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The basement of the Punta del Este Terrane (Uruguay): An African Mesoproterozoic fragment at the eastern border of the South American Río de La Plata craton

Basei, Miguel Angelo Stipp; Peel, Elena; Bettucci, Leda Sanchez; Preciozzi, F; Nutman, Allen

Description

The Punta del Este Terrane (eastern Uruguay) lies in a complex Neoproterozoic (Brasiliano/Pan-African) orogenic zone considered to contain a suture between South American terranes to the west of Major Gercino-Sierra Ballena Suture Zone and eastern African affinities terranes. Zircon cores from Punta del Este Terrane basement orthogneisses have U-Pb ages of ca. 1,000 Ma, which indicate an lineage with the Namaqua Belt in Southwestern Africa. U-Pb zircon ages also provide the following...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/54296
Source: International Journal of Earth Sciences (Geologische Rundschau)
DOI: 10.1007/s00531-010-0623-1

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