A migratory mantle plume on Venus: Implications for Earth?

Journal of Geophysical Research B: Solid Earth
By:  and 

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Abstract

A spatially fixed or at least internally rigid hotspot reference frame has been assumed for determining relative plate motions on Earth. Recent 1:5,000,000 scale mapping of Venus, a planet without terrestrial-style plate tectonics and ocean cover, reveals a systematic age and dimensional progression of corona-like arachnoids occurring in an uncinate chain. The nonrandom associations between arachnoids indicate they likely formed from a deep-seated mantle plume in a manner similar to terrestrial hotspot features. However, absence of expected convergent "plate" margin deformation suggests that the arachnoids are the surface expression of a migratory mantle plume beneath a stationary surface. If mantle plumes are not stationary on Venus, what if any are the implications for Earth?

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title A migratory mantle plume on Venus: Implications for Earth?
Series title Journal of Geophysical Research B: Solid Earth
DOI 10.1029/96JB00883
Volume 101
Issue B7
Year Published 1996
Language English
Publisher American Geophysical Union
Publisher location Washington, D.C.
Contributing office(s) Astrogeology Science Center
Description 15 p.
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Journal of Geophysical Research B: Solid Earth
First page 15953
Last page 15967
Other Geospatial Venus