Integrated stratigraphy of the Eocene Wilkes Land Margin, Antarctica; preliminary results from IODP Expedition 318: dinoflagellate cyst and TEX86 results

IODP Leg 318 recovered sediment cores from the Antarctic Wilkes Land Margin dating back into the early Eocene, the warmest time interval of the Cenozoic era. These cores provide a first insight into environmental dynamics of an ice-free Antarctica. The onboard and postcruise studies have resulted in...

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Bibliographic Details
Main Authors: Bijl, P.K., Bendle, J.A., Pross, J., Schouten, S., Röhl, U., Stickley, C.E., Olney, M., Tauxe, L., Bohaty, S.M., Brinkhuis, H., Escutia, C.
Format: Conference Object
Language:English
Published: 2011
Subjects:
Aardwetenschappen
Antarctic
The Antarctic
Wilkes Land
Antarc*
Antarctica
Online Access:https://dspace.library.uu.nl/handle/1874/242110
Description
Summary:IODP Leg 318 recovered sediment cores from the Antarctic Wilkes Land Margin dating back into the early Eocene, the warmest time interval of the Cenozoic era. These cores provide a first insight into environmental dynamics of an ice-free Antarctica. The onboard and postcruise studies have resulted in a well-constrained age model, and the multidisciplinary biogeochemical and micropaleontological data allows detailed paleoecological interpretations. Here we present the results of a high-resolution dinocyst study on the Eocene recovered at IODP Site U1356. We evaluate relative sea level and productivity fluctuations and put the record of dinocyst endemism in the context of the regional tectonic evolution of the Australo-Antarctic continental breakup

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