Ridges and scarps in the equatorial belt of Mars
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Abstract
The morphology and distribution of ridges and scarps on Mars in the ± 30° latitude belt were investigated. Two distinct types of ridges were recognized. The first is long and linear, resembling mare ridges on the Moon; it occurs mostly in plains areas. The other is composed of short, anastomosing segments and occurs mostly in ancient cratered terrain and intervening plateaus. Where ridges are eroded, landscape configurations suggest that they are located along regional structures. The age of ridges is uncertain, but some are as young as the latest documented volcanic activity on Mars. The origins of ridges are probably diverse-they may result from wrinkling due to compression or from buckling due to settling over subsurface structures. The similar morphologic expressions of ridge types of various origins may be related to a similar deformation mechanism caused by two main factors: (1) most ridges are developed in thick layers of competent material and (2) ridges formed under stresses near a free surface.
Publication type | Article |
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Publication Subtype | Journal Article |
Title | Ridges and scarps in the equatorial belt of Mars |
Series title | The Moon and the Planets |
DOI | 10.1007/BF00896907 |
Volume | 24 |
Issue | 4 |
Year Published | 1981 |
Language | English |
Publisher location | Kluwer Academic Publishers |
Contributing office(s) | Astrogeology Science Center |
Description | 15 p. |
Larger Work Type | Article |
Larger Work Subtype | Journal Article |
Larger Work Title | The Moon and the Planets |
First page | 415 |
Last page | 429 |
Google Analytic Metrics | Metrics page |