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Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance
Dong, Leilei1,2; Wan, Bo1,2,3; Yang, Weizhong4; Deng, Chen1,2; Chen, Zhenyu1,2; Yang, Lei1,2; Cai, Keda5; Xiao, Wenjiao1,2,3,5
2018-09-01
Source PublicationORE GEOLOGY REVIEWS
ISSN0169-1368
Volume100Pages:99-110
AbstractThe newly discovered Katbasu gold deposit in the South Tianshan region has a gold reserve of 76 t at an average grade of 3.84 g/t. It is the first large gold deposit in the central segment of the South Tianshan. Gold mineralization is hosted within granite, and is associated with potassic, phyllic and chloritic alteration. Gold-bearing pyrite occurs as disseminations in the host rock and as quartz-sulfide veins cross-cutting the potassic and phyllic alteration assemblage. Rubidium (Rb) - strontium (Sr) analyses on sericite within five individual pyrite grains from a phyllic alteration sample yield an isochron age of 322.5 +/- 6.8 Ma (MSWD = 3.2). The host granite has a SIMS U-Pb zircon age of 351.4 +/- 1.1 Ma (MSWD = 0.13). The Rb-Sr isochron age represents the mineralizing age of the Katbasu gold deposit, which significantly postdates the ore-hosting granite but is consistent with the age of regional porphyry type mineralization at similar to 320 Ma in the South Tianshan. Discovery of the Katbasu gold deposits indicates huge potential for gold exploration in the central segment of the South Tianshan as it is geologically similar to the western and eastern segments of the South Tianshan, which both host many world-class gold deposits. (C) 2016 Elsevier B.V. All rights reserved.
KeywordWest Tianshan Au deposit Late Carboniferous Rb-Sr Pyrite
DOI10.1016/j.oregeorev.2016.10.030
Funding OrganizationNational Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
WOS KeywordPALEOZOIC TECTONIC EVOLUTION ; NW CHINA ; WESTERN TIANSHAN ; OROGENIC GOLD ; TECTONOMAGMATIC SETTINGS ; NORTHWESTERN CHINA ; EASTERN TIANSHAN ; TRACE-ELEMENT ; ORE-DEPOSITS ; CU DEPOSIT
Language英语
Funding ProjectNational Basic Research Program of China[2014CB448000] ; National Science Foundation of China[41390445] ; National Science Foundation of China[41672085] ; Youth Innovation Promotion Association CAS[2013047]
Funding OrganizationNational Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; National Basic Research Program of China ; National Basic Research Program of China ; National Science Foundation of China ; National Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
WOS Research AreaGeology ; Mineralogy ; Mining & Mineral Processing
WOS SubjectGeology ; Mineralogy ; Mining & Mineral Processing
WOS IDWOS:000446285100007
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/89169
Collection岩石圈演化国家重点实验室
Corresponding AuthorWan, Bo
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Xinjiang Bur Geol & Mineral Explorat & Min, Geol Survey Party 1, Urumqi 830011, Peoples R China
5.Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Dong, Leilei,Wan, Bo,Yang, Weizhong,et al. Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance[J]. ORE GEOLOGY REVIEWS,2018,100:99-110.
APA Dong, Leilei.,Wan, Bo.,Yang, Weizhong.,Deng, Chen.,Chen, Zhenyu.,...&Xiao, Wenjiao.(2018).Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance.ORE GEOLOGY REVIEWS,100,99-110.
MLA Dong, Leilei,et al."Rb-Sr geochronology of single gold-bearing pyrite grains from the Katbasu gold deposit in the South Tianshan, China and its geological significance".ORE GEOLOGY REVIEWS 100(2018):99-110.
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