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Schenk et al. 1997

Schenk, P.M., McEwen, A., Davies, A.G., Davenport, T., Jones, K. and Fessler, B. (1997). Geology and topography of Ra Patera, Io, in the Voyager era: Prelude to eruption. Geophysical Research Letters 24: doi: 10.1029/97GL02688. issn: 0094-8276.

Voyager era stereo images are used to map the geology and topography of Ra Patera (a major active volcanic center and possible site of sulfur eruptions on Io). The summit of Ra Patera reaches only ~1 km above the surrounding plains. Pre-Voyager-era lava flows occur on slopes of 0.1--0.3¿, comparable to the lunar mare. These flows were emplaced at either low viscosities, high eruption rates, or both. A 600-km-long ridged mountain unit (rising to ~8 km near Carancho Patera) forms a 60 by 90 km wide plateau ~0.5 km high 50 km east of Ra Patera. The new lava flows observed by Galileo flowed around the southern edge of this plateau.¿ 1997 American Geophysical Union

BACKGROUND DATA FILES

	Abstract

Keywords
Planetology, Solid Surface Planets, Volcanism, Planetology, Solid Surface Planets, Surface materials and properties, Planetology, Solid Surface Planets, General or miscellaneous, Volcanology, General or miscellaneous

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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