Earth’s ‘oldest’ impact structure is much younger than previously thought – new study
Earth’s ‘oldest’ impact crater is much younger than previously thought – new study
Aaron Cavosie and Alec Brenner, The Conversation, July 9, 2025,
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.
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).
Yours,
Paul H.
