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INTEGRATION AND ANALYSIS OF ASTER DATA, GEOPHYSICAL AND GEOLOGICAL DATA FOR EXPLORATION OF CU MINERALIZATION IN CHAHARGONBAD AREA, A GIS APPROACH

AUTHOR/S: M. AHADI, M. FARAHANI, A.HEZARKHANI
Sunday 1 August 2010 by Libadmin2007

7th International Scientific Conference - SGEM2007, www.sgem.org, SGEM2007 Conference Proceedings/ ISBN: 954-918181-2, June 11-15, 2007

ABSTRACT/Full article not available/

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 applied on ASTER
data. The band ratios technique showed that band ratios of 7/9 and 3/2 enhance
the altered and vegetation cover respectively. Band ratio of 2/1 also enhances
the iron oxide bearing areas. Principal component analysis showed that the
fifth PC has higher loadings of the bands related with alteration. This PC
enhances the altered areas. The airborne geophysical data over the altered areas
showed that the higher K, Th and U radiometry and lower total magnetic field
is associated with the altered areas. For integration data, Fuzzy classification
has been applied on airborne geophysical and remote sensing data.


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