Zhong, Shijie and Gurnis, Michael (1995) Mantle Convection with Plates and Mobile, Faulted Plate Margins. Science, 267 (5199). pp. 838-843. ISSN 0036-8075. doi:10.1126/science.267.5199.838. https://resolver.caltech.edu/CaltechAUTHORS:20121128-133010987
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Abstract
A finite-element formulation of faults has been incorporated into time-dependent models of mantle convection with realistic rheology, continents, and phase changes. Realistic tectonic plates naturally form with self-consistent coupling between plate and mantle dynamics. After the initiation of subduction, trenches rapidly roll back with subducted slabs temporarily laid out along the base of the transition zone. After the slabs have penetrated into the lower mantle, the velocity of trench migration decreases markedly. The inhibition of slab penetration into the lower mantle by the 670-kilometer phase change is greatly reduced in these models as compared to models without tectonic plates.
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| Additional Information: | © 1995 American Association for the Advancement of Science. Published February 10, 1995. This work is based in part on one chapter of S.Z.'s thesis (University of Michigan, 1994). (S.Z. thanks G. Hulbert, H. Pollack, L. Ruff, and K. Satake). Funded by the David and Lucile Packard Foundation and NSF grant EAR-9496185. S.Z. is supported by a Texaco Fellowship at the California Institute of Technology. Some computations were performed at the Pittsburgh Supercomputer Center. Contribution 5451 of the Division of Geological and Planetary Sciences of the California Institute of Technology. | |||||||||
| Group: | Seismological Laboratory | |||||||||
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| Issue or Number: | 5199 | |||||||||
| DOI: | 10.1126/science.267.5199.838 | |||||||||
| Record Number: | CaltechAUTHORS:20121128-133010987 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20121128-133010987 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 35711 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | INVALID USER | |||||||||
| Deposited On: | 28 Nov 2012 23:40 | |||||||||
| Last Modified: | 09 Nov 2021 23:17 |
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