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Re-Os and U-Pb geochronology for the Xiaorequanzi VMS deposit in the Eastern Tianshan, NW China: Constraints on the timing of mineralization and stratigraphy
Mao, Qigui1; Wang, Jingbin1; Yu, Mingjie1; Ao, Songjian2; Deng, Xiaohua1; Lu, Xiaoqiang1; Li, Yuechen1
2020-07-01
Source PublicationORE GEOLOGY REVIEWS
ISSN0169-1368
Volume122Pages:14
AbstractThe Xiaoriquanzi volcanogenic massive sulfide (VMS) Cu-Zn deposit occurs at the western part of the Paleozoic Dananhu-Haerlik arc in the eastern Tianshan, Xinjiang, China. Due to a lack of precise mineralization ages, the metallogenesis of the deposit has long been debated. In this study, systematic geochronological methods are used to constrain the mineralization age of the deposit. The deposit is hosted in the Xiaorequanzi Formation volcanic-sedimentary rocks. The orebodies occur as clusters of lenticular bodies with or without banding, and they are controlled by the NW-trending acticline. The ore types contain massive, banded, laminated and chlorite-enriched ores as well as vein-type, veinlet-dissemination and dissemination ores. In this study, Re-Os dating of the chalcopyrite from the Xiaorequanzi deposit yields an isochron age of 354 +/- 11 Ma and initial Os-187/Os-188 ratios of 0.39 +/- 0.14, which is consistent with the zircon U-Pb ages of ore-hosted tuff sandstone and dacite at 357.3 +/- 2.4 Ma and 359.5 +/- 3.4 Ma, respectively. Zircon U-Pb dating reveals that the mineralized granite porphyry formed at 354.7 +/- 3.2 Ma, and this age is similar to the exhalative syn-sedimentary mineralization age (354 +/- 11 Ma). Thus, precise geochronologic studies reveal that the seafloor volcanic hydrothermal system formed exhalative syn-sedimentary mineralization in the local extensional basin of the Dananhu-Haerlik arc during the Early Carboniferous (354-357 Ma). From Early Silurian to Carboniferous, two epochs VMS and porphyry deposits alternately formed in Dananhu-Haerlik long-lived arc. This reveals complicated arcs-basins tectonic transformation at the island arc setting.
KeywordXiaorequanzi Cu-Zn deposit VMS deposit Early carboniferous Arc extension Eastern Tianshan
DOI10.1016/j.oregeorev.2020.103473
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project
WOS KeywordMASSIVE SULFIDE DEPOSITS ; ALTAY OROGENIC BELT ; NORTHWEST CHINA ; CONTINENTAL GROWTH ; NORTHERN XINJIANG ; GEOLOGICAL SIGNIFICANCE ; TECTONIC EVOLUTION ; COPPER-DEPOSITS ; HF ISOTOPES ; GEOCHEMISTRY
Language英语
Funding ProjectNational Key R&D Program of China[2017YFC0601201] ; Chinese National Basic Research 973 Program[2014CB440803] ; Ministry of Land and Resources of China[201411026] ; Chinese Geological Survey Project[DD20160071]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project ; National Key R&D Program of China ; National Key R&D Program of China ; Chinese National Basic Research 973 Program ; Chinese National Basic Research 973 Program ; Ministry of Land and Resources of China ; Ministry of Land and Resources of China ; Chinese Geological Survey Project ; Chinese Geological Survey Project
WOS Research AreaGeology ; Mineralogy ; Mining & Mineral Processing
WOS SubjectGeology ; Mineralogy ; Mining & Mineral Processing
WOS IDWOS:000537805900002
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96645
Collection岩石圈演化国家重点实验室
Corresponding AuthorMao, Qigui
Affiliation1.Beijing Inst Geol Mineral Resources, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Mao, Qigui,Wang, Jingbin,Yu, Mingjie,et al. Re-Os and U-Pb geochronology for the Xiaorequanzi VMS deposit in the Eastern Tianshan, NW China: Constraints on the timing of mineralization and stratigraphy[J]. ORE GEOLOGY REVIEWS,2020,122:14.
APA Mao, Qigui.,Wang, Jingbin.,Yu, Mingjie.,Ao, Songjian.,Deng, Xiaohua.,...&Li, Yuechen.(2020).Re-Os and U-Pb geochronology for the Xiaorequanzi VMS deposit in the Eastern Tianshan, NW China: Constraints on the timing of mineralization and stratigraphy.ORE GEOLOGY REVIEWS,122,14.
MLA Mao, Qigui,et al."Re-Os and U-Pb geochronology for the Xiaorequanzi VMS deposit in the Eastern Tianshan, NW China: Constraints on the timing of mineralization and stratigraphy".ORE GEOLOGY REVIEWS 122(2020):14.
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