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Auriferous Quartz Veining Due to CO2 Content Variations and Decompressional Cooling, Revealed by Quartz Solubility, SEM-CL and Fluid Inclusion Analyses (The Linglong Goldfield, Jiaodong)
Wei, Qing1,2; Fan, Hongrui3,4; Pironon, Jacques5; Liu, Xuan5
2020-05-01
Source PublicationMINERALS
Volume10Issue:5Pages:24
AbstractQuartz is the most common gangue mineral in hydrothermal veins. Coupled with capacities of hosting fluid inclusions and recording varieties of microtextures, its solubility behavior may provide unparalleled insights into hydrothermal processes. In this study, the Linglong goldfield in Jiaodong is targeted to investigate gold-producing quartz veining process. Scanning electron microscope (SEM)-cathodoluminescence (CL) imaging uncovered three episodes of quartz deposition, intervened by an episode of quartz dissolution. Based on newly-developed quartz solubility diagrams and CL-aided fluid inclusion microthermometry, it is proposed that precipitation of the earliest quartz (Qz1) was controlled by CO2 content increase and subordinately affected by decompressional cooling, leading to the formation of the early thick gold-barren veins (V1); the second generation of quartz (Qz2a) was formed by the same fluids that may have been diluted and cooled by meteoric water, leading to a greatly reduced quantity of quartz and the deposition of pyrite and gold; and the third generation of quartz (Qz2b) was deposited along with polymetallic sulfides, due to fluid cooling following a quartz dissolution event likely induced by cooling in retrograde solubility region and/or CO2 content decrease. This research may elucidate gold formation processes in orogenic intrusion-related deposits, and points to imperative CL-based in situ analyses for future studies.
Keywordmineral solubility hydrothermal veins Jiaodong gold fluid overprint
DOI10.3390/min10050417
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot)
WOS KeywordNORTH CHINA CRATON ; MESOZOIC GOLD MINERALIZATION ; ORE-FORMING FLUIDS ; TRACE-ELEMENTS ; SANSHANDAO DEPOSIT ; PREDICTIVE MODEL ; MO DEPOSIT ; CATHODOLUMINESCENCE ; PORPHYRY ; METALLOGENESIS
Language英语
Funding ProjectNational Natural Science Foundation of China[41602073] ; National Natural Science Foundation of China[41802084] ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences[201707] ; Extra & Co project (Valorisation-Instituts Carnot)[ANR-15-CNRT-003]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; State Key Laboratory of Ore Deposit Geochemistry Foundation of Institute of Geochemistry, Chinese Academy of Sciences ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot) ; Extra & Co project (Valorisation-Instituts Carnot)
WOS Research AreaMineralogy ; Mining & Mineral Processing
WOS SubjectMineralogy ; Mining & Mineral Processing
WOS IDWOS:000548343700032
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/97197
Collection矿产资源研究院重点实验室
Corresponding AuthorFan, Hongrui; Liu, Xuan
Affiliation1.China Earthquake Adm, Inst Crustal Dynam, Beijing 100085, Peoples R China
2.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550081, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
5.Univ Lorraine, GeoRessources, CREGU, CNRS, F-54000 Nancy, France
Corresponding Author AffilicationKey Laboratory of Mineral Resources, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wei, Qing,Fan, Hongrui,Pironon, Jacques,et al. Auriferous Quartz Veining Due to CO2 Content Variations and Decompressional Cooling, Revealed by Quartz Solubility, SEM-CL and Fluid Inclusion Analyses (The Linglong Goldfield, Jiaodong)[J]. MINERALS,2020,10(5):24.
APA Wei, Qing,Fan, Hongrui,Pironon, Jacques,&Liu, Xuan.(2020).Auriferous Quartz Veining Due to CO2 Content Variations and Decompressional Cooling, Revealed by Quartz Solubility, SEM-CL and Fluid Inclusion Analyses (The Linglong Goldfield, Jiaodong).MINERALS,10(5),24.
MLA Wei, Qing,et al."Auriferous Quartz Veining Due to CO2 Content Variations and Decompressional Cooling, Revealed by Quartz Solubility, SEM-CL and Fluid Inclusion Analyses (The Linglong Goldfield, Jiaodong)".MINERALS 10.5(2020):24.
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