Tectonics and volcanism of eastern Aphrodite Terra, Venus: No subduction, no spreading

Vicki L. Hansen, Roger J. Phillips

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Eastern 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.

Original languageEnglish (US)
Pages (from-to)526-530
Number of pages5
JournalScience
Volume260
Issue number5107
DOIs
StatePublished - 1993

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