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Répartition des foraminifères benthiques dans les gisements de surface du Miocè...

Cahuzac, B.; Poignant, A.

The Aquitaine Basin (southwestem France) is known since long ago for its richness in marine miocene deposits ofvarious facies. A few stratotypes concerning this period have bccn described in the investigated area. The stratigraphical framework has becn recently revised and the study of new exposures completes our knowledge on these levels. In the present work, the authors produce a biostratigraphical distributi...

Data: 1992   |   Origem: Repositório Institucional da UNL

Palaeontological data about the climatic trends from Chattian to present along ...

Lauriat-Ragei, A.; Brebioni, Ph.; Cahuzac, B.; Chaixi, Ch.; Ducasses, O.; Ginsburg, L.; Janin, M.-C.; Lozouet, P.; Margerel, J.-P.; Nascimento, A.

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 deteriora...

Data: 1992   |   Origem: Repositório Institucional da UNL

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