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区分矿异常与非矿异常,是磁测资料解释中的一个重要问题。为了解决这个问题,我们不但要研究矿异常的各种特点和规律,而且也应研究各种干扰磁场的特点和规律。关于表层磁干扰过去一般注意较少,但是近年来不少地区已经提出这个问题。在一些中、弱磁性矿区,磁性表土的干扰甚至可以成为主要的干扰。本文所叙述的矿区就是这样的情况.
To distinguish between mine anomalies and non-mine anomalies is an important issue in the interpretation of magnetic data. In order to solve this problem, we not only study various characteristics and laws of mine anomalies, but also study the characteristics and laws of various disturbing magnetic fields. In the past, there was generally less attention on surface magnetic interference, but in many places in recent years this issue has been raised. In some, the interference of weak magnetic mining areas and magnetic topsoil can even become the main disturbance. This article describes the mining area is such a situation.