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The 580-520 Ma Gondwana suture of Madagascar and its continuation into Antarctica and Africa

Boger, Steven D.; Hirdes, W.; Ferreira, C.A.M.; Jenett, T.; Dallwig, R.; Fanning, Christopher

Description

U-Pb age data from southwest Madagascar provide a compelling case that the pre-Gondwana Indian plate was stitched with the arc terranes of the Arabian Nubian Shield along a suture that closed between 580. Ma and 520. Ma. The key observations supportive of this interpretation are: (1) metamorphism dated to 630-600. Ma is manifested only on the west side of the suture in rocks that have affinities with the oceanic and island arc terranes of the Arabian Nubian Shield, or which represent...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/57836
Source: Gondwana Research
DOI: 10.1016/j.gr.2014.08.017

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