Large-scale volcanism associated with coronae on Venus - Implications for formation and evolution

Details Large-scale volcanism associated with coronae on Venus - Implications for formation and evolution Large-scale volcanism associated with coronae on Venus - Implications for formation and evolution

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.1111r&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 12, p. 1111-1114.

Physics

11

Planetary Evolution, Planetary Mantles, Plumes, Venus Surface, Volcanology, Flow Distribution, Lava, Planetary Crusts

Scientific paper

Large-scale volcanism, in the form of areally extensive flow fields, is a previously unrecognized important aspect of the evolution of at least 41 percent of all coronae on Venus. The timing and scale of many coronae flow fields is consistent with an origin due to the arrival and pressure-release melting of material in the head of a mantle plume or diapir. The production of voluminous amounts of volcanism at some coronae is proposed to be the result of larger plume size and/or the intersection of mantle upwellings with regions of lithospheric extension and rifting.

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