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Asteroid impact connections of crustal evolution

Glikson, Andrew; Vickers, J

Description

Advances in isotopic age determinations increasingly point to the episodic nature of the evolution of lithosphere and crust, and in this paper well-documented field and geochemical evidence is to be reviewed, which indicates that at least some of these episodes were associated with large asteroid impacts. Observed overlaps between early Precambrian impacts (~3.47, ~2.63, ~2.56, ~2.48, ~2.023 Ga (Vredefort) and 1.85 Ga (Sudbury)) and isotopic age frequency peaks, defined within age errors, while...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/23064
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120090903416211

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