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地球学报  2006 

贵州晴隆矿区K6煤层的元素地球化学特征

DOI: 10.3975/cagsb.2006.02.06

Keywords: ,斑铜矿,火山灰,晚二叠世,晴隆矿区

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Abstract:

运用电离耦合等离子体质谱、X射线荧光光谱、带能谱仪的扫描电镜和逐级化学提取等技术,对贵州西部晴隆矿区晚二叠世K6煤层的元素地球化学特征进行了研究。研究表明,除Cu、S和Fe以外,斑铜矿是造成该煤层中Bi和Pb富集的主要原因。由火山灰、陆源碎屑和有机质组成的特殊“集合体”是引起该煤层中Cr、Cu、F、U和Zr异常的主要因素。

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