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Mineral chemistry and sources of fluid and sulfur at the Katbasu gold deposit in South Tianshan, NW China
Dong, Leilei1,2; Wan, Bo2,3; Deng, Chen2,3; Cai, Keda4,5
2020
Source PublicationORE GEOLOGY REVIEWS
ISSN0169-1368
Volume116Pages:12
AbstractKatbasu is a gold (and copper) deposit located in an arc on the southern margin of the Hi-Central Tianshan microcontinent. An in-situ method was conducted to acquire trace element concentrations to elucidate the origins and chemistry of the fluid in the Katbasu deposit. This included oxygen isotopes in quartz, as well as sulfur isotopes and trace elements concentrations in pyrite. Trace elements in gold deficient veins have higher concentrations compared to those in the gold bearing veins. The delta O-18 values of gold deficient veins are between 3.9 and 8.1 parts per thousand, which imply a magmatic oxygen isotope signature. In contrast, oxygen isotopes in gold bearing veins range between -1.3 and 5.8 parts per thousand, indicating the involvement of meteoric water in the mineralization system. This data, combined with evidence from alteration style and metal assemblages, shows that the ore-forming fluids at the Katbasu gold deposit is of a magmatic origin. The data also indicates that meteoric water diluted the magmatic fluid and caused an oversaturation of gold, causing precipitation of native gold grains. Trace elements in pyrite show no difference among the veins analyzed. However, they have distinctly different trace element patterns of pyrite from orogenic gold deposits. Based on the delta S-34 values of pyrite (8.3-12.9 parts per thousand), and the lack of coeval regional metamorphism, we conclude that the enriched S-34 at the Katbasu gold deposit is derived from a subducted slab during the Late Carboniferous.
KeywordSouth Tianshan Gold deposit Katbasu O-S isotopes
DOI10.1016/j.oregeorev.2019.103224
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs
WOS KeywordPALEOZOIC TECTONIC EVOLUTION ; TRACE-ELEMENT CONTENT ; MIDDLE TIEN-SHAN ; ISOTOPE GEOCHEMISTRY ; HYDROTHERMAL QUARTZ ; PORPHYRY DEPOSITS ; STABLE-ISOTOPE ; COPPER-DEPOSIT ; CU ; AU
Language英语
Funding ProjectNational Key R&D Program of China[2017YFC0601206] ; NSFC Programs[41672085] ; NSFC Programs[91855207] ; NSFC Programs[41888101] ; Chinese Academy of Sciences Programs[2013047] ; Chinese Academy of Sciences Programs[GJHZ1776]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; NSFC Programs ; NSFC Programs ; NSFC Programs ; NSFC Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs ; Chinese Academy of Sciences Programs
WOS Research AreaGeology ; Mineralogy ; Mining & Mineral Processing
WOS SubjectGeology ; Mineralogy ; Mining & Mineral Processing
WOS IDWOS:000512220700033
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95662
Collection岩石圈演化国家重点实验室
Corresponding AuthorWan, Bo
Affiliation1.Chinese Acad Geol Sci, Inst Geol, Key Lab Deep Earth Dynam, Beijing 100037, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China
5.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
First Author AffilicationState Key Laboratory of Lithospheric Evolution
Corresponding Author AffilicationState Key Laboratory of Lithospheric Evolution
Recommended Citation
GB/T 7714
Dong, Leilei,Wan, Bo,Deng, Chen,et al. Mineral chemistry and sources of fluid and sulfur at the Katbasu gold deposit in South Tianshan, NW China[J]. ORE GEOLOGY REVIEWS,2020,116:12.
APA Dong, Leilei,Wan, Bo,Deng, Chen,&Cai, Keda.(2020).Mineral chemistry and sources of fluid and sulfur at the Katbasu gold deposit in South Tianshan, NW China.ORE GEOLOGY REVIEWS,116,12.
MLA Dong, Leilei,et al."Mineral chemistry and sources of fluid and sulfur at the Katbasu gold deposit in South Tianshan, NW China".ORE GEOLOGY REVIEWS 116(2020):12.
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