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Porphyry to epithermal transition at the Rongna Cu-(Au) deposit, Tibet: Insights from H-O isotopes and fluid inclusion analysis
Zhang, Xia-Nan1,2,3; Li, Guang-Ming2,4; Qin, Ke-Zhang2,4,5; Lehmann, Bernd3; Li, Jin-Xiang6,7; Zhao, Jun-Xing2,4
2020-08-01
Source PublicationORE GEOLOGY REVIEWS
ISSN0169-1368
Volume123Pages:17
AbstractThe giant Rongna Cu-(Au) deposit is a recently discovered low-grade composite porphyry-high sulfidation epithermal system in the Duolong ore district of central Tibet. We present fluid inclusion petrography, micro-thermometry, stable isotope (H, O), and fluid-compositional data (LA-ICP-MS) to constrain the fluid evolution of the Rongna deposit. Hydrothermal quartz and muscovite formed in the porphyry stage yielded fluid values of 8.2 +/- 1.0 parts per thousand delta O-18(H2O), and -75 +/- 19 parts per thousand delta D-H2O (n = 13). Pyrophyllite, kaolinite, and dickite define the isotopic composition of the epithermal fluid (delta O-18(H2O) = 2.2-8.3 parts per thousand, delta D-H2O = - 87 similar to 45 parts per thousand). This epithermal fluid of lighter oxygen isotope and heavier hydrogen isotope composition still has a magmatic-hydrothermal signature and rules out any significant involvement of meteoric water. The very high concentration of Cu in fluid inclusions from epithermal veins and the common sulfide replacement features suggest that the epithermal mineralization may be partially related with the dissolution and re-precipitation of the porphyry-stage sulfides. Combined with fluid inclusion petrography and microthermo-metric data, it is indicated that a single-phase fluid exsolved from magma at depth and underwent boiling and cooling, forming the porphyry alteration and mineralization. With decrease of temperature and pressure, the ascending vapor contracted into acid aqueous fluid, leaching downward to develop the telescoped high-sulfidation epithermal alteration and mineralization.
KeywordPorphyry-high sulfidation epithermal deposit Fluid evolution H-O isotopes Fluid inclusion composition Rongna Tibet
DOI10.1016/j.oregeorev.2020.103585
Funding OrganizationSecond Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD)
WOS KeywordFEMTOSECOND LASER-ABLATION ; CU-AU DEPOSIT ; LA-ICP-MS ; MAGMATIC-HYDROTHERMAL FLUIDS ; NUJIANG METALLOGENIC BELT ; COPPER-MOLYBDENUM DEPOSIT ; U-PB AGES ; HYDROGEN ISOTOPE ; FUJIAN PROVINCE ; TECTONIC EVOLUTION
Language英语
Funding ProjectSecond Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0806] ; Natural Science Foundation Project[41472074] ; Natural Science Foundation Project[41672091] ; East China University of Technology[DHBK2019280] ; State Key Laboratory of Nuclear Resources and Environment[Z1908] ; University of the Chinese Academy of Sciences[UCAS[2015]37] ; Deutscher Akademischer Austausch Dienst (DAAD)[UCAS[2015]37]
Funding OrganizationSecond Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; Natural Science Foundation Project ; East China University of Technology ; East China University of Technology ; East China University of Technology ; East China University of Technology ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; State Key Laboratory of Nuclear Resources and Environment ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; University of the Chinese Academy of Sciences ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD) ; Deutscher Akademischer Austausch Dienst (DAAD)
WOS Research AreaGeology ; Mineralogy ; Mining & Mineral Processing
WOS SubjectGeology ; Mineralogy ; Mining & Mineral Processing
WOS IDWOS:000540196600010
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96890
Collection矿产资源研究院重点实验室
Corresponding AuthorZhang, Xia-Nan; Li, Guang-Ming
Affiliation1.East China Univ Technol, State Key Lab Nucl Resources & Environm, Nanchang 330013, Jiangxi, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
3.Tech Univ Clausthal, Mineral Resources, Adolph Roemer Str 2A, D-38678 Clausthal Zellerfeld, Germany
4.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
6.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100085, Peoples R China
7.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100085, Peoples R China
First Author AffilicationKey Laboratory of Mineral Resources, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Mineral Resources, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Xia-Nan,Li, Guang-Ming,Qin, Ke-Zhang,et al. Porphyry to epithermal transition at the Rongna Cu-(Au) deposit, Tibet: Insights from H-O isotopes and fluid inclusion analysis[J]. ORE GEOLOGY REVIEWS,2020,123:17.
APA Zhang, Xia-Nan,Li, Guang-Ming,Qin, Ke-Zhang,Lehmann, Bernd,Li, Jin-Xiang,&Zhao, Jun-Xing.(2020).Porphyry to epithermal transition at the Rongna Cu-(Au) deposit, Tibet: Insights from H-O isotopes and fluid inclusion analysis.ORE GEOLOGY REVIEWS,123,17.
MLA Zhang, Xia-Nan,et al."Porphyry to epithermal transition at the Rongna Cu-(Au) deposit, Tibet: Insights from H-O isotopes and fluid inclusion analysis".ORE GEOLOGY REVIEWS 123(2020):17.
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