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煤微量元素地球化学的一个重要规律—以渭北5号煤层为例

, PP. 1444-1453

Keywords: ,微量元素,元素周期律

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Abstract:

?通过数理统计的方法,计算了渭北晚古生代太原组5号煤层Li等51种微量元素和煤中有机碳、灰分的相关系数,根据对渭北5号煤层Li等51种微量元素-有机碳相关系数平方、微量元素-灰分相关系数平方变化曲线与相应元素的第一电离能、离子半径变化曲线的对比研究,确认煤中微量元素在有机质和矿物质的分布、分配及赋存,总体服从元素周期律,并对此规律作了较完整的理论表述.研究认为,煤的微量元素地球化学周期律至少在鄂尔多斯盆地晚古生代这类统一稳定的聚煤环境里是适用的.

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