Assessment of global and regional tectonic models for faulting in the ancient terrains of Mars

Details Assessment of global and regional tectonic models for faulting in the ancient terrains of Mars Assessment of global and regional tectonic models for faulting in the ancient terrains of Mars

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgr....90.7849s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 90, Aug. 10, 1985, p. 7849-7860. Research supported by the Purdue Univers

Mathematics

Logic

19

Geological Faults, Mars Surface, Planetary Geology, Tectonics, Mars Volcanoes, Stress Analysis, Terrain, Thermal Stresses, Mars, Tectonism, Models, Faulting, Terrain, Ages, Surface, Features, Analysis, Scarps, Grabens, Ridges, Channels, Tharsis Region, Structure, Stress, Trajectories, Formation, Margaritifer Sinus, Valleys, Flexure, Loading, Crust, Fracturing, Oxia Palus, Tidal Effects, Thermal Effects, Cooling, Lithosphere, Thickness, Memnonia

Scientific paper

The structural mapping of tectonic landforms on Mars has provided a great deal of information regarding the planet's tectonic history. The present paper has the objective to test models of regional and global fracturing by evaluating the spatial distribution and orientation of the ancient heavily cratered terrain (HCT) structural landforms. Attention is given to background information concerning earlier studies, landform selection and analysis, rose diagrams, tests for Tharsis generation, and a calculation of thermal stress in the early Martian lithosphere. The contribution of classical Tharsis-centered tectonism to the production of HCT structural landforms was found to be very small. Few structural landforms investigated are either perpendicular to calculated principal stress trajectories or radial to Tharsis.

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