3-D seismics; Age determination; Diapirism; Fluvials; Pleistocene; Seismic reflection data; Seismic stratigraphy; Tectonic events; Well data; Western Greece; Geophysics
Abstract :
[en] The study of the Acheloos delta complex in external Patraikos Gulf, in Western Greece, through 3D seismic reflection data that captures the entire deltaic body constitutes an example of the evolution of a fluvial-dominated delta in a confined setting, affected by tectonic events followed by salt diapirism. Well data suggest Pleistocene age for the deltaic sequence, while the age determination of the main progradational packages is achieved through their correlation to Marine Isotope Stages (MIS), based on the assumption that the progradational units correspond to low sea-level stands. The inflection point of each deltaic sequence has been assessed assuming that it approximately corresponds to the shoreline trajectory. Several seismic attributes such as discontinuity, RMS amplitude and sweetness have been performed, for the visualization of the architectural elements of each seismic unit.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Stathopoulou, A.; University of Patras, Greece ; Helleniq Upstream, Greece
Papatheodorou, G.; University of Patras, Greece
Tripsanas, E.; Helleniq Upstream, Greece
Hubert, Aurelia ; Université de Liège - ULiège > Département de géographie > Géomorphologie et Géologie du Quaternaire
Rubi, R.; University of Liege, Belgium
Geraga, M.; University of Patras, Greece
Kokkalas, S.; University of Patras, Greece
Stefatos, A.; Hellenic Hydrocarbons and Energy Resources Management, Greece
Language :
English
Title :
Evolution of the low-stand Acheloos fluvial-dominated delta complex in Western Greece, through 3D seismic stratigraphy
Publication date :
December 2023
Event name :
4th EAGE Eastern Mediterranean Workshop 2023
Event place :
Athens, Grc
Event date :
04-12-2023 => 06-12-2023
Audience :
International
Main work title :
4th EAGE Eastern Mediterranean Workshop 2023
Publisher :
European Association of Geoscientists and Engineers, EAGE
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