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Ganymede and Callisto - Complex crater formation and planetary crustsResults are presented on measurements of crater depths and other morphological parameters (such as central peak and terrace frequency) of fresh craters on Ganymede and Callisto, two geophysically very similar but geologically divergent large icy satellites of Jupiter. These data were used to investigate the crater mechanics on icy satellites and the intersatellite crater scaling and crustal properties. The morphological transition diameters of and complex crater depths on Ganymede and Callisto were found to be similar, indicating that the crusts of both satellites are dominated by water ice with only a minor rocky component.
Document ID
19910066023
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Schenk, Paul M.
(JPL Pasadena, CA, United States)
Date Acquired
August 14, 2013
Publication Date
August 25, 1991
Publication Information
Publication: Journal of Geophysical Research
Volume: 96
ISSN: 0148-0227
Subject Category
Lunar And Planetary Exploration
Accession Number
91A50646
Distribution Limits
Public
Copyright
Other

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