激发极化法在桐城市板桥—方家龙窝地区石墨矿勘查中的应用

Application of induced polarization method in graphite ore exploration in Banqiao—Fangjialongwo area of Tongcheng City

研究区内地表已发现多处石墨矿体,呈透镜状、似层状产于变质表壳岩组合中。本文对板桥—方家龙窝地区岩、矿石的物性资料进行了分析,明确了以低阻高极化为特征的石墨矿体与围岩间存在较大的电性差异,总结了激电中梯和激电测深方法在石墨矿勘查中的应用效果,为后期的工程布置提供了可靠的物探依据。

Many graphite ore bodies have been found on the surface of the study area,lenticular and layered in metamorphic supracrustal rock associations.In this paper,the physical property data of rocks and ores in Banqiao—Fangjialongwo area was analyzed.It is clear that there is a large electrical difference between graphite ore bodies characterized by low resistance and high polarization and surrounding rocks.The application effects of IP medium gradient and IP sounding methods in graphite ore exploration were summarized,which provided a reliable geophysical basis for later engineering layout.