Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992avest..26....3f&link_type=abstract
Astronomicheskii Vestnik (ISSN 0320-930X), vol. 26, no. 2, Mar.-Apr. 1992, p. 3-65. In Russian. Research supported by Lunar and
Astronomy and Astrophysics
Astronomy
Atmospheric Chemistry, Chemical Reactions, Lower Atmosphere, Venus Atmosphere, Venus Surface, Atmospheric Composition, Carbon Dioxide Concentration, Gas-Solid Interactions, Planetary Composition, Surface Temperature
Scientific paper
A comprehensive overview of the chemical interactions between the atmosphere and surface of Venus is presented. Earth-based, earth-orbital, and spacecraft data on the composition of the atmosphere and surface of Venus are presented and applied to quantitative evaluations of the chemical interactions between carbon, hydrogen, sulfur, chlorine, fluorine, and nitrogen-containing gases and possible minerals on the Venus surface. The calculation results are used to predict stable minerals and mineral assemblages on the Venus surface to determine which, if any, atmospheric gases are buffered by mineral assemblages on the surface, and to critically review and assess prior work on atmosphere-surface chemistry on Venus. It is concluded that the CO2 pressure on Venus is comparable to the CO2 equilibrium partial pressure developed by the calcite + wollastonite + quartz assemblage at the mean Venus surface temperature of 740 K.
Fegley Bruce Jr.
Treiman Allan
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