综合物探技术在皖东某铜金多金属矿普查中的应用

Application of comprehensive geophysical prospecting technology in the general survey of a copper gold polymetallic deposit in eastern Anhui

皖东某地位于长江中下游成矿带,具有优越的成矿地质条件。根据一些学者的研究结论,该区域铜金矿床主要赋存于岩体与碳酸盐类地层接触带。本文通过在测区开展重力、磁法、可控源音频大地电磁剖面测量,以岩石物性为基础,不同物性参数互相参照制约,对物探数据进行处理和反演计算,大致圈定出岩体与碳酸盐岩类接触带位置。为下一步寻找铜金多金属矿床提供了工作靶区。

A place in eastern Anhui is located in the metallogenic belt in the middle and lower reaches of the Yangtze River,which has superior metallogenic geological conditions.According to the research conclusions of some scholars,copper gold deposits in this area mainly occur in the contact zone between rock mass and carbonate stratum.In this paper,gravity,magnetic method and controllable source audio frequency magnetotelluric profile survey are carried out in the survey area.Based on the physical properties of rocks,different physical parameters refer to and restrict each other,the geophysical data are processed and inversed,and the location of the contact zone between rock mass and carbonate rock is roughly delineated.It provides a working target for the next search for copper gold polymetallic deposits.