Nanmu

Porphyry copper prospect in Xizang, China

Names and other identifiers

GMRAP ID 581
Alternate names Dabu
Tract name Gangdese (142pCu8712)
Site status prospect

Geographic location

Country China
State or province Xizang
Geographic location 90.816666667, 29.466666667
Geologic map unit 90.816666667, 29.466666667
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 14.76Ma
Age determination method Re-Os molybdenite
Age range 14.76 ±0.22 Ma (Re-Os molybdenite); 14.1 ±0.9 to 17.0 ±1.5 Ma (U-Pb zircon SHRIMP)
Age reference Hou and others (2004); Hou, Yang and others (2009); Qu and others (2007)
Minerals biotite, bornite, chalcopyrite, chlorite, malachite, molybdenite, molybdite, pyrite, sericite, sphalerite
Associated rocks granodiorite porphyry, granite, quartz diorite, rhyolite porphyry
Tectonic setting postconvergence
Stratigraphic age Miocene

Commodity and development information

Development status Prospect
Major commodities Cu
Minor commodities Mo
Trace commodities Zn
Gold-Moly ratio -9999

Reference information

Comments Tibet. Gangdese porphyry copper belt. Resource reported of >0.2 Mt of Cu, at a copper grade of >3%. Exploration.
Study area name Tibetan Plateau
References Gao and others (2003); Hou, Mo and others (2003); Qu and others (2001); Qu and others (2007); Rui, Wang and Wang (2002b); Singer and others (2008); Hou and others (2004); Hou, Yang and others (2009)
Site reference Ludington, Hammarstrom, and others (2012)
Gao Yongfeng, Hou Zengqian, Wei Ruihua, and Zhao Rongsheng, 2003, Post-collisional adakitic porphyries in Tibet—Geochemical and Sr-Nd-Pb isotopic constraints on partial melting of oceanic lithosphere and crust-mantle interaction: Acta Geologica Sinica (English edition), v. 77, p. 194–203. [In Chinese, English abstract.] (Abstract also available at http://dx.doi.org/10.1111/j.1755-6724.2003.tb00562.x.)Hou Zengqian, Qu Xiaoming, Wang Shuxian, Du Andao, Gao Yongfeng, and Huang Wei, 2004, Re-Os age for molybdenite from the Gangdese porphyry copper belt on Tibetan plateau—Implication for geodynamic setting and duration of the Cu mineralization: Science in China Series D—Earth Sciences, v. 47, no. 3, p. 221–231. (Also available at http://earth.scichina.com:8080/sciDe/CN/10.1360/02yd0487#.)Hou ZengQian, Mo XuanXue, Gao YongFeng, QuXiaoMing, and Meng XiangJin, 2003, Adakite, a possible host rock for porphyry copper deposits—Case studies of porphyry copper belts in Tibetan Plateau and in northern Chile: Mineral Deposits, v. 22, no. 1, p. 1–12. [In Chinese, English abstract.] (Abstract also available at http://en.cnki.com.cn/Article_en/CJFDTOTAL-KCDZ200301000.htm.)Hou, Zengqian; Yang, Zhiming; Qu, Xiaoming; Meng, Xiangjin; Li, Zhenqing; Beaudoin, G.; Rui, Zongyao; Gao, Yongfeng; and Zaw, Khin, 2009, The Miocene Gangdese porphyry copper belt generated during post-collisional extension in the Tibetan orogen: Ore Geology Reviews, v. 36, p. 25–51. (Also available at http://dx.doi.org/10.1016/j.oregeorev.2008.09.006.)Qu Xiaoming, Hou Zengqian, and Huang Wei, 2001, Is Gangdese porphyry copper belt the second “Yulong” copper belt?: Mineral Deposits, v. 20, no. 4, p. 353–366. [In Chinese, English abstract.] (Abstract also available at http://en.cnki.com.cn/Article_en/CJFDTotal-KCDZ200104009.htm.)Qu, Xiaoming; Hou, Zengqian; Zaw, Khin; and Li, Youguo, 2007, Characteristics and genesis of Gangdese porphyry copper deposits in the southern Tibetan Plateau—Preliminary geochemical and geochronological results: Ore Geology Reviews, v. 31, p. 205–223. (Also available at http://dx.doi.org/10.1016/j.oregeorev.2005.03.012.)
Rui, Z., Wang, L., and Wang, Y., 2002b, Porphyry copper deposit models in China, in Workshop on Assessing Undiscovered Mineral Resources, Beijing, June 24–28, Proceedings: China Geological Survey and U.S. Geological Survey, p. 42–52.
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/.