Physics
Scientific paper
Apr 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....93.3127j&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, April 10, 1988, p. 3127-3143.
Physics
33
Coronas, Gravitational Fields, Miranda, Spaceborne Photography, Tectonics, Voyager 2 Spacecraft, Computerized Simulation, Equations Of Motion, Equilibrium Equations, Stream Functions (Fluids), Topography, Viscous Flow, Uranus, Satellites, Miranda, Spacecraft Observations, Surface, Terrain, Features, Coronae, Tectonics, Formation, Origin, Stress, Density, Mass, Anomalies, Parameters, Models, Lithosphere, Compression, Elsinore Corona, Diagrams, Topography, Photographs, Arden Corona, Inverness Corona, Mantle,
Scientific paper
Two of the proposed explanations for the coronae seen on Miranda involve mantle convection driven by density anomalies. In the sinker model, the coronae result from late-accreting large silicate bodies slowly sinking through an icy mantle toward the body's center; in the riser model, they result from a compositionally produced, low-density, rising diapir. The present study determines the surface stresses induced by such density anomalies and the expected surface expressions. The results are in good agreement with the predictions of the sinker model.
Janes Daniel M.
Melosh Henry Jay
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