摘要
激发极化法是寻找硫化物金属矿床的有效方法,被广泛应用于矿产勘查工作中。撒哈拉沙漠T金矿床共发育两条与黄铁矿化关系密切的金矿体,矿体和花岗闪长岩围岩存在一定电性差异。1/1万激电中梯测量工作在该矿区共圈出两个低电阻率、高极化率激电异常。在空间上,1号激电异常覆盖了1号金矿体露头,2号激电异常则位于2号金矿体露头的北东。钻探验证结果显示,1号激电异常区和1号金矿体空间耦合性较好;2号激电异常具有多解性,由于钻探布置不合理,未查清引起该激电异常的原因。本文通过分析该矿区两个激电异常的钻探布设情况及验证结果,探讨地质和物探相结合的重要性。
The induced polarization method is an effective method for finding sulfide metal deposits,widely used in exploration. T gold mine comprise two gold ore bodies, closely related to pyrite mineralization in space,located in Sahara Desert, which could be distinguished from the granite diorite wall roc in electrical parameters. 1/10 k IP Intermediate Gradient survey distinguish two IP anomalies in the mining area with the features of higher polarizability and lower resistivity.1 th anomaly covers the outcrop of 1 th ore body and the 2 th anomaly located in the NorthEast of the outcrop of 2 th ore body.Drilling results reveal the close relationship between the 1 th anomaly and 1 th ore body;2 th anomaly with complex factors,was not verified by drilling as the drill site was not appropriate. This article analysis the site and the result of the drill holes,discussing the importance of the combination of geology and geophysical.
出处
《世界有色金属》
2017年第17期107-110,共4页
World Nonferrous Metals
关键词
沙漠
激电中梯
空间耦合
钻探验证
Desert
IP Intermediate Gradient
Spatial coupling
Drilling test
