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Modeling the Volcanism on Mars

Weizman, A. and Stevenson, D. J. and Prialnik, D. and Podolak, M. (2001) Modeling the Volcanism on Mars. Icarus, 150 (2). pp. 195-205. ISSN 0019-1035. https://resolver.caltech.edu/CaltechAUTHORS:20130701-152809043

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Abstract

The total amount of melt produced in Mars during its evolution is estimated by means of a parameterized, one-dimensional, analytic mantle convection model that assumes a stagnant lid and whole mantle convection. The fertility of the mantle—defined as the potential to create basalt—and its variation with time are taken into account. The model is composed of core, mantle, and lithosphere, with two boundary layers separating them. The contributions to volcanism by pressure release melting (PRM), and by plumes from the core–mantle boundary layer, are compared and discussed. We show that such models tend to produce considerable melting during the early evolution of the planet, and that the amount of melting depends strongly on the abundances of radioactive elements. Although the model’s assumptions may not be valid for the early evolution of the planet, the model is relevant to the later history, which is insensitive to initial conditions.We find that PRM volcanism should have ceased between 1 and 2.5 Byr ago and any recent volcanic activity must have originated in plumes.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://www.sciencedirect.com/science/article/pii/S0019103500965722PublisherArticle
http://dx.doi.org/10.1006/icar.2000.6572DOIArticle
ORCID:
AuthorORCID
Stevenson, D. J.0000-0001-9432-7159
Additional Information:© 2001 by Academic Press. Received September 24, 1999; revised September 28, 2000.
Subject Keywords:Mars; Mars, interior; Volcanism
Issue or Number:2
Record Number:CaltechAUTHORS:20130701-152809043
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130701-152809043
Official Citation:A. Weizman, D.J. Stevenson, D. Prialnik, M. Podolak, Modeling the Volcanism on Mars, Icarus, Volume 150, Issue 2, April 2001, Pages 195-205, ISSN 0019-1035, http://dx.doi.org/10.1006/icar.2000.6572.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39173
Collection:CaltechAUTHORS
Deposited By: John Wade
Deposited On:01 Jul 2013 22:45
Last Modified:03 Oct 2019 05:04

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