江苏栖霞山铅锌矿地质特征及成矿规律  

Geological Characteristics and Mineralization Regularity of Qixiashan Pb-Zn Deposit in Jiangsu

作　　者：张倩[1] 王芳[1] 刁谦 孟斐斯 ZHANG Qian;WANG Fang;DIAO Qian;MENG Fei-si(Basic Geological Exploration Co.,Ltd,East China Mineral Exploration and Development Bureau,Nanjing,210093,P.R.China;Deep Geological Exploration Co.,Ltd,East China Mineral Exploration and Development Bureau,Nanjing,210093,P.R.China;New Energy Exploration Co.,Ltd,East China Mineral Exploration and Development Bureau,Nanjing,210093,P.R.China)

机构地区：[1]江苏省有色金属华东地质勘查局江苏华东基础地质勘查有限公司,江苏南京210093 [2]江苏省有色金属华东地质勘查局江苏华东深部地质勘查有限公司,江苏南京210093 [3]江苏省有色金属华东地质勘查局江苏华东新能源勘探有限公司,江苏南京210093

出　　处：《南方金属》2022年第1期26-29,共4页Southern Metals

摘　　要：栖霞山铅锌矿是长江中下游地区最大的铅锌多金属矿床,其成矿物质来源的研究相对薄弱。文章通过对江苏栖霞山铅锌矿床硫化物硫同位素的研究发现,主要金属硫化物的δ34S值变化范围较窄,在-0.7‰~2.9‰,均值为0.8‰;表现出δ34S具有单一的峰值,且均值分布在0~2‰,表明其他组分的硫来源较少,具有岩浆硫特点。江苏栖霞山铅锌矿床硫同位素组成显示矿床成矿流体主要来源于岩浆硫,铅锌成矿作用主要形成于热液成矿阶段,与同生沉积期无关。The Qixiashan Pb-Zn deposit is the biggest Pb-Zn polymetallic deposit in the Yangtze River′s middle and lower sections,with little investigation into the source of its mineralizing material.In this paper,the sulfur isotopes of sulfides in the Qixiashan Pb-Zn deposit in Jiangsu province have been found to have a narrow range of variation inδ34S values for the major metal sulfides,with most of them located in the range of-0.7‰to 2.9‰and the mean value of 0.8‰;It also shows thatδ34S has a single peak and the mean value is distributed in the range of 0-2‰,indicating that the sulfur of other components is less in origin and has the characteristics of magmatic sulfur.The sulfur isotopic composition of the Qixiashan Pb-Zn deposit in Jiangsu suggests that the deposit′s mineralizing fluid is mostly magmatic sulfur,and that the Pb-Zn mineralization occurred primarily in the hydrothermal metallogenic stage,not the syngenetic sedimentary stage.

关 键 词：铅锌矿 硫同位素 热液硫 岩浆硫 江苏栖霞山 

分 类 号：P597[天文地球—地球化学] P618.4[天文地球—地质学]