The evil twin of Agenor: Tectonic convergence on Europa

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

The dilemma of the surface-area budget on Europa is resolved by identification of sites of crustal convergence, which have balanced the continual and common creation of new surface along dilational bands and pull-aparts. Convergence bands are characterized by a distinctive, albeit subdued, morphology. The prominent, unusual lineament Agenor is one of several examples. We also find diametrically opposite Agenor a similar bright linear feature surrounded by markings that allow reconstruction, which shows it to be a convergence feature. Until recently, identification of convergence sites was difficult because these features are subtle and do not exhibit structures (like the Himalayas or plate subduction) familiar from convergence of thick solid crusts on terrestrial planets.

Original languageEnglish (US)
Pages (from-to)313-319
Number of pages7
JournalIcarus
Volume167
Issue number2
DOIs
StatePublished - Feb 2004

Keywords

  • Europa
  • Geological processes
  • Ices
  • Tectonics

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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