Re-mapping of the Kilistra ignimbrites using remote sensing methods and GIS-based lineament analysis of the Beyşehir Basin (SW Konya/Türkiye)

Remote sensing (RS) and geographic information systems (GIS), which have a wide range of uses in geosciences, are used extensively in geological mapping (or updating), determining the boundaries of different lithologies, and detecting of tectonic discontinuities. The Bey & scedil;ehir Basin has been selected as a plot area due to its geological diversity and tectonic characteristics in this study. Thus, "principal component analysis (PCA)" and "map classification" techniques were applied to Landsat-8 OLI satellite images by using remote sensing methods and re-mapping of the Kilistra ignimbrites extending in the northwest- southeast direction on the eastern slope of the Erenlerda & gbreve;-Alacada & gbreve; Volcanic Complex (ErAVC) (SW Konya/T & uuml;rkiye). The methods of a practical application in details that will facilitate geological mapping and field studies of ignimbrites, which are characterized by quite complex settlement dynamics, are presented in this study. Additionally, to better understand the tectonic development of this basin, where Mio-Pliocene aged fluvial-lacustrine sediments and volcanics (ErAVC) are located, lineament analysis was applied by using GIS methods on the morpho-tectonic structures in the region. The results showed that a direct relationship between the forces shaping the area's morphology and tectonic movements in the region. As a result of these analyses, and according to their kinematics are; the tectonic stress and dominant faulting (dip-slip normal faults) directions shaping the Bey & scedil;ehir Basin have been determined as NW-SE and NE-SW.