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介绍了利用磁法探测侵入煤矿主采煤层岩浆岩边界的原理及工作方法 ,确立了煤层受岩浆岩侵入变质的变质煤具有较其围岩高的磁异常 ,并以此为理论依据圈定岩浆岩的边界。经生产验证该理论与客观实际相吻合。
This paper introduces the principle and working method of using magnetic method to detect the intrusion of magmatic rocks in the main seam of coal mine and establishes that the metamorphic coal intrusively altered by magmatic rocks has a higher magnetic anomaly than the surrounding rock. Based on this, Rock border. The production of this theory and objective reality match.