三种不同类型矿床分类型蚀变遥感异常提取及其应用  

Extraction of remote sensing alteration anomalies of three types of ore deposits and its application.

作　　者：姚佛军[1,2] 杨建民[2] 张玉君[3] 耿新霞[2] 

机构地区：[1]中国地质大学,地球科学与资源学院 [2]中国地质科学院矿产资源研究所,成矿作用与资源评价重点开放实验室,北京100037 [3]中国国土资源部航天遥感物探中心,北京100083

出　　处：《岩石学报》2009年第4期971-976,共6页Acta Petrologica Sinica

基　　金：国家科技支撑计划重点项目(2006BAB07B07-02);国家重大基础研究计划项目(2007CB411406);地质调查工作项目 (1212010818018);中央级公益性科研院所基本科研业务费专项资金资助项目(K2007-2-7)资助

摘　　要：蚀变遥感异常在矿产资源勘察中已经取得了很大的进步,目前利用遥感技术已经发现了多个矿(化)点。但这种方法给出的异常范围大,没有针对性。相似的矿床类型蚀变岩波谱特征相似,如果利用这个特点,在异常提取上限定矿床类型蚀变岩的波谱特征,有针对性的提取异常,从而达到分类型矿床蚀变遥感异常的识别。采用这种方法在东天山地区和东准噶尔地区取得了非常好的效果,已经发现了多个矿(化)点。Application of remote sensing alteration anomalies has made great progress in survey of mineral resources and a number of ore occurrence have found by using of remote sensing technology. However, the range of anomalies given this approach was too bigger and it was not specific. In general, the similar deposits had the similar types of the characteristics of the spectrum of their altered rocks. If these characteristics of the deposits were used in extraction of remote sensing alteration anomalies to limit range of anomalies by the spectrum characteristics of altered rocks of deposits, remote sensing alteration anomalies could be extracted with having special target in order to identify remote sensing alteration anomalies of different types of deposits. This approach was used in the East Tianshan region and the East Junggar region with very good results and a number of ore occurrence have been found.

关 键 词：蚀变遥感异常 波谱 矿床类型 蚀变岩 

分 类 号：P627[天文地球—地质矿产勘探]