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Geochemical problems in the production of the Venus clouds
Published online by Cambridge University Press: 14 August 2015
Abstract
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Spectroscopic evidence is strong that the clouds of Venus are composed of ferrous chloride hydrate. At the surface of the planet it appears as though the vapor pressure of ferrous chloride may be quite low (10−6 atm), especially if such vapor is allowed to come to equilibrium with the other constituents of the Venus atmosphere. The formation of magnetite (Fe3O4) may be favored, and the spectrum of magnetite is shown in relation to the spectrum of the Venus cloud cover. The presence of ferrous chloride in the upper atmosphere may be due to a non-equilibrium condition.
The spectrum of volatiles, such as the halides of mercury, are considered vs the albedo of Venus. The presence of these volatiles seems incompatible with the spectroscopic evidence. It is suggested that the planet has been depleted of its volatiles, as it has been depleted of its water.
- Type
- Part I: Venus
- Information
- Symposium - International Astronomical Union , Volume 40: Planetary Atmospheres , 1971 , pp. 110 - 115
- Copyright
- Copyright © Reidel 1971
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