The North Anatolian fault and complexities of continental escape |
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| Authors: | MR Hempton |
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| Institution: | Department of Geological Sciences, State University of New York at Albany, Albany, NY 12222, U.S.A. |
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| Abstract: | Before the Plio-Pleistocene, the proto North Anatolian fault zone was occupied by two separate faults: a WNW-striking right-lateral eastern segment which extended to the Black Sea, and a WSW-striking left-lateral western segment. During the Plio-Pleistocene most of the right-lateral displacement on the eastern fault was transferred from the Black Sea extension to the western fault, converting the latter to a right-lateral structure, and giving rise to the modern North Anatolian fault zone. This model explains the evidence first reported by Hancock & Barka for an apparent Plio-Pleistocene reversal of displacement along the western part of the fault. The model may also account for the Plio-Pleistocene change in regional stress in southwestern Anatolia. |
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