The changing face of late Precambrian and early Palaeozoic reconstructions

Storey, B.C.. 1993 The changing face of late Precambrian and early Palaeozoic reconstructions. Journal of the Geological Society, 150 (4). 665-668. https://doi.org/10.1144/gsjgs.150.4.0665

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Official URL: https://doi.org/10.1144/gsjgs.150.4.0665

Abstract/Summary

The SWEAT hypothesis, linking the Southwest US and East Antarctica as conjugate rift margins of a Neoproterozoic continent has lead to major revisions of late Precambrian and early Cambrian reconstructions. Geological evidence summarized here supports separation of Antarctica from Laurentia c. 750 Ma ago. A possible link between the break-up of a Neoproterozoic supercontinent and amalgamation of Gondwana during Pan-African times suggests that the Neoproterozoic was a time of rapid tectonic change. This conflicts with those theories that predict regular supercontinental cycles of 500 Ma from the time of disintegration of one supercontinent to its eventual reassembly.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1144/gsjgs.150.4.0665
ISSN:	0016-7649
Date made live:	17 Oct 2017 10:23 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/518080

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1144/gsjgs.150.4.0665

ISSN:

0016-7649

Date made live:

17 Oct 2017 10:23 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/518080