Brine volcanism and the interior structures of asteroids and icy satellites

Details Brine volcanism and the interior structures of asteroids and icy satellites Brine volcanism and the interior structures of asteroids and icy satellites

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...94..368k&link_type=abstract

Icarus (ISSN 0019-1035), vol. 94, Dec. 1991, p. 368-390. Research supported by NASA.

Physics

121

Asteroids, Icy Satellites, Satellite Surfaces, Volcanology, Brines, Carbonaceous Chondrites, Planetary Geology

Scientific paper

Brine vulcanism, in which MgSO4 and Na2SO4 are shown by carbonaceous chondrite mineralogies and elemental abundances to be the most important solutes, is presently suggested to account for the resurfacing observed on such icy satellites as Europa and Ganymede, and to have been a significant factor in the evolution of chondritic asteroids. Hypersaline brines have lower viscosities than familiar silicate lavas, although they remain more viscous than pure water; aqueous sulfate flows are seen as capable of constructing the vast, low-relief volcanic plains observed on Ganymede and Europa.

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