6533b833fe1ef96bd129be00

RESEARCH PRODUCT

Morpho-sedimentary setting and evolution of Marettimo Valley (Egadi Islands, Sicily) during middle-late Quaternary: interaction between sea level changes and oceanographic circulation

M. AgateStella TamburrinoA. SulliF. PlacentiM. SprovieriL. C. IaconoS. Passaro

subject

Ocean currentsLandformsSettore GEO/02 - Geologia Stratigrafica E SedimentologicaStratigraphyMechanical EngineeringSettore GEO/03 - Geologia StrutturaleDepositsSea levelAssociation reactionsElectrical and Electronic EngineeringInstrumentation

description

We present morphological and stratigraphic results coming from surveys acquired in a NNW-SSE trending submarine depression (Marettimo Valley) located in the Egadi Islands (western Sicily offshore). In this area the seafloor is characterized by both depositional and erosional features generated under a variety of sedimentary processes. We identified two seismic facies units that are correlatable to: A) the progradation of shallow water (coastal to offshore) deposits during forced-regression sedimentary process, and B) contourite drifts emplaced by geostrophic currents through the Marettimo Valley. This unusual association of very shallow water contourites and shelf margin deposits originates, during middle-late Pleistocene glacio-eustatic cycles, from enhanced sedimentary dynamics establishing mutual interaction between progradational growth of the margin and bottom current deposition.

yearjournalcountryeditionlanguage
2017-01-01
http://hdl.handle.net/10447/293666