1. Key Laboratory of Resource Exploration Research of Hebei Province,Hebei University of Engineering,Handan　 056038,China;2. State Key Laboratory of Coal Resources and Safe Mining,China University of Mining and Technology(Beijing),Beijing　 100083,China

以黔西南火烧铺煤矿(3号,7号,12号,17号)和金佳煤矿(3号,9号)煤层为研究对象,使用X射线荧光光谱(XRF)、电感耦合等离子体质谱(ICP-MS)、X射线衍射(XRD)和扫描电镜-能谱仪(SEM-EDS)等对煤中常量和微量元素(含REY)进行定性和定量分析。系统研究了煤中伴生元素尤其是Si,Al,As等富集元素的含量分布、赋存状态和富集机理。结果显示,火烧铺和金佳矿煤中Si,Al,Ca,Mg,P,Ti常量元素和As,Co,Cu,Pb微量元素的含量明显高于中国煤均值;峨眉山玄武岩浆和热液流体岩脉是该地区煤中As的主要富集来源。

The samples were collected from the Huoshaopu Mine (Nos. 3,7,12,17) and Jinjia Mine (Nos. 3,9). The major elements and trace elements in these coals were analyzed by inductively coupled plasma mass spectrometry (ICP-MS),X-ray fluorescence spectrometric (XRF) technique,scanning electron microscope in conjunction with an energy dispersive X-ray spectrometer (SEM-EDX) and X-ray powder diffraction ( XRD),respectively. The contents, occurrence modes,and enrichment mechanism of coal-associated elements,especially Si,Al and As with elevated con- centrations,were studied in detail. The results indicate that the contents of Si,Al,Ca,Mg,P,Ti,and As,Co,Cu,Pb in Huoshaopu and Jinjia coals,are higher than their average contents in coals from China and overseas. Emei Mountain basalt magma and hydrothermal fluid vein are the sources of high arsenic in coals in this region.

国家自然科学基金资助项目(41472133)；河北省杰出青年科学基金资助项目(D2014402046)；河北省高校百名优秀创新人才支持计划资助项目(BR2-204)；

Qin Shenjun,Gao Kang,Wang Jinxi,et al. Geochemistry of the associated elements in the Late Permian Coal from the Huoshaopu and Jin- jia Mines,Southwestern Guizhou[J]. Journal of China Coal Society,2016,41(6):1507-1516.