The geology of the Viking Lander 1 site

Details The geology of the Viking Lander 1 site The geology of the Viking Lander 1 site

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.4439b&link_type=abstract

Journal of Geophysical Research, vol. 82, Sept. 30, 1977, p. 4439-4451.

Mathematics

Logic

39

Mars Surface, Photogeology, Topography, Viking Lander 1, Weathering, Albedo, Craters, Fines, Stereophotography

Scientific paper

Stereo pictures show that Viking Lander 1 landed on volcanic terrain of undulating topography in the plains of Chryse. The bedrock is exposed along several ridge crests, and blocks are more numerous than can be attributed to impact ejecta. The presence of a variety of rock types suggests in situ weathering of extrusive and near-surface basaltic igneous rocks along a linear volcanic vent. Fine-grained sediment is present in drift complexes and isolated drifts. A small patch of fine-grained sediment slumped down one of the drift faces during the course of the Viking mission. Otherwise, no other morphological changes unrelated to spacecraft activity have been observed.

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