| 广西东平沉积锰矿地球化学特征及成矿物质来源研究 |
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| 引用本文： | 姚远,赖健清,唐一昂,张辰光.广西东平沉积锰矿地球化学特征及成矿物质来源研究[J].地质找矿论丛,2016,31(4):506-514. |
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| 作者姓名： | 姚远 赖健清 唐一昂 张辰光 |
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| 作者单位： | 中南大学地球科学与信息物理学院,长沙410083;中南大学有色金属成矿预测教育部重点实验室,长沙410083 |
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| 基金项目： | “十二五”科技支撑项目(2011BAB04B10) |
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| 摘 要： | 东平沉积锰矿为桂西南的一个中大型锰矿床,大地构造位置处于滇桂地洼系,主要的含矿层位是下三叠统北泗组,沉积相主要为浅海陆棚相。本文通过研究东平锰矿矿床地球化学特征,结合东平锰矿的岩相古地理、含锰岩系、矿石矿物等特征,阐明矿床成因及成矿物质来源。测试结果表明,含锰岩系富集Co、Ni、Ba、Sr、Ti、V等元素,w(Ba)/w(Sr)值在3~7之间,N(Fe)/N(Ti)、N(A1)/N(Al+Fe+Mn)值分别为6~59、0.26~0.66,w(Co)/w(Ni)值在0.4~1之间;w(ΣREE)为36.9×10~(-6)~774.1×10~(-6)之间,w(Nb)/w(Ta)值为9~22(平均13),w(Y)/w(Ho)值为26~35,HREE与LREE分馏不明显;微量元素的图解均显示成矿过程中有海底热液的加入,说明矿床的形成受稳定的大地构造环境与局部海底火山热液喷流活动的控制。
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| 关 键 词： | 东平锰矿 成矿物质来源 地球化学 沉积锰矿 广西 |
| 收稿时间： | 2015/10/19 0:00:00 |
Geochemistry characteristics and the ore material source of Dongping sedimentary manganese deposit in Guangxi |
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| YAO Yuan,LAI Jianqing,TANG Yiang and ZHANG Chenguang.Geochemistry characteristics and the ore material source of Dongping sedimentary manganese deposit in Guangxi[J].Contributions to Geology and Mineral Resources Research,2016,31(4):506-514. |
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| Authors: | YAO Yuan LAI Jianqing TANG Yiang and ZHANG Chenguang |
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| Institution: | School of Geoscience and Info-physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Changsha 410083, China;School of Geoscience and Info-physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Changsha 410083, China;School of Geoscience and Info-physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Changsha 410083, China;School of Geoscience and Info-physics, Central South University, Changsha 410083, China;Key Laboratory of Metallogenic Prediction of Nonferrous Metals, Ministry of Education, Changsha 410083, China |
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| Abstract: | |
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| Keywords: | Dongping manganese deposit ore source geochemistry sedimentary manganese deposit Guangxi |
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