摘要
赣南素有“世界钨都”之称，而龙南-定南-全南（简称“三南”）地区是世界钨都中的重要钨铋成矿区，钨铋成矿与三南地区广布的泥盆纪地层密不可分；由此本文通过对三南地区的泥盆系的微量元素的分布及其丰度、以及W、Bi等成矿元素在不同岩性中的丰度等进行了初步分析与讨论，认为W成矿元素在泥盆系中丰度仅次于寒武纪地层，高于其它地层，并高出地壳克拉克值的2～4倍，而Bi元素则高达几十倍。在细碎屑岩石中含量最高，与钨铋成矿关系最为密切。
Southern Jiangxi Province is known as ＂the world tungsten city＂, and the Longnan- Dingnan-Quannan （＂Sannan area＂ for short the same below） is an important tungsten-bismuth metallogenie region in this area. Tungsten-bismuth mineralizations are elosely related to the Devonian strata distributed widely in the Sannan area. Basing on the preliminary study and discussion on the distribution and abundance of trace elements of the Devonian strata as well as abundance of W-Bi ore-forming elements in different lithologic rocks from the Sannan area, we consider that the abundance of W ore-forming elements of the Devonian strata is only next to that of Cambrian strata, but it is higher than that of the other strata of various ages and is 2-4 times higher than that of the Clarke value. Among the different lithologic rocks, the fine-grained elastic rocks have the maximum W-Bi contents and the most closely genetic relation with W-Bi mineralizations.
出处
《资源调查与环境》
2009年第1期40-46,共7页
Resources Survey & Environment
基金
1:5万江西三南地区矿产远景调查项目(项目任务书编号:[矿调]12-6)资助
关键词
泥盆系
含矿性
W—Bi
成矿作用
江西三南地区
Devonian
mineralization potentiality
W-Bi ore-forming elements
Sannanarea of Jiangxi Province
