Porphyry copper deposit in Yunnan, China

Names and other identifiers

Tract name Jinsajiang (142pCu8702)
Site status deposit

Geographic location

Country China
State or province Yunnan
Geographic location 99.9864, 28.0385
Geologic map unit 99.9864, 28.0385
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 213Ma
Age determination method Re-Os molybdenite
Age range 213 ±3.8 Ma
Age reference Li, Zeng and others (2011)
Minerals bornite, chalcocite, chalcopyrite, malachite, molybdenite, pyrite, pyrrhotite
Associated rocks quartz diorite porphyry, quartz monzonite porphyry, granodiorite, andesite, dacite
Tectonic setting island arc
Stratigraphic age Late Triassic

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Au, Ag
Tonnage (Mt) 1,229Mt
Cu grade (%) 0.34%
Mo grade (%) 0.01%
Au grade (g/t) 0.18g/t
Ag grade (g/t) 1.27g/t
Contained copper 4,200,000t
Gold-Moly ratio 20

Reference information

Comments Li, Zeng and others (2011) report an average Pt grade 1.34 ppb, Pd, 4.95 ppb; Chen and others (2008) report 6,400 t of Mo at 0.004% Mo, 29 t of Au at 0.18 g/t Au. 30% of the deposit area is covered by Quaternary moraine. The original grade and tonnage cited by Singer and others (2008) has been superseded.
Study area name Central Asian Orogenic Belt
References Ren (1997); Wang, Zhang and others (2007); Zeng and others (2004); Hou, Zaw and others (2007); Li, Zeng and others (2011); Chen and others (2008); Leng and others (2008); Singer and others (2008)
Site reference Mihalasky, Ludington, Hammarstrom, and others (2015)
Chen Yongquing, Huang Jingning, and Liang Zhen, 2008, Geochemical characteristics and zonation of primary halos of Pulang porphyry copper deposit, northwestern Yunnan Province, southwestern China: Journal of China University of Geosciences, v. 19, no. 4, p. 371–377. (Also available at http://www.earth-science.net/ejournal/paper/2008-4-09.pdf.)Hou, Zengqian; Zaw, Khin; Pan, Guitang; Mo, Xuanxue; Xu, Qiang; Hu, Yunzhong; and Li, Xingzhen, 2007, Sanjiang Tethyan metallogenesis in S.W. China—Tectonic setting, metallogenic epochs and deposit types: Ore Geology Reviews, v. 31, p. 48–87. (Also available at http://dx.doi.org/10.1016/j.oregeorev.2004.12.007.)Leng Chengbiao, Zhang Xingchun, Wang Shouxu, Qin Chaojian, Gou Tizhong, and Wang Waiquan, 2008, SHRIMP zircon U-Pb dating of the Songnuo ore-hosted porphyry, Zhongdian, northwest Yunnan, China and its geological implication: Geotectonica et Metallogenia, v. 32, no. 1, p. 124–130. [In Chinese, English abstract.] (Abstract also available at http://en.cnki.com.cn/Article_en/CJFDTOTAL-DGYK200801017.htm.)Li Wenchang, Zeng Pusheng, Hou Zengqian, and White, N.C., 2011, The Pulang porphyry copper deposit and associated felsic intrusions in Yunnan province, southwest China: Economic Geology, v. 106, p. 79–92. (Also available at http://dx.doi.org/10.2113/econgeo.106.1.79.)
Ren, Zhiji, 1997, Tectono-stratigraphic terrane analysis and metallization in Yunnan, China, in Pei, Rongfu, ed., Energy and mineral resources for the 21st century—Geology of mineral deposits, mineral economics: Utrecht, The Netherlands, VSP, International Geological Congress, 30th, Beijing, China, August 4–14, 1996 [Proceedings], v. 9, p. 47–55.
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/.Wang ShouXu, Zhang XingChun, Leng ChengBiao, and Qin ChaoJian, 2007, A tentative study of ore geochemistry and ore-forming mechanism of Pulang porphyry copper deposit in Zhongdian, northwestern Yunnan: Mineral Deposits, v. 26, no. 3, p. 279–288. [In Chinese, English abstract.] (Abstract also available at http://en.cnki.com.cn/Article_en/CJFDTotal-KCDZ200703003.htm.)Zeng Pusheng, Hou Zengqian, Wang Haiping, Qu Wenjun, Meng Yifeng, Yang Zhusen, and Li Wenchang, 2004, Re-Os dating of the Pulang porphyry copper deposit in Zhongdian, NW Yunnan, and its geological significance: Acta Geologica Sinica (English edition), v. 78, no. 2, p. 604–609. (Also available at http://dx.doi.org/10.1111/j.1755-6724.2004.tb00172.x.)