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Ganges Chasma Rim (natural color) - Mars Reconnaissance Orbiter
The lower slopes of the northern Ganges Chasma rim. A thick pile of sediment eroded from the steep canyon rim has accumulated along the canyon walls, forming a relatively flat surface that gently slopes towards the center of the canyon. Water flowing out of the narrow rim canyons incised into this plain, forming shallow, terraced valleys. This water may have originated as meltwater during the retreat of glaciers that formerly occupied many of the canyon wall valleys.
This image combines two 40 m/px natural color CRISM hyperspectral images (600 nm, 530 nm, and 440 nm as RGB channels, respectively) with a 5 m/px monochrome CTX image. The CRISM images were collected on February 1, 2010 and June 13, 2007, and the CTX image was collected on December 19, 2013
Image Credit: NASA / JPL / MSSS / JHU / APL / Justin Cowart
Ganges Chasma Rim (natural color) - Mars Reconnaissance Orbiter
The lower slopes of the northern Ganges Chasma rim. A thick pile of sediment eroded from the steep canyon rim has accumulated along the canyon walls, forming a relatively flat surface that gently slopes towards the center of the canyon. Water flowing out of the narrow rim canyons incised into this plain, forming shallow, terraced valleys. This water may have originated as meltwater during the retreat of glaciers that formerly occupied many of the canyon wall valleys.
This image combines two 40 m/px natural color CRISM hyperspectral images (600 nm, 530 nm, and 440 nm as RGB channels, respectively) with a 5 m/px monochrome CTX image. The CRISM images were collected on February 1, 2010 and June 13, 2007, and the CTX image was collected on December 19, 2013
Image Credit: NASA / JPL / MSSS / JHU / APL / Justin Cowart