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Late Crustal Growth on Mars: Evidence from Lithospheric Extension

Grott, Matthias (2005) Late Crustal Growth on Mars: Evidence from Lithospheric Extension. Geophysical Research Letters, 32, L23201. American Geophysical Union. DOI: 10.1029/2005GL024492.

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Official URL: http://www.agu.org/journals/gl/gl0523/2005GL024492/


We apply the pure shear model of lithospheric extension to rifting on Mars and investigate the range of initial ambient conditions that allow for narrow rifting. The results are applied to the Coracis Fossae, constraining the crustal thickness at the time the rift formed. We thus find that the crustal thickness at 3.5-3.9 Gyr is unlikely to have exceeded ~50 km. This is significantly lower than the estimates for the present day crustal thickness in that region (~70 km) and interpreted as an indication for continued crustal production at that time.

Document Type:Article
Title:Late Crustal Growth on Mars: Evidence from Lithospheric Extension
AuthorsInstitution or Email of Authors
Grott, MatthiasUNSPECIFIED
Journal or Publication Title:Geophysical Research Letters
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:L23201
Publisher:American Geophysical Union
Keywords:Mars, Tectonics, extensional, Regional crustal structure, crust and lithosphere
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Vergleichende Planetologie (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Deposited By: Dr.rer.nat. Matthias Grott
Deposited On:15 Dec 2005
Last Modified:14 Jan 2010 20:09

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