近几年来,不少地区开展了成矿区(带)化探普查工作,并已取得了大量的原始资料.对这些数据如何成图,如何确定背景值,如何从中取得各种直接和间接的找矿信息以及对大量异常尽快准确地作出评价,筛选出最有远景的靶区,是当前以及今后相当一段时间内的重要任务.下面谈 In recent years, geochemical prospecting of metallogenic zones has been carried out in many areas and a great deal of original data has been obtained.How to map these data, how to determine the background value and how to obtain various direct and indirect discoveries Mine information as well as a large number of abnormalities as soon as possible to make accurate assessment, screening out the most promising target area, is the current and future important task for a considerable period of time.