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Malasongduo

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Porphyry copper deposit in Xizang, China

Names and other identifiers

GMRAP ID 461
Tract name Yulong (142pCu8710)
Site status deposit

Geographic location

Country China
State or province Xizang
Geographic location 98.016534, 30.998574
Geologic map unit 98.016534, 30.998574
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 36.9Ma
Age determination method U-Th-Pb zircon LA-ICP-MS
Age range 36.9 ±0.4 Ma (U-Th-Pb zircon LA-ICP-MS)
Age reference Liang and others (2005)
Minerals biotite, bornite, chalcopyrite, enargite, galena, hematite, magnetite, molybdenite, pyrite, sericite, sphalerite, tennantite/tetrahedrite, tongxinite [Cu2Zn], zeolite
Associated rocks monzogranite porphyry, syenogranite porphyry,andesite, andesite agglomerate,mudstone, rhyolite, sandstone
Tectonic setting postconvergence
Stratigraphic age Eocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Au
Tonnage (Mt) 338Mt
Cu grade (%) 0.45%
Mo grade (%) 0.014%
Au grade (g/t) 0.06g/t
Contained copper 1,500,000t
Gold-Moly ratio 4

Reference information

Comments Tibet. Yulong porphyry copper belt. Peripheral Ag-Pb-Zn mineralization. Development status: prospect is dormant (fully explored and awaiting development).
Study area name Tibetan Plateau
References Liang and others (2009); Fan (1984); Ge and others (1990); Gu and others (2003); Hou, Ma and others (2003); Hou and others (2006); Hou, Xie and others (2007); Hou, Zaw and others (2007); Liang and others (2006); Metal Mining Agency of Japan (1998); Mindat.org (2007b); Rui, Wang and Wang (2002b); Tang and Luo (1995); 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.)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.)
Ge Chaohua, Sun Haitian, and Zhou Taihe, 1990, Copper deposits of China, in Mineral deposits of China, v. 1: Beijing, Geological Publishing House, p. 1–106. [In Chinese.]
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; Zeng, Pusheng; Gao, Yongfeng; Du, Andao; and Fu, Deming, 2006, Himalayan Cu-Mo-Au mineralization in the eastern Indo-Asian collision zone—Constraints from Re-Os dating of molybdenite: Mineralium Deposita, v. 41, p. 33–45. (Also available at http://dx.doi.org/10.1007/s00126-005-0038-2.)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.)Hou, Zengqian; Xie, Yuling; Xu, Wenyi; Li, Yinqing; Zhu, Xlangkun; Zaw, Khin; Beaudoin, G.; Rui, Zongyao; Huang, Wei; and Luobu, Ciren, 2007, Yulong deposit, eastern Tibet—A high-sulfidation Cu-Au porphyry copper deposit in the eastern Indo-Asian collision zone: International Geology Review, v. 49, p. 235–258. (Also available at http://dx.doi.org/10.2747/0020-6814.49.3.235.)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.)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.)Liang HuaYing, Mo JiHai, Sun WeiDong, Zhang YuQuan, Zeng Ti, Hu GuangQian, and Allen, C.M., 2009, Study on geochemical composition and isotope ages of the Malasongduo porphyry associated with Cu-Mo mineralization: Acta Petrologica Sinica, v. 25, p. 385–392. [In Chinese, English abstract.] (Abstract also available at http://en.cnki.com.cn/Article_en/CJFDTotal-YSXB200902012.htm.)
Metal Mining Agency of Japan, 1998, Mineral Resources Map of Asia: Metal Mining Agency of Japan (MMAJ), 43 p., 1 sheet, scale 1:10,000,000.
Mindat.org, 2007b, Malasongduo Cu–Mo deposit, Jomdo Co. (Jiangda Co.), Qamdo prefecture (Changdu prefecture), Tibet autonomous region, China: Mindat.org, Mindat database, accessed December 18, 2013, at http://www.mindat.org/locdetailed-5793.html.
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.]