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Book Chapter

The tectonic context of the Early Palaeozoic southern margin of Gondwana

By
Robert J. Pankhurst
Robert J. Pankhurst
1
British Geological Survey
,
Keyworth, Nottingham NG12 5GG
,
UK
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Alan P. M. Vaughan
Alan P. M. Vaughan
2
British Antarctic Survey
,
High Cross, Madingley Road, Cambridge CB3 0ET
,
UK
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Published:
January 01, 2009

Abstract

The oceanic southern margin of Gondwana, from southern South America through South Africa, West Antarctica, New Zealand (in its pre-break-up position), and Victoria Land to Eastern Australia, is one of the longest and longest-lived active continental margins known. Its construction was initiated in late Neoproterozoic times following the break-up of the pre-existing supercontinent of Rodinia. Gondwana was established by the amalgamation of Australian, Indian, Antarctic, African and South American continental fragments mostly derived from Rodinia. Its ‘Pacific’ margin continued to develop as the site of the 18 000 km Terra Australis orogen, predominantly facing subducting ocean floor and involving some terrane accretion events, through Palaeozoic and Mesozoic times until, and during, the eventual break-up of Gondwana itself.

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Geological Society, London, Special Publications

Early Palaeozoic Peri-Gondwana Terranes: New Insights from Tectonics and Biogeography

M. G. Bassett
M. G. Bassett
National Museum of Wales, Cardiff, UK
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Geological Society of London
Volume
325
ISBN electronic:
9781862395732
Publication date:
January 01, 2009

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