Variable features on Mars. VII - Dark filamentary markings on Mars

Details Variable features on Mars. VII - Dark filamentary markings on Mars Variable features on Mars. VII - Dark filamentary markings on Mars

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976icar...27..495v&link_type=abstract

Icarus, vol. 27, Apr. 1976, p. 495-502.

Physics

11

Albedo, Mars Surface, Photointerpretation, Wind Effects, Dust Storms, Mariner 9 Space Probe, Mars Atmosphere

Scientific paper

The paper discusses the location, variability, and possible nature of well-developed patterns of dark filamentary markings in the Mariner 9 photographic records. Although not common on Mars, the markings are concentrated in at least two areas: Depressio Hellespontica and Cerberus/Trivium Charontis. In certain localities, strong winds are required to bring these markings into prominence. The dark filamentary markings seem to be true albedo features controlled by local topography, it being unlikely that they are free linear dunes. The distinctive criss-cross pattern seen in many of the pictures suggests that jointing provides the controlling topographic grid. At this stage it cannot be inferred whether the markings are erosional or depositional in character.

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