Priabonian


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Priabonian

[‚prē·ə′bō·nē·ən]
(geology)
A European stage of geologic time in the upper Eocene, believed to consist of Auversian and Bartonian.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Meghalayana indica is reported only from the Late Eocene (Priabonian) of India (Matsumaru and Sarma, 2010) where as in Kirthar Formation it appears first in SBZ 18 and ranges to Late Eocene, thus extends its range downwards.
Time interval: Late Eocene (Priabonian) to early Pleistocene (Gelasian).
Sediments in the Fushun Basin were formed earliest and its basalt age indicated the evolution time of 66 Ma, while the pollen record showed its sedimentation age to be the Selandian and the end age the Priabonian [7-9].
The most important and common foraminifera in section, are:Nummulitesfabianii, Turborotaliacerroazulensis, Globigrinaeocaena .This Acme zone 4 corresponds to the SBZ19, and is considered to be Priabonian in age (Table1).
2006) defined within the Priabonian Submeseta Allomember, and this unit was deposited at 34.2 Ma based on [sup.87]/[sup.86]Sr dates (Dingle & Lavelle 1998).
Late Eocene (Priabonian) fish otoliths from the Yazoo Clay at Copenhagen, Louisiana.
The biostratigraphic and sedimentary facies analysis shows that epicontinental marine sedimentation took place in inner to outer shelf settings in middle Lutetian to Priabonian times, the deposition in the lower Oligocene time occurred in mid to high tidal flat settings prior to subsequent filling of the north Sulaiman Basin in upper Oligocene and Miocene time with fluvial sediments in response to the uplift associated with India-Asia collision.
(1963) Hill (Priabonian; colwellettsis, Formation, see King, 2010) C.
It is during the Priabonian when the biodiversity decreased significantly in both sides of the Atlantic Ocean.