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Provenance connections between late Neoproterozoic and early Palaeozoic sedimentary basins of the Ross Sea region, Antarctica, south-east Australia and southern Zealandia

Adams, C.J; Bradshaw, J.D.; Ireland, Trevor


Thick successions of turbidites are widespread in the Ross-Delamerian and Lachlan orogens and are now dispersed through Australia, Antarctica and New Zealand. U-Pb detrital zircon age patterns for latest Precambrian, Cambrian and Ordovician metagreywackes show a closely related provenance. The latest Neoproterozoic-early Palaeozoic sedimentary rocks have major components, at c. 525, 550, and 595 Ma, i.e. about 40-80 million years older than deposition. Zircons in these components increase from...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Antarctic Science
DOI: 10.1017/S0954102013000461


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