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Cretaceous Vertical Motion of Australia and the Australian-Antarctic Discordance

Gurnis, Michael and Müller, R. Dietmar and Moresi, Louis (1998) Cretaceous Vertical Motion of Australia and the Australian-Antarctic Discordance. Science, 279 (5356). pp. 1499-1504. ISSN 0036-8075. doi:10.1126/science.279.5356.1499.

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A three-dimensional model of mantle convection in which the known history of plate tectonics is imposed predicts the anomalous Cretaceous vertical motion of Australia and the present-day distinctive geochemistry and geophysics of the Australian-Antarctic Discordance. The dynamic models infer that a subducted slab associated with the long-lived Gondwanaland-Pacific converging margin passed beneath Australia during the Cretaceous, partially stagnated in the mantle transition zone, and is presently being drawn up by the Southeast Indian Ridge.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle
Gurnis, Michael0000-0003-1704-597X
Müller, R. Dietmar0000-0002-3334-5764
Moresi, Louis0000-0003-3685-174X
Additional Information:© 1998 American Association for the Advancement of Science. Received 3 November 1997; accepted 28 January 1998. This report represents contribution 8489 of the Division of Geological and Planetary Sciences, California Institute of Technology. Some of the work reported here was conducted as part of the Australian Geodynamics Cooperative Research Centre (AGCRC) and is published with the consent of the Director, AGCRC. We thank J. Veevers for taking the time to discuss the geologic constraints on Mesozoic subduction beneath Australia and K. Gallagher and J. Veevers for helpful comments on the manuscript.
Group:Seismological Laboratory
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Caltech Division of Geological and Planetary Sciences8489
Issue or Number:5356
Record Number:CaltechAUTHORS:20130122-104450270
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36509
Deposited On:22 Jan 2013 23:47
Last Modified:09 Nov 2021 23:22

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