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Age model and core-seismic integration for the Cenozoic Arctic Coring Expedition sediments from the Lomonosov Ridge

Age model and core-seismic integration for the Cenozoic Arctic Coring Expedition sediments from the Lomonosov Ridge,10.1029/2007PA001476,Paleoceanogra

Age model and core-seismic integration for the Cenozoic Arctic Coring Expedition sediments from the Lomonosov Ridge  
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Jan Backman, Martin Jakobsson, Martin Frank, Francesca Sangiorgi, Henk Brinkhuis, Catherine Stickley, Matthew O'Regan, Reidar Løvlie, Heiko Pälike, David Spofforth, Jérôme Gattacecca, Kate Moranhttp://academic.research.microsoft.com/io.ashx?type=5&id=48904986&selfId1=0&selfId2=0&maxNumber=12&query=
Cenozoic biostratigraphic, cosmogenic isotope, magnetostratigraphic, and cyclostratigraphic data derived from Integrated Ocean Drilling Program Expedition 302, the Arctic Coring Expedition (ACEX), are merged into a coherent age model. This age model has low resolution because of poor core recovery, limited availability of biostratigraphic information, and the complex nature of the magnetostratigraphic record. One 2.2 Ma long hiatus occurs in the late Miocene; another spans 26 Ma (18.2–44.4 Ma). The average sedimentation rate in the recovered Cenozoic sediments is about 15 m/Ma. Core-seismic correlation links the ACEX sediments to the reflection seismic stratigraphy of line AWI-91090, on which the ACEX sites were drilled. This seismostratigraphy can be correlated over wide geographic areas in the central Arctic Ocean, implying that the ACEX age model can be extended well beyond the drill sites.
Journal: Paleoceanography , vol. 23, no. 1, 2008
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