Scientists used geologic records from deep-sea drill cores to extend the astronomical time scale beyond 50 million years, by about 8 million years. Using their new chronology, they provide a new age for the Paleocene-Eocene boundary (56.01 Ma) with a small margin of error (0.1%).
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Thursday, August 29, 2019
Deep-sea sediments reveal solar system chaos: An advance in dating geologic archives
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