Regional and Global Stratigraphy of Venus: A Preliminary Assessment and Implications for the Geologic History of Venus

Details Regional and Global Stratigraphy of Venus: A Preliminary Assessment and Implications for the Geologic History of Venus Regional and Global Stratigraphy of Venus: A Preliminary Assessment and Implications for the Geologic History of Venus

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27...69b&link_type=abstract

Lunar and Planetary Science, volume 27, page 69

Mathematics

Logic

Correlation, History: Geologic, Plains, Stratigraphy, Tesserae

Scientific paper

Analysis of the Magellan imagery in numerous representative sample areas of Venus led to establishing the stratigraphic sequence of geologic formations of the planet starting with heavily deformed tessera-forming materials, followed by the suite of plains-forming volcanics, moderately deformed by widespread deformation, which, in turn, are locally overlapped by younger volcanics mostly associated with rifts. This sequence and the resulting scenario of the geologic history of Venus, put constraints on the character and rate of processes in the planet interior. The global high-resolution Magellan coverage of Venus provided a basis for establishing the characteristics of the major geologic units and structures of this planet, for assessing their stratigraphic relations, and for interpreting the geologic history of the planet. Such an endeavor will require many years of intensive mapping and analysis of the data before a detailed picture emerges. Here we report on an initial analysis of widely distributed areas on the planet and a preliminary assessment of regional stratigraphic units into the model of global stratigraphy of Venus. Further detailed studies, especially made through the NASA-sponsored Venus Geologic Mapping Program, are necessary to test the suggested stratigraphy model.

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