Terrestrial catastrophe caused by cometary impact at the end of Cretaceous

Details Terrestrial catastrophe caused by cometary impact at the end of Cretaceous Terrestrial catastrophe caused by cometary impact at the end of Cretaceous

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.285..201h&link_type=abstract

Nature, Volume 285, Issue 5762, pp. 201-203 (1980).

Astronomy and Astrophysics

Astrophysics

30

Scientific paper

Evidence is presented indicating that the extinction, at the end of the Cretaceous, of large terrestrial animals was caused by atmospheric heating during a cometary impact and that the extinction of calcareous marine plankton was a consequence of poisoning by cyanide released by the fallen comet and of a catastrophic rise in calcite-compensation depth in the oceans after the detoxification of the cyanide.

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