Physics
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....9618841w&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Oct. 25, 1991, p. 18,841-18,859.
Physics
4
Gravimetry, Planetology, Radar Imagery, Stress Analysis, Venus Surface, Altimetry, Pioneer Space Probes, Planetary Crusts, Planetary Mantles, Thematic Mapping
Scientific paper
The tectonics of the Tellus Region highland on Venus is examined using the altimetry and gravity data collected by Pioneer Venus, which were incorporated into a thin elastic shell model to calculate both the global (long-wavelength) and the regional (short-wavelength) stresses for various assumed values of crust, lithosphere, and mantle thickness and modes of compensation. The resultant stress fields were compared to the surface morphology observed in the Venera 15/16 radar images and interpreted in terms of stress history of Tellus Regio. The best fitting parameters were found to be consistent with minor amounts of lithospheric flexure being necessary to produce the observed surface features of this region.
Gaddis Lisa
Williams David Richard
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