Tag Archives: fluvial channels

THEMIS: Channel deposits in Terra Sabaea

THEMIS Image of the Day, April 24, 2018. The northern margins of Arabia Terra and Terra Sabaea contain many unnamed channels. This channel is located in Terra Sabaea. The channel flow is toward the top of the image. This channel … Continue reading

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HiRISE: Streamlined features and fractures in Hebrus Valles

Streamlined features and fractures in Hebrus Valles. The rationale for this observation is to assess outflow channel discharges as well as getting a better look at the actual topography. Beautiful Mars series.

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THEMIS: Interweaving channels of Osuga Valles

THEMIS Image of the Day, April 18, 2018. Osuga Valles is a complex set of channels located near Eos Chasma. The channels were likely cut by multiple episodes of flowing water. More THEMIS Images of the Day by geological topic. … Continue reading

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THEMIS: Channel within a channel in Terra Sirenum

THEMIS Image of the Day, April 9, 2018. Today’s VIS image is located along the northern margin of Terra Sirenum. This unnamed channel contains a small channel within a larger channel. This would indicate two separate channel forming events. The … Continue reading

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HiRISE: Three channels exiting a crater lake

This image shows a roundish crater with three channels breaching the rim and extending to the south. The crater has been filled by sediments and may have been an ancient lake. When the water began to overtop the crater rim, … Continue reading

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THEMIS: Winding channel of Nanedi Valles

THEMIS Image of the Day, March 30, 2018. This VIS image shows a section of Nanedi Valles, located in Xanthe Terra. More THEMIS Images of the Day by geological topic.

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HiRISE: Crater tadpoles

This impact crater looks amusingly like a tadpole because of the valley that was carved by water that used to fill it. When the water level inside the crater increased, it breached the crater wall, flowed outward and formed a … Continue reading

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Inverted terrain shows ancient stream-flow details

River deposits exist across the surface of Mars and record a surface environment from over 3.5 billion years ago that was able to support liquid water at the surface. A region of Mars named Aeolis Dorsa contains some of the … Continue reading

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HiRISE: Cataracts in Kasei Valles

Obviously these are not the kind of cataracts that can develop in the lenses of your eyes, but large erosional scallops that form in river channels, like the Niagara Falls draining the Great Lakes of North America. Cataracts are large … Continue reading

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THEMIS: Channels across lava plains near Nirgal Vallis

THEMIS Image of the Day, June 22, 2017. Do you see what I do? Someone on Mars is smiling at me. (THEMIS Art #131) More THEMIS Images of the Day by geological topic.

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