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The Pliocene (/ ˈ p l aɪ. ə s iː n, ˈ p l aɪ. oʊ-/ PLY-ə-seen, PLY-oh-; [6] [7] also Pleiocene) [8] is the epoch in the geologic time scale that extends from 5.33 to 2.58 [9] million years ago (Ma). It is the second and most recent epoch of the Neogene Period in the Cenozoic Era. The Pliocene follows the Miocene Epoch and is followed by ...
The Mid-Piacenzian Warm Period (mPWP) (prior to 2009 known as the Middle Pliocene Warm Period), or the Pliocene Thermal Maximum, was an interval of warm climate during the Pliocene epoch that lasted from 3.3 to 3.0 million years ago (Ma).
The diagram at the right shows a basic one-box model. The reservoir contains the amount of material M under consideration, as defined by chemical, physical or biological properties. The source Q is the flux of material into the reservoir, and the sink S is the flux of material out of the reservoir. The budget is the check and balance of the ...
The Piacenzian is in the international geologic time scale the upper stage or latest age of the Pliocene. It spans the time between 3.6 ± 0.005 Ma and 2.58 Ma (million years ago). The Piacenzian is after the Zanclean and is followed by the Gelasian (part of the Pleistocene ).
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Open ocean convection is a process in which the mesoscale ocean circulation and large, strong winds mix layers of water at different depths. Fresher water lying over the saltier or warmer over the colder leads to the stratification of water, or its separation into layers. Strong winds cause evaporation, so the ocean surface cools, weakening the ...
Marine geology or geological oceanography is the study of the history and structure of the ocean floor. It involves geophysical, geochemical, sedimentological and paleontological investigations of the ocean floor and coastal zone.
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 ...