Lithologic Mapping using Remote Sensing Data in Abu Marawat Area, Eastern Desert of Egypt

Mohamed Abdelkareem, Ibrahim Othman, Kamal El Din G, (doi: 10.23953/cloud.ijarsg.264)

Abstract


Remotely sensing data include Landsat-8 Operational Land Imager (OLI) and Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data successfully delineated the alteration zone in Abu Marawat area. Image transformation technique was applied in the present study. Band ratio color composites (6/7, 6/5,*4/5, 5) and Principal Component Analysis (PCA) technique of Landsat-8 highlighted the alteration zone. Band ratio color composites ASTER bands 4/6, 4/2, and 4/3 in the R, G, and B, respectively, provided a significant results of alteration zone. Minimum Noise fraction technique (MNF) provided better results that clearly delineated the mineral potential area. Field data and previous works validated the alteration zones. The overall results showed the importance of image processing in showing the probable area of mineral resources.


Keywords


Remote sensing, image processing, alteration zone; Egypt

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