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   anomaly delineation of porphyry copper deposits of hanza region through geochemical data analyses and multi-spectral remote sensing  
   
نویسنده habibnia a. ,rahimipour g.r. ,ranjbar h.
منبع journal of mining and environment - 2019 - دوره : 10 - شماره : 3 - صفحه:747 -762
چکیده    The hanza region is located in the southern part of urumieh–dokhtar metallogenic belt in seiran. this region includes six known porphyry copper deposits, and it is considered as an ore-bearing region from the geochemical viewpoint. the aim of this research work is to examine the effective processing techniques in the analysis of stream sediment geochemical datasets and aster satellite images. the processing methods have led to the identification of eight new prospective areas. these methods are aimed at providing univariate geochemical maps.the stream sediment geochemical mapping for cu and mo is performed by the sample catchment basin approach. the results derived from this approach have been mapped in four classes associated with the first quartile, third quartile, and threshold values obtained from the median absolute deviation method. false-colour composite and band ratio techniques are adopted as two well-known methods for the processing of an aster scene spanning the studied area. eight new targets for possible mineralization have been resulted from geochemical data analysis. image processing techniques on the aster multi-spectral data have also revealed widespread hydrothermal alterations associated with the known porphyry copper deposits and the new prospects.
کلیدواژه hanza region ,urumieh-dokhtar metallogenic belt ,median absolute deviation method ,geochemical mapping ,porphyry copper deposits ,aster ,false-colour composite
آدرس shahid bahonar university of kerman, faculty of engineering, department of mining engineering, iran, shahid bahonar university of kerman, faculty of engineering, department of mining engineering, iran, shahid bahonar university of kerman, faculty of engineering, department of mining engineering, iran
پست الکترونیکی h.ranjbar@uk.ac.ir
 
     
   
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