The Zanclean megaflood of the Mediterranean. Searching for independent evidence
2020
García-Castellanos, Daniel | Micallef, Aaron | Camerlenghi, Angelo | Estrada, Ferran | Ercilla, Gemma | Periáñez, R. | Abril-Hernández, J. M. | del Moral-Erencia, J. D. | Bohórquez, P.
European Geosciences Union (EGU) General Assembly, 4-8 May 2020.
Afficher plus [+] Moins [-]The Mediterranean Sea underwent restriction from the ocean and widespread salt deposition during the Messinian Salinity Crisis (MSC), allegedly leading to a kilometer-scale level drawdown by evaporation. One of the competing scenarios proposed for the termination of this environmental crisis 5.3 million years ago consists of a megaflooding event refilling the Mediterranean Sea through the Strait of Gibraltar: the Zanclean flood. The main evidence supporting this hypothesis is a nearly 390 km long and several hundred meters deep erosion channel extending from the Gulf of Cádiz (Atlantic Ocean) to the Algerian Basin (Western Mediterranean), implying the excavation of ca. 1000 km3 of Miocene sediment and bedrock.
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