音频大地电磁测量法在河元背地区铀矿深部勘查中的应用

Audio-magnetotelluric survey method and its application in the deep exploration of He-Yuan-Bei region

本文介绍了音频大地电磁测量测量在河元背地区的应用效果,并结合区内地质条件,对主要控矿断裂构造进行解释推断,大致确定了碎斑熔岩(J_3e^2)与流纹英安岩(J_3d^2)组间界面的空间展布;通过与钻孔普查揭露情况对比,认为该方法在该地区的应用是有效的,可作为南方硬岩型铀矿深部找矿及老矿山外围扩大利用的一种有效勘查手段。

This paper introduces the application of the surveying measurements with audio-magnetotelluric in He-YuanBei region.The main ore-controlling faults were inferred by combining with the geological conditions in the region,and broadly identified the spatial distribution between porphyroclastic（J_3e^2） and dacite flows（J_3d^2）.It is considered that the method is effective in the region by contrast with drilling census revealed,and it can be use as an effective means of prospecting a hard rock type uranium deposit in the South and expanding the use of old mines region.