起伏地形条件下磁电阻率法的资料处理方法

来源期刊：中南大学学报(自然科学版)1991年第1期

论文作者：杨建文 任怀宗 雷林源

文章页码：1 - 8

关键词：磁电阻率法; 地形校正公式; 模型实验结果; 野外实例

Key words：magnetometric resistivity; topographic correction; model experiment results; field example

摘    要：本文的研究表明,即使地下没有矿体,起伏地形也能产生磁电阻率(MMR)异常,同时在起伏地形条件下,电缆电流磁场不能忽略。所以,现有水平地形条件下的MMR法资料处理方法不再适用于起伏地形的情况。为此,本文着重研究了起伏地形条件下MMR法的资料处理方法,提出了MMR法的地形校正公式,并利用模型实验结果及野外实例证明了该地形校正公式在削弱地形影响、突出矿体异常方面的有效性。

Abstract: This research indicates that even though there is no ore body underground, the undulatory topography can also produce the MMR anomalies defined by Professor R. N. Edwards; and the magnetic fields caused by the current flowing through the wires can not be omitted under the condition of unduiatory topography. Therefore, the MMR data processing method in the condition of horizontal earth is no longer suitable to the situation of undulatory topography. For this reason, this paper focuses the atention on the MMR data processing method under the condition of undulatory topography, and puts orward the topographic correction formula of MMR method. At last, this paper demonstrates the effiiency of the formula by means of the model experiments and a field example.