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磁法勘探工作中,消除地形影响的问题正日益被重视。在用磁法勘探寻找弱磁性铁矿或山区找矿工作中,更应注意此问题。近年来,在华北和西南某些黄土和红土覆盖地区,常观测到地形对
In the magnetic exploration work, the issue of eliminating the influence of topography is increasingly being taken seriously. This issue should be paid more attention to when searching for weakly magnetic iron ore by magnetic exploration or prospecting work in mountainous areas. In recent years, some loess and laterite-covered areas in North and Southwest China often observe terrain pairs