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Impact cratering at geologic stage boundaries (1993)

Stothers, Richard B.

In: Other Sources

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Publication Date: 2011-08-24

Description: The largest known Cenozoic impact craters with the most accurately measured ages are found to correlate very closely with geologic stage boundaries. The level of confidence in this result is 98-99 percent even under the most pessimistic assumptions concerning dating errors. One or more large impacts may have led, in at least some cases, to the extinctions and first appearances of biotic species that mark many of the geologic stage boundaries.

Keywords: GEOPHYSICS

Type: Geophysical Research Letters (ISSN 0094-8276); 20; 10; p. 887-890.

Format: text

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