[meteorite-list] Earth’s ‘oldest’ impact structure is much younger than previously thought – new study

[Paul]

Earth’s ‘oldest’ impact crater is much younger than previously thought – new study
Aaron Cavosie and Alec Brenner, The Conversation, July 9, 2025, 
https://theconversation.com/earths-oldest-impact-crater-is-much-younger-than-previously-thought-new-study-259803

Note: “impact structure" is the correct terminology as the crater has long since
destroyed by erosion and tectonics.

The open access papers are:

Kirkland, Christopher L.; Johnson, Tim E.; Kaempf, Jonas; Ribeiro, Bruno V.; 
Zametzer, Andreas; Smithies, R. Hugh; McDonald, Brad (6 March 2025). 
"A Paleoarchaean impact crater in the Pilbara Craton, Western Australia". Nature 
Communications. 16 (1): 2224. ISSN 2041-1723. PMC 11885519. PMID 40050265.
https://www.nature.com/articles/s41467-025-57558-3
https://pmc.ncbi.nlm.nih.gov/articles/PMC11885519/

Brenner, Alec R.; Cavosie, Aaron J.; Palma-Gomez, Jasmine; Li, Joanna; 
Kingsbury Lee, Sophie-An; Fu, Roger R. (11 July 2025). "Geology and Mars
analog potential of the <2.7-billion-year-old Miralga impact structure, North 
Pole Dome, Pilbara Craton, Australia". Science Advances. 11 (28). 
https://www.science.org/doi/10.1126/sciadv.adu5379

Yours,

Paul H.