Extraterrestrial impacts have left a substantial imprint on the climate and evolutionary history of Earth. A rapid carbon cycle perturbation and global warming event about 56 million years ago at the ...

Oxygenation in the tropical North Pacific Ocean increased during a warm climatic interval that occurred roughly 56 million years ago, despite high global temperatures, according to a new study. Its ...

A study of boron/calcium ratios in the shells of marine plankton suggests that the Paleocene-Eocene Thermal Maximum, a rapid global warming and ocean acidification event 55.6 million years ago that ...

56 million years ago, the Earth experienced one of the largest and most rapid climate warming events in its history: the Paleocene-Eocene Thermal Maximum (PETM), which has similarities to current and ...

The Paleocene-Eocene Thermal Maximum (PETM), a period of rapid warming 56 million years ago, saw temperatures increase by approximately 5 degrees Celsius over a few thousand years, resulting in ...

Jim Zachos holds a sediment core from the seafloor showing the red clay layer that marks the Paleocene-Eocene Thermal Maximum (PETM), a period of extreme global warming and ocean acidification around ...

The Paleocene-Eocene Thermal Maximum, or PETM, was a short interval of highly elevated global temperatures 56 million years ago that is frequently described as the best ancient analog for present-day ...

The Paleocene-Eocene Thermal Maximum: A Perturbation of Carbon Cycle, Climate, and Biosphere with Implications for the Future. Francesca A. McInerney and Scott L. Wing in Annual Review of Earth and ...

Dec. 5 (UPI) --Some 55 million years ago, Earth experienced 100,000 years of extremely high temperatures, a period of global warming known as the Paleocene-Eocene Thermal Maximum. To better understand ...

Loeblich, A. R. and Tappan, H. 1956. "Planktonic Foraminifera versus the Cretaceous-Tertiary boundary; the Paleocene and lower Eocene of the Atlantic and Gulf Coastal Plains." Transactions Gulf Coast ...