音频大地电磁测深法在老挝万象盆地钾镁盐矿产勘探中的运用效果

朱自串, 周丹, 李德文, 余润龙

The application of natural field audio magnetotellurics sounding to the exploration of the Vientiane basin potassium salt deposit in Laos

Zi-Chuan ZHU, Dan ZHOU, De-Wen LI, Run-Long YU

图2 AMT测线位置及周缘重力异常平面等值线 1—负重力异常等值线;2—正重力异常等值线;3—零值线;4—推测断层;5—AMT测线;6—已有钻孔

Fig.2 Location of AMT line and gravity anomaly of nearby area 1—gravity anomaly contour of negative value; 2—gravity anomaly contour of positive value; 3—contour of zero; 4—inference fault; 5—profile of AMT; 6—drilling of finished