在新疆阿尔金成矿带东段巴什考供地区，使用美国ASD公司的FieldSpec Pro FR地面波谱仪，获取长城系扎斯勘赛河组地层区各地质体的地面光谱数据。基于各地质体的波谱数据，分析了各类岩性的波谱曲线特征，综合剖析各特征吸收峰的波谱特征和蚀变矿物反映特征，研究和总结矿体、矿化体、近矿围岩、外围蚀变围岩、外围正常围岩的地面光谱蚀变矿物和蚀变矿物组合分布特征，进而总结了扎斯勘赛河组地层的地面光谱蚀变矿物分布和变化规律，结合区域地质和矿化蚀变特征，建立了长城系扎斯勘赛河组地面光谱蚀变矿物分布模型，形成了地面光谱蚀变矿物组合分布图。
FieldSpec Pro FR ground spectrometer from ASD company in U.S.is used in Bashikaogong region lo-cated in the eastern part of Aerjin Metallogenic Belt to obtain the ground spectrum data of each geological mass in Zhasikansaihe Formation of Changcheng System.Based on the spectral data, the lithological characteristics of each mass are analyzed,the spectral features of each characteristic absorption peak as well as the reflection features of alter-ation minerals are comprehensively dissected,and the features of the alteration minerals of orebodies,mineralization, near-body wall rocks,peripheral altered wall rocks,peripheral normal wall rocks and the distribution of alteration min-eral combinations are studied and summarized based on ground spectrum.Furthermore,the distribution and variation rules of alteration minerals based on ground spectrum in strata of Zhasikansaihe Formation are summarized.And with regional geological and alteration features accounted, the distribution model of alteration minerals based on ground spectrum in Zhasikansaihe Formation of Changcheng System is established,and the distribution of altered mineral com-binations based on ground is mapped.
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