Reports

Impact Crater Densities on Volcanoes and Coronae on Venus: Implications for Volcanic Resurfacing

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Science  12 Aug 1994:
Vol. 265, Issue 5174, pp. 929-933
DOI: 10.1126/science.265.5174.929

Abstract

The density of impact craters on large volcanoes on Venus is half the average crater density for the planet. The crater density on some classes of coronae is not significantly different from the global average density, but coronae with extensive associated volcanic deposits have lower crater densities. These results are inconsistent with both single-age and steady-state models for global resurfacing and suggest that volcanoes and coronae with associated volcanism have been active on Venus over the last 500 million years.

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