igneous origin for the Na in the cloud of Io
- 1 June 1990
- journal article
- Published by American Geophysical Union (AGU) in Geophysical Research Letters
- Vol. 17 (7) , 981-984
- https://doi.org/10.1029/gl017i007p00981
Abstract
We heated mixtures of sulfur and Na‐bearing silicates in evacuated silica glass capsules to temperatures between 600°C and 950°C. At or above 850°C, Na‐silicate glass reacts with elemental S to form a (Na,K) sulfide. Mobilization of this phase may account for the presence of Na and K on the surface of Io, and hence in the material sputtered into the Jovian magnetosphere.Keywords
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