Thermal evolution of a differentiated Ganymede and implications for surface features

Details Thermal evolution of a differentiated Ganymede and implications for surface features Thermal evolution of a differentiated Ganymede and implications for surface features

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...69...91k&link_type=abstract

Icarus (ISSN 0019-1035), vol. 69, Jan. 1987, p. 91-134.

Computer Science

95

Ganymede, Planetary Evolution, Satellite Surfaces, Thermodynamics, Callisto, Evolution, Grooves, Ice, Liquid-Solid Interfaces, Taylor Instability, Water, Jupiter, Satellites, Ganymede, Differentiation, Thermal Properties, Water, Models, Evolution, Surface, Features, Cooling, Ice, Layers, Convection, Formation, Calculations, Mantle, Thickness, Parameters, Lithosphere, Fracturing, Grooves, Terrain, Resurfacing, Rheology, Chronology, Heat, Stress, Time Scale, Diapirism, Comparisons, Diagrams, Interior, Flux, T

Scientific paper

Thermodynamic models are developed for the processes which controlled the evolution of the surface Ganymede, an icy Jovian satellite assumed to have a rock-rich core surrounded by a water-ice mantle. Account is taken of a heat pulse which would have arisen from a Rayleigh-Taylor instability at a deep-seated liquid-solid water interface, rapid fracturing from global stresses imposed by warm ice diapiric upwelling, impacts by large meteorites, and resurfacing by ice flows (rather than core formation). Comparisons are made with existing models for the evolution of Callisto, and the difficulties in defining a mechanism which produced the groove terrain of Ganymede are discussed.

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