山东省海阳市土堆沙旺地区金矿激电异常和电阻率分布规律探讨

Discussion on the Distribution of IP Anomaly and Resistivity in the Area of Tudui-Shawang Gold Deposit in Haiyang City of Shandong Province

摘要:

土堆沙旺金矿区位于胶莱盆地东北缘，与蓬家夼、发云夼、辽上、西涝口等矿床同处于郭城断裂带内。为缩小找矿靶区,发现有利的成矿区段，在郭城镇北朱村与龙口村之间进行激电测量工作。通过区内激电测量和可控源音频大地电磁法测量，圈出激电异常带7条。从可控源音频大地电磁法异常中可以明显看到区内的各种断裂构造，断裂构造产状及相互间的关系，能较好的显示了岩体和地层界限，因此可控源音频大地电磁法异常也可以作为区内一种找矿标志。

Abstract:

The Tudui-Shawang gold deposit is located in the northeastern margin of the Jiaolai Basin, along with the Pengjiakuang, Fayunkuang, Liaoshangand Xilaokou ore deposits in the Guocheng fault zone. In order to narrow the prospecting target areaand find a favorable metallogenic area, we carried out IP measurement between BeiZhu and LongKou village in GuoCheng town. By means of in situ IP measurement and controlled source audio magnetotelluric measurement, we circled the IP anomaly with 7 and find the various faults structure, crack occurrence and mutual relation between. It scan also show the boundaries of rock mass and stratum. Accordingly, the controlled source audio frequency magnetotelluric method can also be used as a kind of prospecting mark.