The geology of Dione |
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Authors: | JB Plescia |
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Institution: | 1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA;2. Department of Geological Sciences, University of Southern California, Los Angeles, California 90089, USA |
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Abstract: | Dione is one of the more geologically complex of Saturn's satellites. Several geologic units have been identified including ancient heavily cratered terrain; two plains units: cratered plains and lightly cratered plains; lobate deposits; crater rim deposits; and bright wispy material. The only structural features observed are a series of troughs which cross portions of the surface and subtle northeast and northwest trending lineaments. The troughs are associated with volcanic deposits and are interpreted to be the vents through which material was erupted. Correlations exist between telescopically observed albedo patterns and the distribution of geologic units. |
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