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…
Archives
Meteoritical Bulletin updates
- Northeast Africa 120 (Angrite)
- Northwest Africa 18158 (Lunar (feldsp. melt breccia))
- Northeast Africa 119 (Eucrite-pmict)
- Northwest Africa 18156 (Diogenite)
- Northwest Africa 18154 (Mesosiderite-A3)
- Northwest Africa 18153 (Lunar (feldsp. melt breccia))
- Northwest Africa 18137 (LL7)
- Rafsa 008 (Lunar)
- Northwest Africa 18094 (Diogenite)
- Northwest Africa 18092 (Howardite)
- Northwest Africa 18086 (LL3-7-melt breccia)
- Northwest Africa 18087 (Angrite)
- Northwest Africa 18080 (Howardite)
- Northwest Africa 18079 (CV3)
- Tin-Essako 005 (Lunar (feldsp. melt breccia))
- Al Khuwaymat 004 (Lunar (troct. melt breccia))
- Tilemsi 001 (Howardite)
- Northwest Africa 18047 (Howardite)
- Northwest Africa 18045 (Lunar (melt breccia))
- Northwest Africa 18027 (Martian (nakhlite))































