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The Laqiong Sb-Au deposit: Implications for polymetallic mineral systems in the Tethys-Himalayan zone of southern Tibet, China
Cao, Hua-Wen1; Zou, Hao2,3; Bagas, Leon4,5; Zhang, Lin-Kui1; Zhang, Zhi1; Li, Zhong-Quan2
2019-08-01
Source PublicationGONDWANA RESEARCH
ISSN1342-937X
Volume72Pages:83-96
AbstractThe Himalayan mineral field includes over 50 quartz-vein type Sb-Au deposits, and placer Au deposits.The poorly documented Lagiong deposit is a typical example of quartz-vein type Sb-Au mineralisation in Tethys Himalayan sequence. The orebody are controlled by shallow north-dipping normal faults and north-south trending faults. Magmatic zircons extracted from muscovitic leucocratic granite from the southern part of the Laqiong mine area yield a Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry U-Pb age of 14 +/- 1 Ma (n = 12, MSWD = 0.9) that is similar to the Ar-40/Ar-39 age of ca. 14 Ma from hydrothermal sericite in auriferous sulphide-quartz veins. The epsilon(Hf)(t) values for the magmatic zircon rims range from -5.4 to -1.9, corresponding to two-stage Hf model ages of 1403-1214 Ma. Quartz from the mineralised veins has delta O-18(H2O-SMOW) values varying from +4.97 to +9.59 parts per thousand and delta DH2O-SMOW values ranging from -119.7 to -108.1 parts per thousand. The delta C-13(V-PDB) values for calcite from the ore Stage III range from -6.9 to -5.3 parts per thousand, and calcite from Stage IV are -3.5 to -1.7 parts per thousand. The delta O-18(V-SMOW) values for calcite from Stage Blare +20.3 to +20.6 parts per thousand and for Stage IV are -63 to -4.9 parts per thousand. The stibnite and pyrite samples have Pb-208/ Pb-204 ratios of 38.158 to 39.02, Pb-20(7)/ Pb-204 ratios of 15.554 to 15.698, and Pb-206/Pb-204 ratios of 17.819 to 18.681, and bulk and in-situ delta S-34(V-CDT) values for stibnite, arsenopyrite and pyrite range from -1.1 to +2.3 parts per thousand The calcite from the orebodies are enriched in MREE and depleted in LREE and HREE. Fieldwork, petrological, and geochemical data collected during our study leads to the following salient findings: the mineralising fluid is a mix of magmatic and meteoric fluids: and the deposit is closely related to the emplacement of Miocene granites originating from a thickened continental crust. (C) 2019 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
KeywordLaqiong Sb-Au deposit U-Pb zircon age Ar-Ar age C-H-O-Pb-S isotope Tethys-Himalayan zone
DOI10.1016/j.gr.2019.02.010
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province
WOS KeywordINDIA-ASIA COLLISION ; OROGENIC GOLD DEPOSIT ; ORE-FORMING FLUID ; CENOZOIC TECTONIC EVOLUTION ; TRACE-ELEMENT COMPOSITION ; MALASHAN GNEISS DOME ; RARE-EARTH-ELEMENTS ; METALLOGENIC MECHANISM ; DETACHMENT SYSTEM ; ISOTOPE GEOCHEMISTRY
Language英语
Funding ProjectNational Key R&D Program of China[2016YFC0600308] ; National Key R&D Program of China[2018YFC0604103] ; National Natural Science Foundation of China[41702108] ; National Natural Science Foundation of China[41802095] ; National Natural Science Foundation of China[41672196] ; National Natural Science Foundation of China[41741004] ; China Scholarship Council[201608515058] ; Major cultivating project of Education Department of Sichuan Province[2018CZ0009]
Funding OrganizationNational Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Scholarship Council ; China Scholarship Council ; Major cultivating project of Education Department of Sichuan Province ; Major cultivating project of Education Department of Sichuan Province
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000486981600006
PublisherELSEVIER
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93704
Collection岩石圈演化国家重点实验室
Corresponding AuthorZou, Hao
Affiliation1.China Geol Survey, Chengdu Ctr, Chengdu 610081, Sichuan, Peoples R China
2.Chengdu Univ Technol, Minist Land & Resources, Key Lab Tecton Controls Mineralisat & Hydrocarbon, Chengdu 610059, Sichuan, Peoples R China
3.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing 100029, Peoples R China
4.CAGS, MLR Key Lab Metallogeny & Mineral Assessment, Inst Mineral Resources, Beijing 100037, Peoples R China
5.Univ Western Australia, Ctr Explorat Targeting, 35 Stirling Highway, Crawley, WA 6009, Australia
Recommended Citation
GB/T 7714
Cao, Hua-Wen,Zou, Hao,Bagas, Leon,et al. The Laqiong Sb-Au deposit: Implications for polymetallic mineral systems in the Tethys-Himalayan zone of southern Tibet, China[J]. GONDWANA RESEARCH,2019,72:83-96.
APA Cao, Hua-Wen,Zou, Hao,Bagas, Leon,Zhang, Lin-Kui,Zhang, Zhi,&Li, Zhong-Quan.(2019).The Laqiong Sb-Au deposit: Implications for polymetallic mineral systems in the Tethys-Himalayan zone of southern Tibet, China.GONDWANA RESEARCH,72,83-96.
MLA Cao, Hua-Wen,et al."The Laqiong Sb-Au deposit: Implications for polymetallic mineral systems in the Tethys-Himalayan zone of southern Tibet, China".GONDWANA RESEARCH 72(2019):83-96.
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