地电化学法寻找隐伏金矿的应用研究

Study the prospecting for concealed gold deposit by using geo-electrochemical method

通过对金的地电化学成晕机制的研究,利用地电化学法在东北大兴安岭森林覆盖区虎拉林金矿和澳大利亚第四纪厚层覆盖区Challenger金矿进行可行性找矿试验研究。试验结果在上述已知矿区的剖面上均测出了清晰的地电化学异常,表明利用地电化学法在上述地区寻找的隐伏金矿是有效的。在此基础上对两矿区外围及深部进行了找矿预测,发现4个有利的成矿靶区,经工程验证发现2个金矿体,取得了良好的经济和社会经济效益。

Based on the study of the forming mechanism about gold geo-electrochemieal anomalies, the feasible prospecting experiments and prospecting prediction research about using geo-electrochemical methods were carried out in the Hulalin gold deposit covered by Daxing＇anling forest in northeast China and in the Challenger gold deposit located in Australia Quaternary thickly overburdened area. The experiments＇ results showed that geo-eleetrochemical anomalies were detected obviously on the profiles of both known ore areas, which indicated that geo-electrochemical methods would be used effectively to prospect for concealed gold deposits in forementioned areas. Besides, prospecting prediction was made in the periphery and deep part of the two ore areas with 4 favourable ore-forming targets detected and 2 gold orebodies discovered by engineering verification. In addition, good economic and social benefits were obtained.