Crater Density of Lobate Debris Aprons and Fretted Channels: Paleoclimatic Implications

Details Crater Density of Lobate Debris Aprons and Fretted Channels: Paleoclimatic Implications Crater Density of Lobate Debris Aprons and Fretted Channels: Paleoclimatic Implications

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000mpse.conf..118m&link_type=abstract

International Conference on Mars Polar Science and Exploration, p. 118

Physics

Debris, Ice, Mars Photographs, Morphology, Mars (Planet), Planetary Geology, Degradation, Mars Craters, Convexity, Creep Properties, Stability, Viking Spacecraft

Scientific paper

Lobate debris aprons and fretted channels show convex shapes and lineated features usually explained by the viscous creep of an ice-rock mixture. This interpretation is consistent with the stability of ice at few meters deep in the ground at latitudes nearby 40 degrees. Very few craters have been identified on Viking images of lobate debris aprons, so these features have been mapped as upper Amazonian deposits. However no ages have been determined statistically. We examine hereafter the morphology and distribution of craters over lobate debris aprons using new high resolution Mars Orbital Camera (MOC) images. Additional information can be found in the original extended abstract.

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