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Variability of stream sediment survey data have two principal component including syngenetic component relates to lithogenesis and lithogeochemical variation, and epigenetic component relates to mineralization which its determination is the target in geochemical exploration. In regional stream sediment surveys, effective lithologic units in syngenetic component are located in the upstream of related sample. Various methods are used for neutralization of syngenetic component in stream sediment geochemical surveys s...

The Chahargonbad area is located in southern part of the central Iranian volcano–sedimentary belt, in Kerman province. The intrusion of several intrusives bodies such as granodiorite, monzonite, diorite, granite and quartz diorite in the volcanic sedimentary sequence have given rise to an intense and vast alteration and copper mineralization in the southern part of this belt different image processing techniques such as color composites, image filtering, band ratioing and principal component analysis have been app...