岱庄煤矿影响煤中微量元素的地质因素

摘要

Trace elements have some special geochemical properties, such as stable chemical properties, high homogenization degree, etc. There are four main coal seams (No.3upper, No.3 lower, No. 16, No. 17 coal seam) in Daizhuang coalmine. From No.3 upper coal seam to No. 17 coal seam, the trace elements in the coal seam increase gradually. The influencing factors on the trace elements' distribution and origin of enrichment such as the coal forming plant, the properties of terrigenous mother rock, environment of sedimentation and others are analyzed; the distribution laws and distribution conditions of trace elements in different coal seams are accurate controlled.%微量元素具有一些特殊的地球化学性能,如化学性质稳定、均一化程度高等特点.岱庄煤矿主采煤层共四层(3上、3下、16、17煤层),微量元素含量从3上煤层到17煤层逐渐增大.通过对岱庄煤矿煤中微量元素成煤植物、陆源区母岩性质、沉积环境以及其它一些影响因素进行分析,总结岱庄煤矿煤中微量元素的分布和富集成因,能够更加准确掌握不同煤层中微量元素的赋存规律及赋存状态.