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云南富盛铅锌矿床闪锌矿硫、铅、锌、镉同位素特征及其指示意义
许冲; 钟宏; 朱维光; 唐亮; 宋长顺; 罗光杰
2022
Source Publication矿物学报
Volume42Issue:6Pages:732-744
Abstract

富盛铅锌矿床位于川滇黔铅锌矿集区东南部,与富乐铅锌矿床(大型)邻近。矿体赋存于下二叠统茅口组(P1m)白云质灰岩或白云岩中,矿体形态为似层状和透镜状。矿物组合简单,主要为闪锌矿、方铅矿、黄铁矿、方解石和白云石。矿石构造主要为角砾状、块状、浸染状和脉状构造,矿石结构以半自形-自形粒状结构和半自形-他形粒状结构为主。富盛铅锌矿床的硫化物(方铅矿、闪锌矿)矿物的δ34S值变化范围为+9.2‰~+15.9‰;闪锌矿单矿物的206Pb/204Pb、207Pb/204Pb和208Pb/204Pb组成范围分别为:18.5637~18.6078、15.6887~15.6939和38.563~38.586;闪锌矿单矿物δ66Zn和δ114Cd值变化范围分别为:+0.09‰~+0.33‰和+0.07‰~+0.53‰。结合前人研究成果,本文得出以下结论:1)富盛铅锌矿床的硫主要来源于沉积地层中的蒸发岩或海水硫酸盐岩的热化学还原作用;2)富盛铅锌矿床的铅和锌主要来源于元古界基底地层,但不排除有少部分锌来源于震旦系-二叠系地层沉积岩;3)富盛铅锌矿床应属于MVT铅锌矿床,其矿床成因及成矿模式均可对比MVT铅锌矿床来解释。 还原

 

 

Keyword富盛铅锌矿床 S-pb-zn-cd同位素 成矿物质来源 川滇黔铅锌矿集区
DOI10.16461/j.cnki.1000-4734.2022.42.095
Indexed ByCSCD
Language中文
CSCD IDCSCD:7319304
Citation statistics
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/13351
Collection矿床地球化学国家重点实验室
Affiliation1.贵州师范学院地理与资源学院
2.贵州师范学院贵州省流域地理国情监测重点实验室
3.贵州师范学院贵州山地研究院
4.中国科学院地球化学研究所矿床地球化学国家重点实验室
Recommended Citation
GB/T 7714
许冲,钟宏,朱维光,等. 云南富盛铅锌矿床闪锌矿硫、铅、锌、镉同位素特征及其指示意义[J]. 矿物学报,2022,42(6):732-744.
APA 许冲,钟宏,朱维光,唐亮,宋长顺,&罗光杰.(2022).云南富盛铅锌矿床闪锌矿硫、铅、锌、镉同位素特征及其指示意义.矿物学报,42(6),732-744.
MLA 许冲,et al."云南富盛铅锌矿床闪锌矿硫、铅、锌、镉同位素特征及其指示意义".矿物学报 42.6(2022):732-744.
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