Polygenetic compound mineralization of Tiekelike copper-lead-zinc deposit,Xinjiang
新疆铁克里克铜铅锌多金属矿床多因复成成矿作用
作者: ZHANG Chen-guangLAI Jian-qingCAO Yong-huaLIU Yin-mingYANG Jin-mingHAN Yong-shengKey Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education,School of Geoscience and Info-physics, Central South UniversityDepartment of Earth Sciences, University of Western OntarioXinjiang Institute of Geological Survey, China Non-Ferrous Metals Resource Geological Survey
刊名: The Chinese Journal of Nonferrous Metals, 2016(06), pp.1293-1302
中文刊名: 中国有色金属学报, 2016(06), pp.1293-1302
来源数据库: CJFDTEMP_U
DOI: CNKI:SUN:ZYXZ.0.2016-06-017
关键词: fluid inclusionssulfur and lead isotopepolygenetic compound depositTiekelike
中文关键词: 流体包裹体硫铅同位素多因复成矿床铁克里克
英文摘要: The Tiekelike copper-lead-zinc polymetallic deposit is located in Tarim Diwa region, Central Asian Crustobody. It has experienced several continental tectonic and metallogenic stages, and belongs to the significant copper-lead-zinc deposit in the Kusilapu mineralizing belt of West Kunlun. Based on analysis of the geologic settings of Tiekelike deposits, the fluid inclusions were systematically researched, the features of sulfur and lead isotopes were studied, and the characteristics of mineralization fluids and the sources of minerals were discussed. The results show that the δ~(34)(SCDT) values of ore minerals distribute widely(from +8.28×10~(-3) to-7.6×10~(-3)). The homogenization temperatures of the fluid inclusions vary from 103 ℃ to 284 ℃. The salinities range from 0.18% to...
中文摘要: 铁克里克铜铅锌多金属矿床位于中亚壳体塔里木地洼区,历经多期大地构造成矿阶段,是西昆仑地区库斯拉普成矿带上重要的铜铅锌矿床。在分析该矿床成矿地质条件的基础上,研究矿区流体包裹体以及硫、铅同位素组成特征,探讨成矿流体特征及成矿物质来源。矿区矿石硫样品δ~(34)(SCDT)值分布较宽(+8.2×10~(-3)~-7.6×10~(-3)),包裹体均一温度介于103~284℃,盐度介于0.18%~24.47%(NaCl),表明流体来源不是单一的,存在至少两种流体的混合。对各类型矿石铅同位素示踪研究表明:研究区矿石铅主要为壳幔混合的俯冲铅,主要成矿物质来源于赋矿围岩和下伏基底。研究认为,铁克里克矿床表现出多大地构造成矿阶段、多物质来源、多成矿作用等特点,为较典型的同生沉积-后期热液改造型多因复成矿床。
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