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A positive test of East Antarctica-Laurentia juxtaposition within the Rodinia supercontinent.

Goodge, John W; Vervoort, J.D.; Fanning, Christopher; Brecke, D.M.; Farmer, G.L.; Williams, Ian; Myrow, Paul M; DePaolo, Donald


The positions of Laurentia and other landmasses in the Precambrian supercontinent of Rodinia are controversial. Although geological and isotopic data support an East Antarctic fit with western Laurentia, alternative reconstructions favor the juxtaposition of Australia, Siberia, or South China. New geologic, age, and isotopic data provide a positive test of the juxtaposition with East Antarctica: Neodymium isotopes of Neoproterozoic rift-margin strata are similar; hafnium isotopes of...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Science
DOI: 10.1126/science.1159189


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