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Reworking of Earth's first crust: Constraints from Hf isotopes in Archean zircons from Mt. Narryer, Australia

Nebel-Jacobsen, Yona; Munker, Carsten; Nebel, Oliver; Gerdes, A; Mezger, Klaus; Nelson, D.R.

Description

Discoveries of >4. Ga old zircon grains in the northwest Yilgarn of Western Australia led to the conclusion that evolved crust formed on the Earth within the first few 100. Ma after accretion. Little is known, however, about the fate of the first crust that shaped early Earth's surface. Here we report combined solution and laser-ablation Lu-Hf-U-Pb isotope analyses of early Archean and Hadean detrital zircon grains from different rocks of the Narryer Gneiss Complex (NGC), Yilgarn Craton,...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/62893
Source: Precambrian Research
DOI: 10.1016/j.precamres.2010.07.002

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