European Journal of Engineering and Natural Sciences (EJENS), cilt.6, sa.1, ss.15-21, 2021 (Hakemli Dergi)
Biga Peninsula is one of the tectonically active regions in Northwestern Anatolia which the middle strand of the North Anatolian Fault Zone is crossed over by it. This work is aimed to model the subsurface geological structures via vertical electrical sounding (VES) and self-potential (SP) datasets collected from the relatively less known Southern part of the Biga Peninsula. The vertical electrical sounding (VES) and self-potential (SP) datasets collected near the Erecek village of Çanakkale city were inverted by the Levenberg-Marquardt algorithm. Four profiles were generated covering some VES points to reveal the geological model. In addition, resistivity distributions at 10, 100, 200, 500, and 1000 meter depth levels were calculated. Thus, the iso-3D resistivity distribution was easily observed. Based on the VES findings, three main geological units were defined; two groups of volcanic units and a metamorphic basement. Besides, WSW-ENE and NNE-SSW trending two normal faults that have possibly water content were observed. One of them was also detected from the self-potential profile data inversion results. As a result, possible main fault locations and tectonic structures that may be associated with groundwater containment have been described using the findings of both two geo-electrical methods.