Genesis of the Sinongduo Carbonate-hosted Pb-Zn-Ag Deposit in the Central Lhasa Terrane,Tibet

作     者：RAN Fengqin TANG Juxing YANG Zongyao DUO Ji REN Dongxing GUO Wenbo WU Xin HAO Jinyue HE Yifei SUN Yang RAN Fengqin;TANG Juxing;YANG Zongyao;DUO Ji;REN Dongxing;GUO Wenbo;WU Xin;HAO Jinyue;HE Yifei;SUN Yang

作者机构：College of Earth ScienceChengdu University of TechnologyChengdu 610059China MNR Key Laboratory of Metallogeny and Mineral AssessmentInstitute of Mineral ResourcesChinese Academy of Geological ScienceBeijing 100037China Chengdu Surveying Geotechnical Research Institute Co.Ltd.of MCCChengdu 610023China Chengdu Engineering Corporation LimitedPowerChinaChengdu 611130China New Energy Geology Team of the Hebei Coalfield Geology BureauXingtaiHebei 054000China 

出 版 物：《Acta Geologica Sinica(English Edition)》 (地质学报（英文版）)

年 卷 期：2023年第97卷第3期

页      面：759-776页

核心收录：

学科分类：081803[工学-地质工程] 08[工学] 0818[工学-地质资源与地质工程] 

基　　金：jointly supported by the National Key Research and Development Program of China(2022YFC2905001) the National Natural Science Foundation(42230813) 

主　　题：sulfur and lead isotopes sphalerite carbonate-hosted deposit Tibet India–Asia collision 

摘      要：The Sinongduo mining region includes two types of mineralizations:the epithermal and the carbonate-hosted PbZn-Ag *** being studied for many years,the ore formation process and genesis of the carbonate-hosted Pb-Zn-Ag deposits remain poorly *** Pb-Zn-Ag ore bodies occur as veins and are hosted by limestone and dolostone of the Permian Xiala *** sulfide mineralization substages have been identified at the Sinongduo carbonatehosted *** coupled with Cu,Co and Sn was incorporated into sphalerite as substitutions:2Zn^(2+)?Cu^(+)+In^(3+),(3n/2+1)Zn^(2+)?Co^(2+)+n In^(3+)or(2n+1)Zn^(2+)?Co^(2+)+n(Cu^(+)+In^(3+))(n1)and 4Zn^(2+)?Sn2++2In^(3+).Sphalerite and pyrite in the mineralization stage displayδ^(34)S values in a narrow range of+5.7‰to+11.3‰,which are similar to those of Palaeocene igneous rocks,indicative of a magmatic source of *** present systematic carbon-hydrogen-oxygen isotope results that further support a magmatic source for the ore-forming fluids that were influenced by meteoric ***,the Pb isotope compositions of sulfide minerals in the Sinongduo carbonate-hosted deposit overlap with the values of coeval Linzizong volcanic rocks and are similar to those of Indian Ocean sediments,indicating upper crustal sources of *** conclude that the Sinongduo carbonate-hosted Pb-Zn-Ag deposit is a medium-to low-temperature magmatic-hydrothermal deposit related to Linzizong magmatism.