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Heterogeneous Hadean Hafnium: Evidence of Continental Crust at 4.4 to 4.5 Ga

Harrison, Timothy; Blichert-Toft, Janne; Mueller, Wolfgang; Albarede, Francis; Holden, Peter; Mojzsis, Stephen


The long-favored paradigm for the development of continental crust is one of progressive growth beginning at ∼4 billion years ago (Ga). To test this hypothesis, we measured initial176Hf/177Hf values of 4.01- to 4.37-Ga detrital zircons from Jack Hills,

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Science
DOI: 10.1126/science.1117926


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