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Tectonics and volcanism of Eastern Aphrodite Terra, Venus - No subduction, no spreadingEastern Aphrodite Terra, a deformed region with high topographic relief on Venus, has been interpreted as analogous to a terrestrial extensional or convergent plate boundary. However, analysis of geological and structural relations indicates that the tectonics of eastern Aphrodite Terra is dominated by blistering of the crust by magma diapirs. The findings imply that, within this region, vertical tectonism dominates over horizontal tectonism and, consequently, that this region is neither a divergent nor a convergent plate boundary.
Document ID
19930054703
Document Type
Reprint (Version printed in journal)
Authors
Hansen, Vicki L.
(Southern Methodist Univ. Dallas, TX, United States)
Phillips, Roger J.
(Washington Univ. Saint Louis, MO, United States)
Date Acquired
August 16, 2013
Publication Date
April 23, 1993
Publication Information
Publication: Science
Volume: 260
Issue: 5107
ISSN: 0036-8075
Subject Category
Lunar And Planetary Exploration
Accession Number
93A38700
Funding Number(s)
CONTRACT_GRANT: NAGW-3024
CONTRACT_GRANT: NAGW-2915
Distribution Limits
Public
Copyright
Other

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