Late Quaternary Evolution of Amvrakikos Gulf,Western Greece |
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Authors: | S. E. Poulos M. B. Collins V. Lykousis |
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Affiliation: | (1) Department of Oceanography, The University, S017 1BJ Southampton, United Kingdom;(2) National Centre for Marine Research, Hellenikon, 16604 Athens, Greece |
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Abstract: | Amvrakikos Gulf is a Neogene basin, formed during a late extensional tectonic phase within the Plio-Quaternary period. It is a semienclosed embayment, separated from the Ionian Sea by a shallow (< 10 m) channel. The analysis of 3.5-kHz seismic reflection profiles shows that, during the last (Würm) glacial period, the parts of the Gulf that lie at water depths >41 m (below present sea level) were a paleo-lake while the rest were exposed to subaerial erosion. Subsequent offshore depositional sequences accumulated at rates of 1.2–2.3 m/ka. |
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