The role of detrital zircons in Hadean crustal research
Meso-Archean sedimentary sequences at Mt. Narryer and the Jack Hills of the Narryer Terrane in Western Australia's Yilgarn Craton contain detrital zircon grains with ages as old as 4.37. Ga, the oldest preserved terrestrial matter. These grains are rare remnants of Hadean (4.5-4.0. Ga) terrestrial crust and their survival stems from the crystallographic properties of zircon during crustal reworking: they are resistant to physical and chemical weathering. Zircons are further suitable for single...[Show more]
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