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    Article

    Evidence for middle Eocene Arctic sea ice from diatoms and ice-rafted debris

    Sea ice has not always existed in the Arctic and indeed little is known about the sea-ice history of this climatically sensitive region. The recent discovery of ice-rafted debris in middle Eocene ocean sedimen...

    Catherine E. Stickley, Kristen St John, Nalân Koç, Richard W. Jordan… in Nature (2009)

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    Article

    The Cenozoic palaeoenvironment of the Arctic Ocean

    The history of the Arctic Ocean during the Cenozoic era (0–65 million years ago) is largely unknown from direct evidence. Here we present a Cenozoic palaeoceanographic record constructed from >400 m of sedimen...

    Kathryn Moran, Jan Backman, Henk Brinkhuis, Steven C. Clemens, Thomas Cronin… in Nature (2006)