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图4 喀拉塔格—其格布区蚀变异常信息野外验证结果
(a)ETM+7,4,1波段合成图像;(b)铁染蚀变异常信息;(c)羟基蚀变异常信息;(d)地貌景观;(e)面状分布的褐铁矿化与绢英岩化;(f)条带状分布的褐铁矿化与绢英岩化
Fig.4 Field validations for abnormal information of alterations in the Kalatage-Qigebu area