金属因素在激电异常评价中的应用  

THE APPLICATION OF THE METALLIC FACTOR TO THE APPRAISAL OF IP ANOMALIES

作　　者：杨天春[1] 吕绍林[1] 姚成华[1] 王齐仁[1] 

机构地区：[1]中南大学,湖南长沙410083

出　　处：《物探与化探》2003年第4期305-306,共2页Geophysical and Geochemical Exploration

摘　　要：当激电异常较为复杂时,利用ηs(或Fs)这些激电法的基本参数难以对异常源的性质进行合理的解释。通过具体实例,说明应用激电法的二次信息———金属因素解释复杂激电异常的有效性。金属因素能将矿致异常与非矿致异常分离,对异常的定性及定量解释有很好的作用。When an IP anomaly is relatively complex, the application of such basic parameters as ,ηs and Fs can hardly make reasonable interpretation of the nature of the anomaly source. With practical examples, the authors point out the effectiveness of applying the second information of IP, i.e., the metallic factor, to the interpretation of complex IP anomalies. The metallic factor can separate ore-related anomalies from barren ones, thus playing an effective role in the qualitative and quantitative appraisal of the anomaly.

关 键 词：激电法 金属因素 异常评价 二次信息应用 

分 类 号：P631.3[天文地球—地质矿产勘探]