Comment on "The surface of lo: A new model" by Bruce Hapke

Alfred S. McEwen, Jonathan I. Lunine

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Hapke (1989, Icarus 79, 56-74) proposed that the surface of Io is dominantly basaltic with thin coatings of polysulfur oxide, S2O, ad SO,2. However, observations and models of the active volcanism indicate that volatiles such as sulfur and SO2 must be more abundant than envisioned by Hapke.

Original languageEnglish (US)
Pages (from-to)268-274
Number of pages7
Issue number1
StatePublished - Mar 1990
Externally publishedYes

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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