综合物探方法在长白山玄武岩覆盖区烟筒砬子金矿区深部找矿的应用

Application of comprehensive geophysical exploration method to deep prospecting of Yantonglazi gold mining area in basalt covered area of Changbai Mountain

通过区内大比例尺重、磁和CSAMT、SIP电磁组成综合物探方法在长白山玄武岩覆盖寻找金英式金矿的找矿应用。基于重、磁、电多参数相互约束、精细反演,查明区内三维地质成矿背景。对重点异常区利用频谱激电(SIP)、重磁剖面综合物探勘查成果,圈定成矿有利地段,寻找深部隐伏矿产、指导下一步找矿等提供有效的参考依据。

The comprehensive geophysical prospecting method of large-scale gravity,magnetic force,CSAMT and SIP electromagnetic composition in the area is applied to the prospecting of Jinying type gold deposits in the basalt cover of Changbaishan.Based on the mutual constraint and fine inversion of gravity,magnetic and electrical parameters,the three-dimensional geological metallogenic background in the area is found out.It provides an effective reference basis for the key abnormal area to use the comprehensive geophysical exploration results of spectrum induced polarization(SIP)and gravity and magnetic profile to delineate the favorable ore-forming areas,look for deep hidden minerals and guide the next prospecting.