Origin of fractures, Martian polygonal terrain

Details Origin of fractures, Martian polygonal terrain Origin of fractures, Martian polygonal terrain

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pggp.rept..495h&link_type=abstract

In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1986 p 495-496 (SEE N87-23341 16-91)

Physics

Geophysics

Fracturing, Mars Surface, Mathematical Models, Polygons, Craters, Deposition, Soil Mechanics, Topography

Scientific paper

It has been proposed that the origin of the polygonally fractured terrain on Mars is due to stress caused by differential settling of material deposited over an irregular base topography. The eventual goal of this study is to evaluate this proposal by construction of mathematical models for this process. These models will attempt to determine what combinations of base topography, covering material composition, and depositional rate would cause the fractures observed. Because fracture formation would largely be a function of generated stress, the first step in modeling is calculation of stresses created during settlement.

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