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Sulfur Isotope Geochemistry of the Xincheng Gold Deposit, Jiaodong: Constraints on the Material Source and Ore‐forming Environment
Author(s) -
ZHANG Chao,
DENG Jun,
YANG Liqiang,
WANG Zhongliang,
GUO Linnan,
LIU Yu,
ZHANG Liang,
LIU Yue,
LIU Xiangdong
Publication year - 2014
Publication title -
acta geologica sinica ‐ english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 61
eISSN - 1755-6724
pISSN - 1000-9515
DOI - 10.1111/1755-6724.12384_17
Subject(s) - beijing , china , geology , mineral resource classification , geochemistry , chinese academy of sciences , mining engineering , archaeology , geography
The Xincheng gold deposit, located at the Jiaodong peninsula currently the China’s most important gold producer in Southeast of the North China Craton (Deng et al., 2008, 2011; Yang et al., 2009, 2014), is hosted in the Early Cretaceous Guojialing granodiorite which was generated by partial melting of the metamorphosed basement rocks of the Jiaodong group (Wang et al., 2014a). Besides the Guojialing granodiorite, the granulite, which is one kind of metamorphic rocks of Jiaodong group, and felsic dikes were also developed in the deposit. Although the gold deposit is one of the typical altered-type gold deposits, not only disseminated-stockwork but also quartz vein styles of mineralization was developed. The disseminated-stockwork orebodies, constituted the bulk of gold of the deposit, are controlled by the Jiaojia fault, while the quartz vein orebodies, which are less common ore type, are controlled by the subsidiary faults of the Jiaojia fault. Based on the crosscutting relationships and mineral paragenesis, four mineralization stages in Xincheng gold deposit were identified, which contained pyrite-quartz-sericite stage (stage I), quartz-pyrite stage (stage II), quartz-polysulfide stage (stage III) and quartzcarbonate stage (stage IV) (Wang et al., 2014b).