Tectonics and composition of Venus

Details Tectonics and composition of Venus Tectonics and composition of Venus

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980georl...7..101a&link_type=abstract

Geophysical Research Letters, vol. 7, Jan. 1980, p. 101, 102.

Other

14

Planetary Composition, Tectonics, Venus (Planet), Basalt, Earth Planetary Structure, Venus, Composition, Tectonics, Density, Mantle, Crust, Comparisons, Basalts, Depth, Temperatures, Eclogite, Viscosity, Rayleigh Numbers, Surface, Geothermometry, Thickness

Scientific paper

The uncompressed density of Venus is a few percent less than the Earth. The high upper mantle temperature of Venus deepens the eclogite stability field and inserts a partial melt field. A thick basaltic crust is therefore likely. The anomalous density of Venus relative to the progression from Mercury to Mars may therefore have a tectonic rather than a cosmo-chemical explanation. There may be no need to invoke differences in composition or oxidization state.

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