybeal (1996); Keith and others (1984); Singer and others (2008)
Site reference U.S. Geological Survey National Mineral Resource Assessment Team (2002)
Graybeal, F.T., 1996, Sunnyside, a vertically-preserved porphyry copper system, Patagonia Mountains, Arizona: Society of Economic Geologists, SEG Newsletter, no. 26, p. 1, 10–14. (Also available at http://www.segweb.org/pdf/publications/newsletters/1996/SEG-Newsletter-26-1996-July.pdf.)Keith, S.B., Schnabel, Lorraine, DeWitt, Ed, Gest, D.E., and Wilt, Jan, 1984, Map, description and bibliography of the mineralized areas of the Basin and Range Province in Arizona: U.S. Geological Survey Open-File Report 84–0086, 129 p., scale 1:500,000. (Also available at http://pubs.usgs.gov/of/1984/0086/report.pdf and at http://pubs.usgs.gov/of/1984/0086/plate-1.pdf.)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/.