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Evidence for a differentiated crust in Solis Planum, Mars, from lithospheric strength and heat flow

Ruiz Pérez, Javier and Tejero López, Rosa María and McGovern , Patrick (2006) Evidence for a differentiated crust in Solis Planum, Mars, from lithospheric strength and heat flow. Icarus (New York, N.Y. 1962), 180 . pp. 308-313. ISSN 0019-1035

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Abstract

Two independent sets of heat flow estimates provide constraints on the Hesperian-era surface and mantle heat flows, and the thickness of
the heat-producing elements (HPE)-enriched upper crust, in the Solis Planum region of Mars. The calculations, which use the concentration of
uppermost crust heat sources deduced from orbital gamma ray spectroscopy and soils geochemistry, are based on the effective elastic thickness of
the lithosphere and the minimum depth of faults underlying winkle ridges. We find that, for the majority of analyzed settings, the HPE-enriched
crust is thinner than the whole crust thickness in this region (∼65 km). Thus, our results strongly support a differentiated martian crust.
 2005 Elsevier Inc. All rights reserved.

Item Type:Article
Uncontrolled Keywords:Mars; Geophysics; Tectonics
Subjects:Sciences > Geology > Geodynamics
ID Code:10503
Deposited On:23 Apr 2010 08:12
Last Modified:06 Feb 2014 08:44

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