Vaalbara Palaeomagnetism

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Title: Vaalbara Palaeomagnetism
Authors: Evans, ME
Muxworthy, AR
Item Type: Journal Article
Abstract: Vaalbara is the name given to a proposed configuration of continental blocks—the Kaapvaal craton (southern Africa) and the Pilbara craton (north-western Australia)—thought to be the Earth’s oldest supercraton assemblage. Its temporal history is poorly defined, but it has been suggested that it was stable for at least 400 million years, between 3.1 and 2.7 Ga. Here, we present an updated analysis that shows that the existence of a single supercraton between ∼2.9 and ∼2.7 Ga is inconsistent with the available palaeomagnetic data.
Issue Date: 17-Aug-2018
Date of Acceptance: 1-Aug-2018
URI: http://hdl.handle.net/10044/1/62844
DOI: https://doi.org/10.1139/cjes-2018-0081
ISSN: 0008-4077
Publisher: NRC Research Press
Start Page: 912
End Page: 916
Journal / Book Title: Canadian Journal of Earth Sciences
Volume: 56
Issue: 9
Copyright Statement: © 2018 The authors. Permission for reuse (free in most cases) can be obtained from RightsLink.
Keywords: Science & Technology
Physical Sciences
Geosciences, Multidisciplinary
Geology
PILBARA CRATON
WESTERN-AUSTRALIA
SOUTHERN AFRICA
USUSHWANA COMPLEX
MODIPE GABBRO
AGE
BADDELEYITE
PONGOLA
DYKES
ROCKS
Geology
04 Earth Sciences
Publication Status: Published
Online Publication Date: 2018-08-17
Appears in Collections:Faculty of Engineering
Earth Science and Engineering



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