Candor Chasma in mosaic of THEMIS infrared images, with parts of Ophir, Melas and Juventae chasmata at top, lower left and extreme upper right, respectively. Massive landslide deposits, the Melas Labes, are visible near the junction of Candor and Melas chasmata at bottom, just left of center.
Candor Chasma is one of the largest canyons in the Valles Marineris canyon system on Mars. The feature is geographically divided into two halves: East and West Candor Chasmas, respectively. It is unclear how the canyon originally formed; one theory is that it was expanded and deepened by tectonic processes similar to a graben, while another suggests that it was formed by subsurface water erosion similar to a karst. MRO discovered sulfates, hydrated sulfates, and iron oxides in Candor Chasma.
Tectonic fractures in Candor Chasma as seen by HiRISE
Channels in Candor plateau, as seen by HiRISE. Location is Coprates quadrangle. Click on image to see many small, branched channels which are strong evidence for sustained precipitation.
- ESA - Mars Express - Walls of Candor Chasma
- Murchie, S. et al. 2009. A synthesis of Martian aqueous mineralogy after 1 Mars year of observations from the Mars Reconnaissance Orbiter. Journal of Geophysical Research: 114.
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