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CSAMT investigations of the Caferbeyli (Manisa/Turkey) geothermal area

Sinem Aykaç, Emre Timur, Coşkun Sari, Çagri Çaylak
Journal of earth system science 2015 v.124 no.1 pp. 149-159
electricity, drilling, Earth system science, heat, models, surveys, geophysics, Turkey (country)
Western Turkey is one of the most remarkable regions of very active continental extension in the world. The most significant structures of this region are Alaşehir, Gediz, and Büyük Menderes Grabens. Geothermal activity around city of Manisa in Gediz Graben has been investigated by many researchers and many geothermal boreholes were drilled in order to produce electricity and for heating purposes. The Caferbeyli geothermal area is on the southern side of the Gediz Graben just west of Salihli, Manisa, Turkey. According to rising demand on thermal water around Salihli, geophysical studies were performed using the Controlled Source Audio Magnetotellurics (CSAMT) measurements near the area of Caferbeyli, and they were interpreted by the two-dimensional modelling. Vertical and horizontal resistivity sections were mapped, and it was determined that a low-resistivity layer exists in the SW part of the survey area. As a result of the studies in the area, the boundaries of the low-resistivity layer were mapped and a test drilling was recommended.