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    Volcanism and resurfacing on Venus at the full resolution of Magellan SAR data

    Grindrod, Peter M. and Stofan, Ellen R. and Guest, J.E. (2010) Volcanism and resurfacing on Venus at the full resolution of Magellan SAR data. Geophysical Research Letters 37 (15), ISSN 0094-8276.

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    Abstract

    We examine the importance of localized volcanism in resurfacing on Venus by analyzing the results of geologic mapping of a 12° × 12° area at the full resolution of Magellan SAR data. Resurfacing due to corona-, ridge-, and small volcano-related volcanism accounts for 27%, 6%, and 10% respectively of the mapped area. Mapping at the resolution of Magellan data, rather than a regional scale, gives corona-related flow unit areas that can differ individually by almost an order of magnitude, with a total increase of 28%, and more than three times as many identifiable units. A total of 2919 small volcanoes or vents less than 10 km in diameter were identified in the F-Map, with a mean diameter of 1.59 (s.d. = 1.08) km and densities of up to 36 small volcanoes per 50 km2. Taken together, coronae, ridge eruptions, and small volcanoes probably make a significant contribution to resurfacing on Venus.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Venus, resurfacing
    School: School of Science > Earth and Planetary Sciences > UCL/Birkbeck Centre for Planetary Sciences
    School of Science > Earth and Planetary Sciences
    Depositing User: Administrator
    Date Deposited: 15 Dec 2014 11:46
    Last Modified: 15 Dec 2014 11:46
    URI: https://eprints.bbk.ac.uk/id/eprint/11280

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