Geology of the Venera and Vega Landing-Site Regions

Details Geology of the Venera and Vega Landing-Site Regions Geology of the Venera and Vega Landing-Site Regions

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sosyr..36..136a&link_type=abstract

Solar System Research, v. 36, Issue 2, p. 136-159 (2002).

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Scientific paper

Using Magellan radar images of the Venera and Vega landing-site regions, we carried out a photogeologic analysis and mapping of these regions, the soil composition of which was earlier analyzed by the spacecraft of these series. All these landing-site regions are shown to possess a similar set of geologic situations, which are typical of the planet as a whole, and a similar sequence of geologic evolution. Judging by the results of mapping, a geochemically advanced material analyzed at the Venera-8 landing site appears to be a complex of shield plains (Psh). Tholeiitic compositions obtained by Venera-9/10 and Vega-1/2 probably represent the unit of plains with wrinkle ridges (Pwr), which is most common on Venus. The material of tholeiitic composition analyzed by Venera-14 is likely to be the unit of relatively young lobate plains (Pl).

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