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    The Nasa intrusion (Western Anatolia) and its tectonic implication: A joint analyses of gravity and earthquake catalog data
    (Maden Tetkik Ve Arama Genel Mudurlugu-Mta, 2018) Toker, C. Ertan; Ulugergerli, Emin U.; Kilic, Ali R.
    The gravity data gathered in and around the Simav Graben in Western Anatolia were reprocessed and reinterpreted by using the standard deviation filter and the Euler deconvolution. The joint evaluation of results from the interpretation of gravity data and seismological studies indicates the presence of new intrusive structures in the vicinity of Simav. The intrusion is located in the eastern margin of the graben and has a thickness of 12-15 km at 2.5-3 km depth below the surface. Numerous earthquakes recorded in the eastern part of the graben are associated with this intrusion. Besides, the multi-dimensional modelling study of the gravity data allowed us to display the Simav Graben, the fold of the Simav Fault, the intrusion named as Nasa, and the epicenters of earthquake within the same tectonic frame. All tectonic structures were marked on the three dimensional relief model.