Research NewsExtinctions

Cores Document Ancient Catastrophe

Science  28 Feb 1997:
Vol. 275, Issue 5304, pp. 1265
DOI: 10.1126/science.275.5304.1265

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Summary

Two new cores of ancient sea-floor muds preserve debris from the giant impact at the end of the Cretaceous period. And one core, drilled through a New Jersey state park, documents that many marine species went extinct at the moment the impact struck.

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