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

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

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...

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Bibliographic Details
Main Authors: Glikson, A., Hickman, A., Evans, Noreen, Kirkland, Chris, Park, J., Rapp, R., Romano, S.
Format: Journal Article
Published: Elsevier BV 2016
Online Access:http://hdl.handle.net/20.500.11937/8488

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