Year: 2009
Type: article
Abstract: A catastrophic bolide impact at 12.9 ka has been proposed by Firestone and colleagues to explain Younger Dryas cooling and megafauna extinction in North America. Radiocarbon dating of carbon spherules supposedly formed during this ET event do not support the hypothesis.
Author: B. P. Richard Gillespie
Institution: University of Wollongong
Language: English
Subfield: Atmospheric Science
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W1623614584