Giant impacts and the origin and evolution of continents
· by karmaka · in Earth, impact / impact-structures
Tim E. Johnson, Christopher L. Kirkland, Yongjun Lu, R. Hugh Smithies, Michael Brown & Michael I. H. Hartnady Nature, Volume 608, pages 330–335 (2022)Published: 10 August 2022 LINK “Earth is the only planet known to…
Transmission electron microscopy of impact‐generated platinum group element alloys from Barberton spherule layers: New clues to their formation
· by karmaka · in impact / impact-structures
Mohr‐Westheide, T. , Greshake, A. , Wirth, R. and Reimold, W. U. Meteorit Planet Sci. . doi:10.1111/maps.13109 LINK “The oldest known large bolide impacts onto Earth are represented by approximately 3.47–3.2 Ga old Archean spherule…
A new ∼3.46 Ga asteroid impact ejecta unit at Marble Bar, Pilbara Craton, Western Australia: A petrological, microprobe and laser ablation ICPMS study
· by karmaka · in impact / impact-structures
Andrew Glikson, Arthur Hickman, Noreen J. Evans, Christopher L. Kirkland, Jung-Woo Park, Robert Rapp, Sandra Romano Precambrian Research Volume 279, July 2016, Pages 103–122 LINK “The Archean rock record contains seventeen asteroid impact ejecta units…
