南岭于都—赣县矿集区银坑示范区重磁资料探测花岗岩分布研究

刘金兰, 赵斌, 王万银, 李建国, 周新鹏, 王云鹏

A study of the distribution of granite detected by gravity and magnetic data in Yinkeng Demonstration Area of Nanling Yudu-Ganxian ore concentration area

Jin-Lan LIU, Bin ZHAO, Wan-Yin WANG, Jian-Guo LI, Xin-Peng ZHOU, Yun-Peng WANG

图4 银坑示范区1∶20万布格重力异常和1∶5万化极磁力异常特征与花岗岩分布关系 a—布格重力异常(叠加在已出露花岗岩图上,图例图2,下同);b—布格重力异常垂向一阶导数(黑色粗线为垂向一阶导数的零值线,下同);c—航磁化极磁力异常;d—航磁化极磁力异常垂向一阶导数

Fig.4 Relationship between the gravity and magnetic anomalies and the granite distributions in the Yinkeng Demonstration Area a—bouguer gravity anomaly map (distribution of the exposed granite is attached, and the legend is the same as in Fig. 2); b—vertical first-order derivative graph of the Bouguer gravity anomaly (thick black line is the zero-value line of the vertical first-order derivative, the same as below); c—aeromagnetic RTP magnetic anomaly chart; d—vertical first-order derivative chart of the aeromagnetic RTP magnetic anomaly