【摘要】 遥感技术在矿产资源勘查中得到了广泛应用并取得了较好的效果,选择具有典型蚀变特征的新疆哈密野马泉西作为研究区,从分析地物波谱,尤其是岩矿光谱特征出发,利用基于诊断性吸收波段的方法、主成分分析法分别处理HyMap数据和ASTER数据,对野马泉西地区进行了遥感数据矿物羟基类蚀变信息提取。通过对绢英岩化和绿泥石—绿帘石化的蚀变信息提取结果进行比较之后认为,HyMap数据比ASTER数据在矿化蚀变信息提取中能进一步识别不同类型的含羟基类蚀变矿物,具有较大的优势。更多还原

【Abstract】 Remote sensing technology has widely applied in mineral exploration and sounding exploration results have been achieved. Taking Yemaquan West,Hami,Xinjiang as a case study where typical alteration features occur,the mineral alteration information with hydroxy type was extracted starting from analyzing spectrum features of geo-objects,in particular the spectral characteristics of rocks and minerals based on HyMap data and ASTER data which were handled by diagnostic method of absorption bands and principal component analysis,by comparing the results of alteration information extraction from phallic alteration and chloritization- epidotization alteration,it is believed that HyMap data can further identify different types of hydroxy-containing altered minerals and has a great advantage than ASTER data in extraction of mineralized alteration information.更多还原