Zhanaga

Porphyry copper (Cu-Mo) deposit in Xizang, China

Names and other identifiers

GMRAP ID 459
Alternate names Zhalaga, Zanaga
Tract name Yulong (142pCu8710)
Site status deposit

Geographic location

Country China
State or province Xizang
Geographic location 97.815153, 31.204254
Geologic map unit 97.815153, 31.204254
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Mo
Age (Ma) 38.5Ma
Age determination method U-Th-Pb zircon LA-ICP-MS
Age range 38.5 ±0.2 Ma
Age reference Liang and others (2005)
Minerals biotite, bismuthinite, chalcocite, chalcopyrite, covellite, hematite/specularite, magnetite, molybdenite, sericite, pyrite, tourmaline, zeolite
Associated rocks breccia, granodiorite porphyry, hornfels, monzogranite porphyry, syenogranite porphyry,andesite, andesite agglomerate, rhyolite,limestone, marble, mudstone, sandstone
Tectonic setting postconvergence
Stratigraphic age Eocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo
Minor commodities Au
Tonnage (Mt) 100Mt
Cu grade (%) 0.32%
Mo grade (%) 0.03%
Au grade (g/t) 0.03g/t
Contained copper 320,000t
Gold-Moly ratio 1

Reference information

Comments Tibet. Yulong porphyry copper belt. Development status: prospect is dormant (fully explored and awaiting development).
Study area name Tibetan Plateau
References Fan (1984); Gu and others (2003); Hou, Ma and others (2003); Liang and others (2006); Rui, Wang and Wang (2002b); Tang and Luo (1995); Zhang and others (1993); Singer and others (2008); Liang and others (2005)
Site reference Ludington, Hammarstrom, and others (2012)
Fan, Pow-Foong, 1984, Geologic setting of selected copper deposits of China: Economic Geology, v. 79, p. 1785–1795. (Also available at http://dx.doi.org/10.2113/gsecongeo.79.8.1785.)Gu, X.X., Tang, J.X., Wang, C.S., Chen, J.P., and He, B.B., 2003, Himalayan magmatism and porphyry copper-molybdenum mineralization in the Yulong ore belt, East Tibet: Mineralogy and Petrology, v. 78, p. 1–20. (Also available at http://dx.doi.org/10.1007/s00710-002-0203-6.)Hou Zengqian, Ma Hongwen, Khin Zaw, Zhang Yuquan, Wang Mingjie, Wang Zeng, Pan Guitang, and Tang Renli, 2003, The Himalayan Yulong porphyry copper belt—Product of large-scale strike-slip faulting in eastern Tibet: Economic Geology, v. 98, p. 125–145. (Also available at http://dx.doi.org/10.2113/gsecongeo.98.1.125.)Liang, Huaying; Zhang, Yuqiang; Xie, Yingwen; Lin, Wu; Campbell, I.H.; and Yu, Hengxiang, 2005, Geochronological and geochemical study on the Yulong porphyry copper ore belt in eastern Tibet, China, chap. 11-5 of Mao, Jingwen, and Bierlein, F.P., eds., Mineral deposits research—Meeting the global challenge: Society for Geology Applied to Mineral Deposits (SGA) Biennial Meeting, 8th, Beijing, China, August 18–21, 2005 [Proceedings], v. 1, p. 1235–1237. (Also available at http://dx.doi.org/10.1007/3-540-27946-6_315.)Liang, Hua-Ying; Campbell, I.H.; Allen, Charlotte; Sun, Wei-Dong; Liu, Cong-Qiang; Yu, Heng-Xiang; Xie, Ying-Wen; and Zhang, Yu-Qiang, 2006, Zircon Ce4+/Ce3+ ratios and ages for Yulong ore-bearing porphyries in eastern Tibet: Mineralium Deposita, v. 41, p. 152–159. (Also available at http://dx.doi.org/10.1007/s00126-005-0047-1.)
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/.
Tang, Renli, and Luo, Huaisong, 1995, The geology of Yulong porphyry copper (molybdenum) ore belt, Xizang (Tibet): Beijing, Geological Publishing House, 320 p. [In Chinese.]
Zhang, Hongtao; Pei, Rongfu; and Wu, Liangshi, 1993, Evolution of the porphyry copper deposits from Proterozoic to Cenozoic Era in China, in International Geological Congress, 29th, Kyoto, Japan, August 24–September 3, 1992, Proceedings: Tokyo, Society of Resource Geology, Resource Geology Special Issue, no. 15, Mineral Resources Symposia Volume A, p. 55–65.