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重力和磁法勘测在矿产勘探中应用极其广泛且成本相对较低,该技术能够在隐伏矿定位及靶区优选中发挥巨大的作用。在实际操作过程中由于重磁解释具有多解性,故在采用重磁解释中应采取相应的措施以降低其多解性,通常采用的措施是以地质约束反演。以三维密度填图技术研究为最终目标,通过模型试验对比是否存在约束情况下的反演效果,结果显示采用地质信息约束的三维密度填图技术能够有效发现深部矿产。
Gravity and magnetic surveys are extremely versatile and relatively cost-effective in mineral exploration and can play a huge role in concealed ore location and target area optimization. Due to the multi-solution of gravity and magnetic interpretation during practical operation, corresponding measures should be taken in the interpretation of gravity and magnetic to reduce its multi-solution. The commonly adopted measures are based on geologic constraint inversion. Taking the 3D density mapping technique as the ultimate goal and comparing the model inversion results with the constraint conditions, the results show that the deep mineralization can be effectively detected by using the three-dimensional density mapping technology with geological information constraints.