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矿床地质  2008 

甚低频电磁法在草原覆盖区矿产勘查中的应用

Keywords: 地球物理学,甚低频电磁法(VLF-EM),Fraser滤波,线性滤波,矿化蚀变带,草原覆盖区,甚低频电磁法,草原,覆盖区,矿产勘查,应用,work,exploration,method,electromagnetic,lowfrequency,找矿效果,使用,控矿因素,发现,快速,经济,情况,干扰因素,覆盖厚度,差异

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Abstract:

在草原覆盖地区进行矿产资源勘查时,甚低频电磁法在一定的地质条件下是间接找矿的有效方法.众所周知,与矿有关的主要地质因素有断裂、破碎带、蚀变、矿化等,它们与围岩在导电性上往往有很大差异,因此,在覆盖厚度不大、人工干扰因素较少等情况下,采用甚低频法可经济、快速地发现并查明这些控矿因素,以达到间接找矿的目的.文章是近些年来笔者在草原覆盖地区进行矿产资源勘查时,使用甚低频电磁法取得的一些间接找矿效果.

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