Geologic history and channeling episodes of the Chryse Planitia region of Mars

Details Geologic history and channeling episodes of the Chryse Planitia region of Mars Geologic history and channeling episodes of the Chryse Planitia region of Mars

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pggp.rept..146r&link_type=abstract

In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1990 p 146-148 (SEE N92-10728 01-91)

Mathematics

Logic

Geological Surveys, Mapping, Mars Surface, Paleontology, Relief Maps, Tectonics, Climate Change, Highlands, Plains, Stratigraphy, Terrain, Volcanology

Scientific paper

The study of the Chryse Planitia region of Mars is based on geologic mapping on a 1:5,000,000 scale shaded relief map. The map area includes Chryse and southern Acidalia Planitiae; the circum Chryse channels and chaotic terrains; Xanthe, southern Tempe, and western Arabia Terrae; Lunae Planum; and northeastern Valles Marineris. The aim of the study is twofold: (1) to obtain relative ages of the outflow channels by performing and compiling detailed stratigraphic analyses; and (2) to correlate channeling episodes with causative mechanisms (such as volcanism and tectonism) and resulting effects (such as climate change). The geologic history given based on this mapping, includes the documentation of a previously unproposed channeling episode in the region as well as the presently favored hypotheses concerning the nature and origin of the channeling events. It is concluded that the history of the Chryse region suggests that two major periods of tectonic activity resulted in two episodes of channeling in the highlands surrounding Chryse Planitia.

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