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

2000; American Association for the Advancement of Science; Volume: 289; Issue: 5481 Linguagem: Inglês

10.1126/science.289.5481.941

1095-9203

L. M. Prockter, R. T. Pappalardo,

Stellar, planetary, and galactic studies

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.