Deep-sea sediments reveal solar system chaos: An advance in dating geologic archives

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%).

from Latest Science News -- ScienceDaily https://ift.tt/2ZArsr4

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