Tag Archives: channels

THEMIS image: Rubicon Valles

Posted on February 25, 2014 by rburnham

THEMIS Image of the Day, February 25, 2014. The multiple channels seen in this VIS image dissect the northwestern margin of Alba Mons. The channels are called Rubicon Valles. More THEMIS Images of the Day by geological topic.

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THEMIS image: Tempe Terra

Posted on February 24, 2014 by rburnham

THEMIS Image of the Day, February 24, 2014. The craters, gullies, channels, and fractures in this VIS image are located on the eastern margin of Tempe Terra. More THEMIS Images of the Day by geological topic.

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THEMIS image: Arabia Terra channel

Posted on February 21, 2014 by rburnham

THEMIS Image of the Day, February 21, 2014. This VIS image shows a small unnamed channel on the eastern margin of Arabia Terra. More THEMIS Images of the Day by geological topic.

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THEMIS image: Channels in Arabia Terra

Posted on February 20, 2014 by rburnham

THEMIS Image of the Day, February 20, 2014. This VIS image shows a portion of one of the numerous channels that dissect the northern margin of Arabia Terra. More THEMIS Images of the Day by geological topic.

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HiRISE image: Far end of an alluvial fan

Posted on February 19, 2014 by rburnham

Beautiful Mars series: Far end of an alluvial fan on the floor of a crater in Xanthe Terra. More Beautiful Mars images.

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HiRISE image: Bright sediments in Ladon Basin

Posted on February 13, 2014 by rburnham

This image shows some bright layered deposits exposed within a linear trough along the floor of the Ladon Basin. There is a large channel system that flows into the basin, called Ladon Valles, and scientists think that the basin may … Continue reading →

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THEMIS image: Athabasca Valles

Posted on February 7, 2014 by rburnham

THEMIS Image of the Day, February 7, 2014. This VIS image shows a portion of Athabasca Valles. More THEMIS Images of the Day by geological topic.

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HiRISE image: sinuous ridges and meanders

Posted on January 30, 2014 by rburnham

These ridges are thought to be old river channels, but wind erosion has created inverted topography. What was low (the channel bottoms) was more resistant to erosion, so now it is relatively high. In a closeup image, we see a … Continue reading →

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Most deltas on Mars created by short, catastrophic floods

Posted on April 22, 2013 by rburnham

Rivers that run into lakes and other standing bodies of water drop sediment where the flow slackens as it enters the body of water. Over time, the accumulating material builds a delta — a wedge of sediment whose form can … Continue reading →

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Subsurface radar profiles Marte Vallis outflow channel in 3D

Posted on March 14, 2013 by rburnham

Ground-penetrating radar on NASA’s Mars Reconnaissance Orbiter (MRO) reveals buried channels that show floods of water from Cerberus Fossae eroded Marte Vallis in two distinct stages, and they did so to a much greater extent than is visible today. The … Continue reading →

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