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ABSTRACT Deep seismic soundings performed in Greece in the last 20 years by the University of Hamburg and the Hellenic Centre for Marine Research, Athens, revealed the crust and basins structure of the western Hellenides. In most areas, we identified five sedimentary layers. The first one, having Vp velocities of 1.8 to 2.2 km/s, consists of Neogene formations. The following one with 3.3 to 3.4 km/s is built by the west Hellenic flysch, which is placed directly on Mesozoic limestones. These have Vp velocities of 5.5 to 5.8 km/s. The Mesozoic limestones are placed on Triassic evaporites of 4.3 km/s wave speed, thus creating a velocity inversion. Below the Triassic evaporites, a lower limestone layer is mapped, having Vp velocities of 5.9 to 6.2 km/s and 4 km thickness. This layer contains the oil and gas bearing formations, which are trapped below the Triassic evaporites. All these sedimentary sequences are placed on continental crust, having its maximum thickness of 40 km below Ippiros, western Greece.
Presentation Date: Thursday, October 18, 2018
Start Time: 8:30:00 AM
Location: 210A (Anaheim Convention Center)
Presentation Type: Oral
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