Yinshan

Porphyry copper (Cu-Au) deposit in Jiangxi, China

Names and other identifiers

GMRAP ID 9542
Alternate names Jiuqiu
Tract name Coastal Pacific (142pCu8704)
Site status deposit

Geographic location

Country China
State or province Jiangxi
Geographic location 117.596000671, 28.97179985
Geologic map unit 117.596000671, 28.97179985
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age (Ma) 178.2Ma
Age determination method Ar-Ar muscovite
Age range 178.2 ±1.4 Ma
Age reference Li, Watanabe and others (2007)
Minerals chalcopyrite, pyrite, enargite, tennantite
Associated rocks dacite porphyry
Tectonic setting postconvergence
Stratigraphic age Early Jurassic

Commodity and development information

Development status Producer
Major commodities Cu, Au
Tonnage (Mt) 83Mt
Cu grade (%) 0.52%
Au grade (g/t) 0.8g/t
Contained copper 432,000t
Gold-Moly ratio -9999

Reference information

Comments High level - transitional to epithermal environment. Many orebodies within the deposit are stratiform. Mining.
Study area name East Asia Mesozoic
References Li, Watanabe and others (2007); Dunne and Kirkham (2003)
Site reference Ludington, Mihalasky, and others (2012)
Dunne, K.P.E, and Kirkham, R.V., comps., 2003, World distribution of porphyry, porphyry-related skarn, and bulk-mineable epithermal deposits: Canada Geological Survey, [unpublished], accessed October 29, 2010, at http://gdr.nrcan.gc.ca/minres/index_e.php. [Web page no longer available.]
Li, Xiaofeng; Watanabe, Yasushi; Mao, Jingwen; Liu, Shengxiang; and Yi, Xiankui, 2007, Sensitive high-resolution ion microprobe [SHRIMP] U-Pb zircon and 40Ar-39Ar muscovite ages in the Yinshan deposit in the northeast Jiangxi Province, south China: Resource Geology, v. 57, p. 325–337. (Also available at http://dx.doi.org/10.1111/j.1751-3928.2007.00026.x.)