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The Gulf of Corinth is an active 950m deep graben structure occupying the northernmost part of the Plio-Quaternary Corinth rift (Brooks and Ferentinos 1984; Stefatos at al 2002). (Fig1.1) The present day gulf occupies about 2.400km2 of approximately 4100 km2 that corresponds to the area extent of the Corinth rift.
Fig.1.2: North-south section along Krathis River(location in Fig. 1). 1: Lower to early- middle Pleistocene fan breccia. (Qbr:=Quaternary breccians) 2: Early Pleistocene to Holocene synrift deposits. 3: Pindos-Olonos napple (P/O): more than 500m of Senonian limestones. 4: Gavroro-Tripolitsanapple (G/T): as much as 1500m nonmetamorphic Mesozoic carbonates 5: Zarouchla Group: mainly epimetamorphic schists. 6: Stratigraphic contact 7:Alpine thrusts or locked normal faults. 8:Locked Khelmos detachment 9: Active Helike fault, propably connected to seismic detachment beneath gulf. 10: Dashed line is profile of Krathis River.
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