Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...77..358g&link_type=abstract
Icarus (ISSN 0019-1035), vol. 77, Feb. 1989, pt. 1, p. 358-381.
Astronomy and Astrophysics
Astronomy
45
Ice, Landforms, Mars (Planet), Space Debris, Structural Basins, Viking Orbiter Spacecraft, Ablation, Astronomical Photography, Massifs, Morphology, Remote Sensing, Sediments, Mars, Isidis Planitia, Plains, Formation, Origin, Volcanism, Dust, Terrain, Surface, Features, Ridges, Deposition, Morphology, Diagrams, Resurfacing, Photographs, Sedimentation, Maps, Analogs, Ice, Volatiles, Distribution, Erosion
Scientific paper
The differentiation of the Martian Isidis impact basin's interior plains into hillocky terrains with isolated mounds arranged in arctuate chains, and ridged terrains with systems of parallel curvilinear ridges, is presently suggested to reflect the deposition and subsequent removal of a thick layer of material within the basin. The process of terrestrial ice-cover dissintegration, which yields such landforms as moraines, kames, and eskers, furnishes a possible analog to the Isidis features; Viking orbiter images show Martian ridges with similar characteristics, suggesting that the Isidis layer may have been only part of a more general deposition period that coincided with one of major outflow channel formation involving the release of subsurface volatiles.
Grizzaffi P.
Schultz Peter H.
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