地电化学测量在河台金矿找矿预测中的应用

为了获得更多的金资源储量,对河台金矿云西矿床进行了吸附电提取法地电化学测量研究。结果显示,已知含矿糜棱岩带上方的金测试值相对围岩有较明显的高异常;未知区上方的地电化学高异常特征与含矿糜棱岩带上方的地电化学异常特征相似;未知区的地电化学高异常带方位与矿区容矿构造方位一致。以上结果说明该方法在本区进行找矿预测可行。同时指出...

Application of Geo-Electrochemical Measurement to Prospecting in the Hetai Gold Deposit

Abstract: Geo-electrochemical measurements using the absorption-electricity extraction method were carried out in the Yunxi deposit of the Hetai gold mine to obtain more gold reserves. The result shows that test values of gold above the known auriferous mylonitized zone are higher than that of the county rocks. The geo-electrochemical anomaly characteristics are similar to those above the auriferous mylontized zone. The azimuths of electrochemical anomalies in the unknown area are consistent with that of the ore-forming structures. It is thus concluded that the method is feasible for prospecting prediction in this area. When applying the absorption-electricity extraction method, we should consider the possibilities that the anomalous high value belt of geo-electrochemical values are not produced by ore bodies, while the area without geo-electrochemical anomalies can have ore. Possible reasons for these two cases were discussed. Further more, three high-anomaly belts of geo-electrochemical values in the study area were defined, and we suggest that the abnormal high value belts, which did not result from known ore bodies, should be checked. It was predicted that the mylonitized zone No. 19 may extend to the west of the Yunxi deposit, and the belt with abnormally high geo-electrochemical values east of line No. 25 is a potential area to find ore bodies.