Physics
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....95.5089p&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 95, April 10, 1990, p. 5089-5100.
Physics
31
Magma, Mars Volcanoes, Planetary Evolution, Planetary Structure, Planetary Crusts, Planetary Mantles, Tectonics, Mars, Tharsis Region, Uplifts, Tectonics, Magmas, Terrain, Topography, Surface, Features, Crust, Altitude, Partial Melting, Mantle, Origin, Intrusions, Formation, Evolution, Stress, Maps, Calculations, Models, Diagrams, Parameters, Density
Scientific paper
A model is derived for predicting both crustal displacement (leading to permanent uplift) and topographic elevation in regional large-scale magmatic systems associated with partial melting of mantle rocks. The model is then applied to the Tharsis region of Mars to test the uplift versus construction. It was found that a lower bound estimate of the fraction of intrusives necessary for any uplift at all is about 85 percent of the total magmatic products at Tharsis. Thus, it is proposed that most of the magmas associated with Tharsis evolution ended up as intrusive bodies in the crust and upper mantle.
Banerdt Bruce W.
Phillips James R.
Sleep Norman H.
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