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The Messinian salinity crisis resulted in major extinctions of marine fish and other marine fauna native to the basin. [50] [51] [52] The present day biodiversity gradient of the Mediterranean, where diversity decreases eastward, developed after the crisis. [53] The land mammal faunas of the Mediterranean also suffered diversity losses. [54]
This triggered the Messinian Salinity Crisis with the formation of thick salt deposits on the former seafloor [7] and erosion of the continental slopes. [8] The Nile and Rhône carved deep canyons during this time. [4] Water levels in the Mediterranean during this time dropped by kilometres. [9]
More than one million cubic kilometres of salt were deposited on the Mediterranean seabed, with salt deposits in some locations exceeding 3 km in thickness. This period, known as the Messinian Salinity Crisis (MSC), lasted around 640,000 years until a catastrophic flood through the Strait of Gibraltar. known as the Zanclean flood. After ...
The Zanclean flood marked the beginning of the age and the end of the Messinian, as water poured in from the Atlantic Ocean through the Strait of Gibraltar to deluge the Mediterranean Basin and end the Messinian salinity crisis, a period about 5.96 Ma ago in the Messinian Age of the Miocene Epoch when the Mediterranean Sea had evaporated partly ...
English: The animation shows the salinity crisis of Messiniense in the Mediterranean Sea, that took place in the Miocene geological era, characterized by the accumulation of masses of salt on its bottom and probably including a period of almost complete desiccation (00:49 minutes)
The Global Boundary Stratotype Section and Point for the Messinian is located in a section at Oued Akrech, near the Moroccan capital Rabat. [7] The top of the Messinian (the base of the Zanclean Stage and Pliocene Series) lies with the top of magnetic chronozone Cr3 (about 100,000 years before the Thvera normal subchronozone C3n.4n).
The Messinian Erosional Crisis is a phase in the Messinian evolution of the central Mediterranean basin resulting from major drawdown of the Mediterranean seawater (the "Messinian Salinity Crisis"). As outlined in numerous studies, erosional events along the margins of the Mediterranean Basin during the Messinian timespan, before and during the ...
During the Messinian of late Miocene, the Messinian salinity crisis occurred as a result of sea-level fall and major uplift, causing deposition of evaporites over the Mediterranean basin. The dry climate resulted in extensive erosion in high-standing regions of the plateau.