Tectonics of planetary loading - A general model and results

Details Tectonics of planetary loading - A general model and results Tectonics of planetary loading - A general model and results

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9521345j&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 95, Dec. 10, 1990, p. 21345-21355.

Physics

18

Lithosphere, Loads (Forces), Planetary Geology, Tectonics, Mars Surface, Mascons, Mathematical Models, Rheology

Scientific paper

The tectonics of planetary loading is investigated using an analytical model for determining the stresses in an arbitrarily thick spherical shell due to an idealized axisymmetric load. The model includes the flat plate and thin shell membrane approximations as end members, and makes it possible to determine the nature of the transition between them. Using this model, the stress states and the resulting tectonic patterns due to an idealized exponential load are determined as functions of five dimensionless parameters: the ratio of the lithospheric thickness to the planetary radius; the decay width of the load; the 'support parameter', which is the ratio of the buoyancy to the flexural support; the angular distance from the load center; and the normalized radial distance from the planet center.

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