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Phase Transitions and Mantle Mixing: Effects of Three-Dimensionality and Temperature-Dependent Viscosity, and Relationship to Observational Constraints

Tackley, Paul J. (1995) Phase Transitions and Mantle Mixing: Effects of Three-Dimensionality and Temperature-Dependent Viscosity, and Relationship to Observational Constraints. In: Study of the earth's deep interior: SEDI Symposium held on 7-12 August 1994. Elsevier , Amsterdam, pp. 153-154. https://resolver.caltech.edu/CaltechAUTHORS:20150204-154159238

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Abstract

In recent years there has been much interest in the question of mantle layering induced by the endothermic phase transition at 670 km depth, and a partially or intermittently layered mantle characterized by accumulation of downwellings in the transition zone and catastrophic avalanches into the lower mantle has been indicated by several numerical studies. Now that this basic pattern has been established, the challenge is to better constrain how the model results relate to convection with the actual Earth, by (1) improving the realism of numerical models, including such effects as three-dimensionality (3-D) and temperature-dependent viscosity, and (2) relating the theoretical results to a wider range of observations. Thus, this talk will focus on these issues.


Item Type:Book Section
Additional Information:© 1995 Elsevier Science B.V.
Record Number:CaltechAUTHORS:20150204-154159238
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150204-154159238
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54393
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:05 Feb 2015 23:23
Last Modified:03 Oct 2019 07:57

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