Swinging abyss: Oxygen isotope analysis shows less dynamic Antarctic ice sheet in Oligocene period

Oxygen isotopes data enable researchers to look far back into the geologic past and reconstruct the climate of the past. In ...
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Climate transition at the Eocene–Oligocene influenced by bathymetric changes to the Atlantic–Arctic oceanic gateways

Proceedings of the National Academy of Sciences of the United States of America, Vol. 119, No. 17 (April 26, 2022), pp. 1-9 (9 pages) The Eocene–Oligocene Transition (∼33.9 Ma) marks the largest step ...