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Carbon-oxygen isotopes and rare earth elements as an exploration vector for Carlin-type gold deposits: A case study of the Shuiyindong gold deposit, Guizhou Province, SW China
Qin-Ping Tan;  Yong Xia;  Xueqiu Wang;  Zhuo-Jun Xie;  Dong-Tian Wei
2017
Source PublicationJournal of Asian Earth Sciences
Volume148Issue:1Pages:1-12
Abstract

The Shuiyindong gold deposit is a deeply concealed strata-bound Carlin-type deposit in southwestern Guizhou Province, China. The deposit lies on the eastern limb of the Huijiabao anticline with ores mainly along the anticline axis and hosted in bioclastic limestone, containing calcite veins, of the Permian Longtan Formation units. In this study, we measured carbon and oxygen isotopic ratios and rare earth element (REE) concentrations of the host rocks and calcite veins along a profile across the Shuiyindong deposit. Orebodies in the upper unit of ;the Longtan Formation have higher delta O-18 values (20.6-22.4 parts per thousand) and lower delta C-13 values (-3.7 to -0.5 parts per thousand) than the country rocks (delta O-18: 18.8-21.4 parts per thousand; delta C-13: -0.7 to 0.8 parts per thousand). However, there are no obvious trends of delta O-18 and delta C-13 values from the country rocks to the orebodies in the middle unit of the Longtan Formation. The spatial distribution of the calcite veins displays distinct halos of delta C-13 and delta O-18 values and REE concentrations. Calcite veins along the anticlinal axis and major reverse fault are enriched in Middle REE (Sm, Eu, Gd, and Tb) and O-18 and depleted in C-13. Surficial veining calcite-filled fractures/faults that connect to deep concealed strata-bound gold mineralization systems can be vectors toward deep ores in southwestern Guizhou Province, China.

KeywordShuiyindong Carlin-type Gold Deposit Carbon Isotope Oxygen Isotope Rare Earth Element
Indexed BySCI
Language中文
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/8021
Collection矿床地球化学国家重点实验室
Affiliation1.State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, Guizhou, China
2.Key Laboratory of Geochemical Exploration, Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, Hebei, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Qin-Ping Tan;Yong Xia;Xueqiu Wang;Zhuo-Jun Xie;Dong-Tian Wei. Carbon-oxygen isotopes and rare earth elements as an exploration vector for Carlin-type gold deposits: A case study of the Shuiyindong gold deposit, Guizhou Province, SW China[J]. Journal of Asian Earth Sciences,2017,148(1):1-12.
APA Qin-Ping Tan;Yong Xia;Xueqiu Wang;Zhuo-Jun Xie;Dong-Tian Wei.(2017).Carbon-oxygen isotopes and rare earth elements as an exploration vector for Carlin-type gold deposits: A case study of the Shuiyindong gold deposit, Guizhou Province, SW China.Journal of Asian Earth Sciences,148(1),1-12.
MLA Qin-Ping Tan;Yong Xia;Xueqiu Wang;Zhuo-Jun Xie;Dong-Tian Wei."Carbon-oxygen isotopes and rare earth elements as an exploration vector for Carlin-type gold deposits: A case study of the Shuiyindong gold deposit, Guizhou Province, SW China".Journal of Asian Earth Sciences 148.1(2017):1-12.
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