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Large-scale mantle convection and the aggregation and dispersal of supercontinents

Gurnis, Michael (1988) Large-scale mantle convection and the aggregation and dispersal of supercontinents. Nature, 332 (6166). pp. 695-699. ISSN 0028-0836. doi:10.1038/332695a0.

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The first time-dependent numerical simulations of continental aggregation and dispersal demonstrate a dynamic feedback between the motion of continental plates and mantle convection. Plate velocity is intrinsically episodic. Continental plates aggregate over cold downwellings and inhibit subduction and mantle cooling; the mantle overheats and fragments the continent under tension. Overall, the models are in agreement with the present geophysical state of the mantle and the geological record over the last 200 million years.

Item Type:Article
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Gurnis, Michael0000-0003-1704-597X
Additional Information:© 1988 Nature Publishing Group. Received 20 November 1987; accepted 7 March 1988. Discussions and valuable reviews were provided by Don Anderson and Bradford Hager. The work was supported by the NSF and a grant from the Ametek Corporation. Computing was carried out on the facilities of the San Diego Supercomputer Center.
Group:Seismological Laboratory
Funding AgencyGrant Number
Ametek CorporationUNSPECIFIED
Issue or Number:6166
Record Number:CaltechAUTHORS:20130215-102100310
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36950
Deposited By: Tony Diaz
Deposited On:15 Feb 2013 23:50
Last Modified:09 Nov 2021 23:25

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