Yarrabubba impact structure, Australia, dated to 2224 - 2234 Ma (end of Snowball Earth) 30JAN2020

 Yarrabubba impact structure, Australia, dated to 2224 - 2234 Ma (end of Snowball Earth)

Earth's oldest asteroid strike linked to 'big thaw'

Curtin University, January 22, 2020

https://www.sciencedaily.com/releases/2020/01/200122100546.htm

 

the open access paper is:

 

Timmons M. Erickson, Christopher L. Kirkland, Nicholas

E. Timms, Aaron J. Cavosie, Thomas M. Davison. Precise

radiometric age establishes Yarrabubba, Western

Australia, as Earth’s oldest recognised meteorite

impact structure. Nature Communications, 2020; 11 (1)

DOI: 10.1038/s41467-019-13985-7

https://www.nature.com/articles/s41467-019-13985-7

 

Yours,

 

Paul H.