瞬变电磁法在内蒙古煤层赋水区中的应用

Jiangxi Energy(2019)

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Abstract
内蒙古嵯北矿区胡列也吐煤田地质构造复杂及含煤盆地内地表水系发育,有额尔古纳河从勘查区西北部由南向北流淌.前人在研究区已开展过许多地质及地球物理勘查工作.基于区内断层构造中赋水关系的特点,采用了瞬变电磁法进行勘查.瞬变电磁法(TEM)对含水体敏感、分辨率高的特点,在探明赋区具有显著的优势,再结合测区的地质情况分析异常情况.划分了2煤组主要可采煤层的底部岩层的低阻异常区,圈定了煤组赋水位置及范围,达到了预测低阻赋水区的目的.
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