Global Geology and Stratigraphy of Europa

Details Global Geology and Stratigraphy of Europa Global Geology and Stratigraphy of Europa

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p53b1241d&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #P53B-1241

Mathematics

Logic

5422 Ices, 5455 Origin And Evolution, 5470 Surface Materials And Properties, 5475 Tectonics (8149), 5499 General Or Miscellaneous

Scientific paper

Previous geologic mapping of Europa, using hemisphere-wide low-resolution Voyager coverage, as well as local and regional higher resolution Galileo coverage, has now been synthesized and augmented as a global map and linea stratigraphy produced in ArcGIS using a photomosaic of the best Galileo and Voyager resolutions and a custom linea-stratigraphy sorting tool. A stratigraphic sequence from an older plains-building period (60 mya according the crater age estimates), through a linea-building period to a chaos-forming period is seen, with minor contribution from impact cratering. Variable photometry and resolution in the base map makes interpretations necessarily tentative, underscoring the need for future missions to conduct a global mapping at higher resolution. This work is being published as a forthcoming USGS map product, and as a chapter in the UoA Space Science Series volume on Europa.

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