地磁梯度测量及其在金属矿勘查中的试验——以拉依克勒克铜铁矿为例

王昊, 严加永, 孟贵祥, 吕庆田, 王栩

Geomagnetic gradient exploration and its test in metal deposits: a case study of the Layikeleke copper-iron deposit

Hao WANG, Jia-Yong YAN, Gui-Xiang MENG, Qing-Tian LU, Xv WANG

图3 拉伊克勒克铜铁矿实测磁梯度与计算磁梯度对比 a—由总场计算的东西向水平磁梯度;b—东西向实测磁梯度;c—东西方向计算磁梯度减去实测磁梯度的差值;d—由总场计算的南北向水平磁梯度;e—南北向实测磁梯度;f—南北方向计算磁梯度减去实测磁梯度的差值;g—由总场计算的垂向梯度;h—垂向实测磁梯度;i—竖直方向计算磁梯度减去实测磁梯度的差值;ZK—钻孔

Fig.3 Comparison of magnetic gradient and calculated magnetic gradient in Layikeleke copper iron ore a—east-west horizontal magnetic gradient calculated from the total field;b—east-west measured magnetic gradient;c—calculate the difference between the east-west magnetic gradient minus the measured magnetic gradient;d—the north-south horizontal magnetic gradient calculated from the total field;e—the north-south direction measured magnetic gradient;f—the north-south direction to calculate the magnetic gradient minus measuring the difference in magnetic gradient;g—the vertical gradient calculated from the total field;h—the vertical measured magnetic gradient;i—calculating the difference between the magnetic gradient minus the measured magnetic gradient in the vertical direction;ZK—drillings