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Pulsed exsolution of magmatic ore-forming fluids in tin-tungsten systems: a SIMS cassiterite oxygen isotope record
Li, Yang1; Zhang, Rong-Qing2; He, Sheng3; Chiaradia, Massimo4; Li, Xian-Hua1
2022-01-16
Source PublicationMINERALIUM DEPOSITA
ISSN0026-4598
Pages10
AbstractY Utilizing in situ oxygen isotope analysis, we demonstrate the potential of cassiterite as a robust recorder of fluid source and evolution. Cassiterite is an ore mineral, and its mineral-water oxygen isotope fractionation factor is only weakly temperature-dependent. Unlike most explored gangue minerals such as quartz, cassiterite can provide a direct and robust archive of ore-forming fluids, e.g., fluid oxygen isotope composition (delta O-18 values). Core and rim domains of a representative cassiterite crystal from the Piaotang tin-tungsten (Sn-W) deposit, China, are characterized by contrasting delta O-18 values. Cassiterite delta O-18 values are -2.14 +/- 0.41 parts per thousand for the core and 2.36 +/- 0.36 parts per thousand for the rim, which equate to fluid delta O-18 values of similar to 4.1 parts per thousand (core) and similar to 8.6 parts per thousand (rim). Additionally, the cassiterite rim is enriched in niobium (Nb) and tantalum (Ta) compared to the mineral core. The delta O-18, and Nb and Ta data are interpreted to reflect core to rim crystallization from distinct pulses of magmatic-hydrothermal fluids that possessed a discrete oxygen isotopic, and Nb and Ta composition. Such a pulsed process could be a common feature for Sn-W deposits, and is critical to the formation of giant deposits with high metal grades. Involvement of meteoric water associated with the first mineralization stage reaches similar to 33%, but is limited (similar to 7%) in the second (main) mineralization stage. Therefore, cooling induced by fluid mixing may not be necessary for tin deposition, and our new findings invite a reassessment of the role of meteoric water in other Sn-W deposits. Our petrologic modelling shows that fluids exsolved from a 10 - 15 km(3) parental granitic magma can yield the Sn-W endowments recorded at Piaotang. Further, during magma fractionation, Sn and W are preferentially transferred into fluids compared to Nb and Ta. As a consequence, fluid chemistry is the primary factor controlling metal endowment and zoning in W-Sn deposits, as observed at Piaotang, and explains the predominant magmatic origin of Nb-Ta deposits.
KeywordSource and evolution Fluid mixing Magma differentiation Fluid saturation Metal endowment and zoning
DOI10.1007/s00126-022-01093-4
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars
WOS KeywordAQUEOUS FLUID ; JIANGXI ; DEPOSIT ; SN ; MELT ; CU ; MINERALIZATION ; FRACTIONATION ; GRANITOIDS ; SCHEELITE
Language英语
Funding ProjectNational Key Research and Development Program of China[2018YFA0702600] ; National Natural Science Foundation of China[42022022] ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars[QNYC2019-2]
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; Pioneer Hundred Talents Program of Chinese Academy of Sciences ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars ; CNNC Science Fund for Talented Young Scholars
WOS Research AreaGeochemistry & Geophysics ; Mineralogy
WOS SubjectGeochemistry & Geophysics ; Mineralogy
WOS IDWOS:000743729800001
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/103988
Collection岩石圈演化国家重点实验室
Corresponding AuthorLi, Yang
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210023, Peoples R China
3.China Natl Nucl Corp, Beijing Res Inst Uranium Geol, Beijing 100029, Peoples R China
4.Univ Geneva, Dept Earth Sci, Rue Maraichers 13, CH-1205 Geneva, Switzerland
First Author AffilicationState Key Laboratory of Lithospheric Evolution
Corresponding Author AffilicationState Key Laboratory of Lithospheric Evolution
Recommended Citation
GB/T 7714
Li, Yang,Zhang, Rong-Qing,He, Sheng,et al. Pulsed exsolution of magmatic ore-forming fluids in tin-tungsten systems: a SIMS cassiterite oxygen isotope record[J]. MINERALIUM DEPOSITA,2022:10.
APA Li, Yang,Zhang, Rong-Qing,He, Sheng,Chiaradia, Massimo,&Li, Xian-Hua.(2022).Pulsed exsolution of magmatic ore-forming fluids in tin-tungsten systems: a SIMS cassiterite oxygen isotope record.MINERALIUM DEPOSITA,10.
MLA Li, Yang,et al."Pulsed exsolution of magmatic ore-forming fluids in tin-tungsten systems: a SIMS cassiterite oxygen isotope record".MINERALIUM DEPOSITA (2022):10.
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