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遥感是二十世纪中后期迅速发展起来的科学技术领域之一,是一门年轻而富有挑战性的学科。自上世纪八十年代,高光谱遥感技术一直处于遥感科学技术前沿,并且得到了不断发展,高光谱遥感为遥感带来了技术性革命(霍红元,2011)。矿物填图是高光谱技术最成功也是最能发挥其优势的应用领域。应用高光谱数据,根据岩矿标型波谱特征,可以直接识别岩矿类型或与成矿作用密切相关的蚀变矿物,圈定矿化蚀变带和分析蚀变矿
Remote sensing is one of the most rapidly emerging fields of science and technology in the late twentieth century. It is a young and challenging discipline. Hyperspectral remote sensing technology has been at the forefront of remote sensing science and technology since the 1980s and has been continuously developed. Hyperspectral remote sensing has brought a technological revolution to remote sensing (Huo Hongyuan, 2011). Mineral mapping is the most successful hyperspectral technique and is the most versatile application area. Hyperspectral data can be used to directly identify rock types or alteration minerals that are closely related to metallogenetic characteristics according to the rock type mineralogical and spectral features, delineate mineralized alteration zones and analyze alteration ore