Xiaoxinancha

Porphyry copper prospect in Jilin, China

Names and other identifiers

GMRAP ID 1019
Tract name Manchuride (142pCu8509)
Site status prospect

Geographic location

Country China
State or province Jilin
Geographic location 130.884994507, 43.213298798
Geologic map unit 130.884994507, 43.213298798
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 111.1Ma
Age determination method Re-Os molybdenite
Age range 111.1 ±3.1 Ma
Age reference Ren and others (2010)
Minerals bornite, chalcopyrite, covellite, gold, electrum, hessite, marcasite, molybdenite, pyrite
Associated rocks diorite
Tectonic setting postconvergence
Stratigraphic age Early Cretaceous

Commodity and development information

Development status Producer
Major commodities Cu, Au, Ag
Minor commodities Mo
Gold-Moly ratio -9999

Reference information

Comments Believed to be subduction-related; Sun and others (2008) give U-Pb date of source diorite pluton as 112 Ma. Grades of 0.63 to 0.8% Cu, 3.64 to 3.8 g/t Au, and 6.8 to 16.8 g/t Ag; mining in enriched chalcocite blanket; tonnage not available. Mining. Significant prospect.
Study area name East Asia Mesozoic
References Pei and others (2003); Sun and others (2008); Mindat.org (2011b); Ge and others (2010); So and others (2002); Ren and others (2010)
Site reference Ludington, Mihalasky, and others (2012)
Ge Yuhui, Zhao Hualei, Lei En, Wang Hui, and Wang Xi, 2010, Characteristics of fluid inclusion in lode molybdenum mineralization and its geological significance in Xiaoxinancha copper-gold deposit: Gold Geology, v. 10, no. 31, p. 17–21. [In Chinese, English summary.]
Mindat.org, 2011b, Xiaoxinancha (Shuguang) Cu-(Au) deposit, Xiaoxinancha, Hunchun Co., Yanbian Chaoxianzu Autonomous Prefecture, Jilin Province (Manchuria, Dongbei region), China: Mindat.org, Mindat database, accessed December 17, 2013, at http://www.mindat.org/loc-143673.html.
Pei Rongfu, and others, 2003, The evolution of metal metallogenetic provinces and mineralized chronology in China: Beijing, Geological Publishing House. [In Chinese.]
Ren, Yun-Sheng; Zhao, Hua-Lei; and Wang, Hui, 2010, Geochronology of the Xiaoxinancha Cu-Au deposit in NE China—Insights from molybdenite Re-Os dating [abs.]: 2010 Goldschmidt Conference, p. A861. (Also available at http://goldschmidt.info/2010/abstracts/finalPDFs/A861.pdf.)So, Chil-Sup; Jin, Bai-Lu; Yun, Seong-Taek; Heo, Chul-Ho; and Youm, Seung-Jun, 2002, Alteration and mineralization in the Xiaoxinancha porphyry copper deposit, Yianbin, China—Fluid inclusion and sulfur isotope study: Korean Society of Economic and Environmental Geology, v. 35, no. 3, p. 211–220. (Also available at http://ocean.kisti.re.kr/downfile/volume/kseeg/JOHGB2/2002/v35n3/JOHGB2_2002_v35n3_211.pdf.)Sun JingGui, Zhao JunKang, Chen JunQiang, Keisuke Nagao, Hirochika Sumino, Shen Kun, Men LanJing, and Chen Lei, 2008, Ore-forming mechanism for the Xiaoxinancha Au-rich Cu deposit in Yanbian, Jilin Province, China—Evidence from noble gas isotope geochemistry of fluid inclusions in minerals: Science in China, Series D (Earth Sciences), v. 51, p. 216–228. (Also available at http://dx.doi.org/10.1007/s11430-008-0005-8.)