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Venus: Volcanism and Rift Formation in Beta Regio

D. B. Campbell, J. W. Head, J. K. Harmon and A. A. Hine
Science
New Series, Vol. 226, No. 4671 (Oct. 12, 1984), pp. 167-170
Stable URL: http://www.jstor.org/stable/1693468
Page Count: 4
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Venus: Volcanism and Rift Formation in Beta Regio
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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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