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确定有限延深的磁性体下沿的埋藏深度,无论在金属、非金属矿区都有重要意义。根据磁性体的下沿深度,在勘探线钻孔之间,可提供较为有效的矿体下沿的物探结论;在尚未钻探矿区,用物探方法求出矿体的下沿深度后,可计算矿体的物探储量。为了在短时间内对大量磁测资料作出结论,本文提出的方法,较为简单快速,此种方法亦是切线法。本法可不必事先考虑磁性体的形状及磁化方向,也不必考虑正常场选择是否正确。计算时用△z曲线。计算方法:
Determine the buried depth of the lower edge of the magnetic body has a significant significance, both in metal and non-metallic mining area. According to the depth of the lower edge of the magnetic body, the conclusion of the geophysical exploration can be provided more effectively between the boreholes in the exploration line. After the depth of the lower edge of the ore body has been determined by the geophysical method before the drilling area has been drilled, Geophysical reserves. In order to conclude a large number of magnetic data in a short period of time, the method proposed in this paper is simple and fast, and this method is also tangent method. This Act does not have to consider in advance the shape of the magnetic body and the magnetization direction, nor does it take into account the normal field selection is correct. △ z curve used in the calculation. Calculation method: