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Anjishan

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Porphyry copper prospect in Jiangsu, China

Names and other identifiers

GMRAP ID 472
Tract name Coastal Pacific (142pCu8704)
Site status prospect

Geographic location

Country China
State or province Jiangsu
Geographic location 119.099998474, 32.066699981
Geologic map unit 119.099998474, 32.066699981
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 108Ma
Age determination method Re-Os molybdenite
Age range 108 ±2 Ma
Age reference Hou and others (2011)
Minerals azurite/malachite, bornite, chalcocite, chalcopyrite, copper, covellite, galena, molybdenite, pyrite, pyrrhotite, sphalerite
Associated rocks granodiorite porphyry
Tectonic setting postconvergence
Stratigraphic age Early Cretaceous

Commodity and development information

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

Reference information

Comments Related to the pluton that was the first recognized ""Adakite-like"" non-arc pluton in Asia. Intermediate resources grading 0.76% Cu, 10.5 g/t Ag, 0.05 g/t Au. Yangtze River Metallogenic Belt. Exploration.
Study area name East Asia Mesozoic
References Mindat.org (2007a); Pan and Dong (1999); Xu and others (2002); Singer and others (2008); Hou and others (2011)
Site reference Ludington, Mihalasky, and others (2012)
Hou, Zengqian; Zhang, Hongrui; Pan, Xiaofei; and Yang, Zhiming, 2011, Porphyry Cu (-Mo-Au) deposits related to melting of thickened mafic lower crust—Examples from the eastern Tethyan metallogenic domain: Ore Geology Reviews, v. 39, p. 21–45. (Also available at http://dx.doi.org/10.1016/j.oregeorev.2010.09.002.)Mindat.org, 2007a, Anjishan Cu-Mo deposit, Jiangning District, Nanjing Prefecture, Jiangsu Province, China: Mindat.org, Mindat database, accessed April 3, 2013, at http://www.mindat.org/loc-142697.html.Pan, Yuanming, and Dong, Ping, 1999, The Lower Changjiang (Yangzi/Yangtze River) metallogenic belt, east central China—Intrusion- and wall rock-hosted Cu-Fe-Au, Mo, Zn, Pb, Ag deposits: Ore Geology Reviews, v. 15, p. 177–242. (Also available at http://dx.doi.org/10.1016/S0169-1368(99)00022-0.)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/.Xu, Ji-Feng; Shinjo, Ryuichi; Defant, M.J.; Wang, Qiang; and Rapp, R.P., 2002, Origin of Mesozoic adakitic intrusiver rocks in the Ningzhen area of east China—Partial melting of delaminated lower continental crust?: Geology, v. 30, p. 1111–1114. (Also available at http://dx.doi.org/10.1130/0091-7613(2002)?030<1111:OOMAIR>?2.0.CO;2.)