Journal
ARABIAN JOURNAL OF GEOSCIENCES
Volume 10, Issue 4, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s12517-017-2883-6
Keywords
Saharan Atlas; Remote sensing; Miocene phases; Directional filters; Ratio bands; Lithological discrimination
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Djelfa area in the central Saharan Atlas is characterized by its high lithological diversity with different facies from the Triassic to the Tertiary. The lack of published geological maps of the region ( Djelfa) prompted us to test specific processing of satellite images ( ratio bands, principal component analysis) in order to establish a lithological discrimination of the region. Several treatments allowed us to map the lineaments highlighting the various tectonic structures of the region. The combination of field and remote sensing data pointed out the double influence of the E-W Eocene and N-S Miocene phases in the structuration of these regions. As a large part of the Djelfa area is inaccessible, the obtained results undeniably contribute to a better understanding of the local geology.
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