A new ∼3.46Ga asteroid impact ejecta unit at Marble Bar, Pilbara Craton, Western Australia: a petrological, microprobe and laser ablation ICPMS study

• Published in: Precambrian Research
• Main Authors: Glikson, Andrew, Hickman, Arthur, Evans, Noreen J., Kirkland, Christopher L., Park, Jung-Woo, Rapp, Robert, Romano, Sandra
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Elsevier 2016
• Subjects: Impact; Spherules; Archean; Geochemistry; Pilbara; Marble Bar; Antarctic; Byerly; Lowe; The Antarctic; Antarc*
• Online Access: http://hdl.handle.net/1885/109132; https://doi.org/10.1016/j.precamres.2016.04.003

The Archean rock record contains seventeen asteroid impact ejecta units that represent the terrestrial vestiges of an extended late heavy bombardment (LHB). Correlated impact ejecta units include 3472–3470 Ma impact spherule layers in the Barberton Greenstone Belt, Kaapvaal Craton, South Africa, and...