The Geochemical Model of the Troposphere and Lithosphere of Venus Based on New Data

摘要: New data on the composition of Venus dayside troposphere obtained by Venera 11 and 12 are applied to chemical vertical zoning troposphere. They interpreted as being made in ascending, reducing part a tropospheric convection cell, whereas Pioneer-Venus results considered be descending, oxidizing part. The possibility liquid sulphur droplets existing Venusian clouds is considered. The equilibrium model homogeneous gaseous system H - C O N S Cl F calculated using principle minimum total free energy allows evaluation profiles various components. described reduced dry system. Preliminary considerations probable nature cloud layer, characterized zone competing interaction photochemical thermochemical reactions with chlorine compounds, presented. Based calculations H2O, CO2, CO, HCl, SO2 other volatiles, preliminary prediction mineral assemblages surface rocks. Assuming that weathering (hydration, oxidation, etc.) not inhibited kinetic mechanical factors, we suggest formation certain metamorphogenic rocks extreme case. These predicted contain considerable amount water, chlorine.