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Chaomin CHEN,Chengbiao LENG,Guohui SI

图2 铁染蚀变异常分布（由ETM+遥感图像真彩色合成叠加） 1.铁染三级蚀变异常；2.铁染二级蚀变异常；3.铁染一级蚀变异常

Fig.2 Distribution of anomalies of iron-stained alterations（superimposed with the true color synthesis for ETM+ image）