Cyclostratigraphy and eccentricity tuning of the early Oligocene through early Miocene (30.1–17.1 Ma): Cibicides mundulus stable oxygen and carbon isotope records from Walvis Ridge Site 1264

Diederik Liebrand,Helen M. Beddow,Lucas J. Lourens,Heiko Pälike,Isabella Raffi,Steven M. Bohaty,Frederik J. Hilgen,Mischa J.M. Saes,Paul A. Wilson, Arnold E. van Dijk,David A. Hodell,Dick Kroon,Claire E. Huck,Sietske J. Batenburg

Earth and Planetary Science Letters（2016）

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摘要

•Oligo-Miocene benthic foraminiferal stable O and C isotope records from Site 1264.•Recurrent episodes of high-amplitude ∼110-kyr cycles present in benthic δ18O record.•Climate and cryosphere variability paced by ∼110- and 405-kyr eccentricity cycles.•Carbon cycle pacing by the 405-kyr and ∼2.4-Myr eccentricity cycles.

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关键词

integrated stratigraphy,palaeoclimatology,Oligocene–Miocene transition,astronomical climate forcing,Ocean Drilling Program Site 1264 (Walvis Ridge),Antarctic ice sheet

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