Plate tectonics on Venus

Details Plate tectonics on Venus Plate tectonics on Venus

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980tilp.nasaq....a&link_type=abstract

In Its Theoret. Invest. of Lunar and Planetary Interiors 10 p (SEE N81-14365 05-42)

Physics

Structural Properties (Geology), Tectonics, Venus (Planet), Earth Mantle, Rheology, Subduction (Geology), Surface Temperature, Thermal Boundary Layer, Thermal Conductivity, Thermal Expansion

Scientific paper

The factors contributing to the high surface temperature of Venus were investigated. The implications of this high surface suggest that a permanently buoyant lithosphere exists as well as a thick balsic crust. Terrestrial style tectonics with deep subduction and crustal recycling is not possible. Overthickened basaltic crust partially melts instead of converting to eclogite. Because mantle magmas do not have convenient acess to the surface the Ar40 abundance in the atmosphere should be low. Venus provides an analog to Archean tectonics on the Earth.

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