Reports

Venus: Volcanism and Rift Formation in Beta Regio

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Science  12 Oct 1984:
Vol. 226, Issue 4671, pp. 167-170
DOI: 10.1126/science.226.4671.167

Abstract

A new high-resolution radar image of Beta Regio, a Venus highland area, confirms the presence of a major tectonic rift system and associated volcanic activity. The lack of identifiable impact craters, together with the apparent superposition of the Theia Mons volcanic structure on the rift system, suggest that at least some of the volcanic activity occurred in relatively recent geologic time. The presence of topographically similar highland areas elsewhere on Venus (Aphrodite Terra, Dali Chasma, and Diana Chasma) suggests that rifting and volcanism are significant processes on Venus.

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