Physics
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....98.1223j&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. E1, p. 1223-1230.
Physics
9
Io, Reaction Kinetics, Rocks, Satellite Surfaces, Silicates, Sulfates, Sulfur Dioxides, Sodium, Sodium Sulfates, Sulfur, Jupiter, Satellites, Io, Sulfur Dioxide, Oxidation, Laboratory Studies, Simulations, Silicates, Enrichment, Sodium, Procedure, Element Ratios, Sulfate, Temperature, Parameters, Electron Microscopy, Sem, Chemistry, Hypotheses, Formation, Origin, Surface
Scientific paper
Laboratory simulations are used here to test the possibility that interactions of SO2 and silicates can produce Na-S compounds which can account for the observed surface enrichment of Na relative to Si on Io. It is concluded that there are three viable hypotheses for the nature and origin of the Na compounds on the surface of Io: (1) Na2SO4 from SO2-silicate interactions, (2) Na-sulfides from elemental S, silicate interactions, and (3) directly erupted volcanic Na. The present studies indicate the elemental Si is not required to form Na compounds in crustal igneous interactions. Thus, the presence of Na compounds provides no constraint on elemental S but igneous formation of Na-S compounds is not tied to models of Io which contain elemental S.
Burnett Don S.
Johnson Loretta M.
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