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Science 11 August 2000:
Vol. 289. no. 5481, pp. 941 - 943
DOI: 10.1126/science.289.5481.941
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Reports

Folds on Europa: Implications for Crustal Cycling and Accommodation of Extension

Louise M. Prockter,1 and Robert T. Pappalardo2

Regional-scale undulations with associated small-scale secondary structures are inferred to be folds on Jupiter's moon Europa. Formation is consistent with stresses from tidal deformation, potentially triggering compressional instability of a region of locally high thermal gradient. Folds may compensate for extension elsewhere on Europa and then relax away over time.

1 Applied Physics Laboratory, Johns Hopkins University, MS 7-366, 11100 Johns Hopkins Road, Laurel, MD 20723, USA.
2 Brown University, Department of Geological Sciences, Box 1846, Providence, RI 02912, USA.
E-mail: louise.prockter{at}jhuapl.edu; robert_pappalardo{at}brown.edu

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Thickness of a Europan Ice Shell from Impact Crater Simulations.
E. P. Turtle and E. Pierazzo (2001)
Science 294, 1326-1328
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Science. ISSN 0036-8075 (print), 1095-9203 (online)