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Patterns of fracture and tidal stresses on EuropaA comparison of dark band, triple band, and cuspate ridge orientations with the fracture patterns predicted for tidal distortion due to orbital recession and eccentricity is undertaken, to test the hypothesized identification of Europa's lineaments as tidal distortion and planetary volume change fractures. Short, reticule dark bands near the anti-Jove point could be tension cracks caused by orbital eccentricity. Long, arcuate dark bands and triple bands peripheral to the anti-Jove point may be strike-slip faults due to orbital recession. The orientation and distribution of cuspate ridges, if they are compressional, suggests their formation in response to a combination of orbital recession and planetary volume decrease. If surface fracturing is due to tidal deformation, important constraints are exerted by it on Europa's orbital evolution.
Document ID
19830049985
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Helfenstein, P.
(Brown Univ. Providence, RI, United States)
Parmentier, E. M.
(Brown University Providence, RI, United States)
Date Acquired
August 11, 2013
Publication Date
March 1, 1983
Publication Information
Publication: Icarus
Volume: 53
ISSN: 0019-1035
Subject Category
Lunar And Planetary Exploration
Accession Number
83A31203
Funding Number(s)
CONTRACT_GRANT: NAGW-137
CONTRACT_GRANT: NSG-7605
Distribution Limits
Public
Copyright
Other

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