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Lamasu

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Porphyry copper prospect in Xinjiang, China

Names and other identifiers

GMRAP ID 1012
Tract name Kazakh-Tarim (142pCu8505)
Site status prospect

Geographic location

Country China
State or province Xinjiang
Geographic location 80.9754, 44.6736
Geologic map unit 80.9754, 44.6736
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 366Ma
Age determination method U-Pb zircon LA-ICP-MS
Age range 366 ±3 Ma
Age reference Tang and others (2010)
Associated rocks monzogranite porphryry, plagiogranite, granodiorite porphyry, diorite porphyry, diabase
Tectonic setting island arc
Stratigraphic age Late Devonian

Commodity and development information

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

Reference information

Comments Resource of >1 Mt metal at grades of 0.3–3.7% Cu and 0.6–0.7% Zn. Sr and Nd isotopes suggest continental arc setting. Most mineralized rock is skarn.
Study area name Central Asian Orogenic Belt
References Zhang, Wang, Wang and Zuo (2008); Zhang, Zhang and others (2010); Tang, Wang, Wyman and others (2010); Lui and others (2005)
Site reference Mihalasky, Ludington, Hammarstrom, and others (2015)
Lui Dequan, Tang Yanling, and Zhou Ruhong, 2005, Copper deposits and nickel deposits in Xinjiang, China: Geological Publishing House, 360 p. [In Chinese.]
Tang, Gong-Jian; Wang, Qiang; Wyman, D.A.; Sun, Min; Li, Zheng-Xiang; Zhao, Zhen-Hua; Sun, Wei-Dong; Jia, Xiao-Hui; and Jiang, Zi-Qi, 2010, Geochronology and geochemistry of Late Paleozoic magmatic rocks in the Lamasu-Dabate area, northwestern Tianshan (west China)—Evidence for a tectonic transition from arc to post-collisional setting: Lithos, v. 119, p. 393–411. (Also available at http://dx.doi.org/10.1016/j.lithos.2010.07.010.)Zhang Zuoheng, Wang Zhiliang, Wang Longsheng, and Zuo Guochao, 2008, Metallogenic epoch and ore forming environment of the Lamasu skarn-porphyritic Cu-Zn deposit, western Tianshan, Xinjiang, NW China: Acta Geologica Sinica (English edition), v. 82, no. 4, p.731–740. [In Chinese, English abstract.] (Also available at http://dx.doi.org/10.1111/j.1755-6724.2008.tb00625.x.)Zhang, Dongyang; Zhang, Zhaochong; Xue, Chunji; Zhao, Zhidan; and Liu, Junlai, 2010, Geochronology and geochemistry of the ore-forming porphyries in the Lailisigao’er-Lamasu region of the western Tianshan Mountains, Xinjiang, NW China—Implications for petrogenesis, metallogenesis, and tectonic setting: Journal of Geology, v. 118, p. 543–563. (Also available at http://www.cugb.edu.cn/upload/20600/papers_upload/news_20115516914.pdf and at http://dx.doi.org/10.1086/655013.)