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Tectono-thermal evolution of the Maud Belt: New SHRIMP U-Pb data from Gjelsvikfjella, Dronning Maud Land, East Antarctica

Bisnath, Avinash; Frimmel, H E; Armstrong, Richard; Board, W.S.

Description

The Maud Belt in Dronning Maud Land (western East Antarctic Craton) preserves a high-grade polyphase tectono-thermal history with two orogenic episodes of Mesoproterozoic (1.2-1.0 Ga) and Neoproterozoic (0.6-0.5 Ga) age. New SHRIMP U-Pb zircon data from southern Gjelsvikfjella in the northeastern part of the belt make it possible to differentiate between a series of magmatic and metamorphic events. The oldest event recorded is the formation of an extensive 1140-1130 Ma volcanic arc. This was...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/27273
Source: Precambrian Research
DOI: 10.1016/j.precamres.2006.06.009

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