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Title: Palaeontological data about the climatic trends from Chattian to present along the Northeastern Atlantic frontage
Authors: Lauriat-Ragei, A.
Brebioni, Ph.
Cahuzac, B.
Chaix, Ch.
Ducasses, O.
Ginsburg, L.
Janin, M.-C.
Lozouet, P.
Margerel, J.-P.
Nascimento, A.
Pais, João
Poignant, A.
Pouyet, S.
Roman, J.
Keywords: Climatic changes
Northeastern Atlantic
Issue Date: 1992
Abstract: Climatic changes that affected the Northeastern Atlantic frontage are analyzed on the basis of the evolution of faunas and floras from the late Oligocene onwards. The study deals with calcareous nannoplankton, marine micro- and macrofaunas, some terrestrial vertebrates and vegetal assemblages. The climate, first tropical, underwent a progressive cooling (North-South thermic gradient). Notable climatic deteriorations (withdrawal towards the South or disappearance of taxa indicative of warm climate and appearance of "cold" taxa) are evidenced mainly during the Middle Miocene and the late Pliocene. Faunas and floras of modern pattern have regained, after the Pleistocene glaciations, a new climatic ranging of a temperate type in the northern part.
Appears in Collections:FCT: DCT - Ciências da Terra

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