Ice and debris in the fretted terrain, Mars
Journal of Geophysical Research
By: Baerbel K. Lucchitta
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Abstract
Viking moderate- and high-resolution images along the northern highland margin were studied monoscopically and stereoscopically to contribute to an understanding of the development of fretted terrain. Results support the hypothesis that the fretting process involved flow facilitated by interstitial ice. The process apparently continued for a long period of time, and debris-apron formation shaped the fretted terrain in the past as well as the present. Interstitial ice in debris aprons is most likely derived from ground ice obtained by sapping or scarp collapse. Debris aprons could have been removed by sublimation if they consisted mostly of ice, or by deflation if they consisted mostly of debris. To remove the debris, wind erosion was either very intense early in martian history, or was intermittent, perhaps owing to climatic cycles.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Ice and debris in the fretted terrain, Mars |
| Series title | Journal of Geophysical Research |
| ISBN | 0875902332 |
| DOI | 10.1029/JB089iS02p0B409 |
| Volume | 89 |
| Issue | S02 |
| Year Published | 1984 |
| Language | English |
| Publisher | American Geophysical Union |
| Contributing office(s) | Astrogeology Science Center |
| Description | 10 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geophysical Research |
| First page | 409 |
| Last page | 418 |
| Conference Title | Proc of the 14th Lunar and Planet Sci Conf |
| Conference Location | Houston, TX, USA |
| Conference Date | 14 March 1984 through 15 March 1984 |
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