Tag Archives: fluvial channels

THEMIS: Small channel in Terra Sirenum

THEMIS Image of the Day, November 13, 2018. A small channel system dissects the rim of this unnamed crater in Terra Sirenum. The plains around the crater rim show faint dark streaks, tracks left by dust devils. See more THEMIS … Continue reading

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THEMIS: Channels flowing from a ridge

THEMIS Image of the Day, November 9, 2018. This VIS image is located in Terra Sirenum. The bright linear feature at the bottom of the image is the crest of a ridge. The multiple channel features toward the top of … Continue reading

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Mars & Earth river deltas branch in similar ways

Planetary Geomorphology Image of the Month, October 16, 2018: Robert C. Mahon (University of New Orleans). Which morphologic features of sedimentary systems persist into the stratigraphic record? Ancient river deltas preserved as stratigraphic deposits on both Earth and Mars exhibit … Continue reading

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THEMIS: Channels in volcanic ash

THEMIS Image of the Day, August 22, 2018. Tyrrhenus Mons is one of the oldest martian volcanoes and Tyrrhena Fossae is the largest of the channels dissecting the volcano. As well as being one of the oldest volcanoes, it is … Continue reading

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THEMIS: Elysium Fossae’s channels

THEMIS Image of the Day, August 6, 2018. Today’s VIS image contains a section of one of the many channel forms found on the northwestern side of the Elysium Mons volcanic complex. The channel features are thought to have both … Continue reading

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HiRISE: Inverted channel on elevated terrain

An inverted channel on elevated terrain. Interesting fluvial processes that might help improve our understanding of the deposits in the Medusae Fossae Formation. Beautiful Mars series. [More at links]

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THEMIS: Ares Valles’ long winding channel

THEMIS Image of the Day, July 25, 2018. Today’s VIS image shows part of Ares Vallis, one of the large channels in Margaritfer Terra that empty into Chryse Planitia. See more THEMIS Images of the Day by geological subject.

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THEMIS: Indus Vallis winds through layered terrain

THEMIS Image of the Day, July 20, 2018. This VIS image shows a section of Indus Vallis. Indus Vallis is located in Terra Sabaea. More THEMIS Images of the Day by geological topic.

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HiRISE: Cored island

Cored island. This channel may have been used by both lava and water. One of the processes produced a crater-cored island and later, the downstream side was eroded away, leaving knobs and an inverted streamlined form. Beautiful Mars series. [More … Continue reading

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THEMIS: Merging stream channels in Xanthe Terra

THEMIS Image of the Day, June 18, 2018. Today’s VIS image shows an unnamed channel in Xanthe Terra. The large bend in the channel was created as the flow of liquid from the bottom of the image was deflected by … Continue reading

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