Tag Archives: fluvial channels

THEMIS: Naktong Vallis in Terra Sabaea

THEMIS Image of the Day, August 29, 2019. Today’s VIS image shows a section of Naktong Vallis. Naktong Vallis is located in Terra Sabaea. Explore more THEMIS Images of the Day by geological subject.

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THEMIS: Nanedi Valles

THEMIS Image of the Day, August 19, 2019. Today’s VIS image shows a small portion of Nanedi Valles. This channel, likely carved by water, is located in Xanthe Terra. Explore more THEMIS Images of the Day by geological subject.

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HiRISE: Near Anseris Mons

Near Anseris Mons. The objective of this observation is to examine a possible fan coming from a channel in Anseris Mons, on the outskirts of a dusty area northeast of the Hellas impact basin. HiRISE Picture of the Day archive. … Continue reading

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THEMIS: Channels through Acheron Fossae

THEMIS Image of the Day, August 2, 2019. This VIS image is located on the northern side of Acheron Fossae. Acheron Fossae is a complex tectonic region north of Olympus Mons. In this region of Acheron Fossae, channels drain down … Continue reading

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THEMIS: Terra Cimmeria channel

THEMIS Image of the Day, July 26, 2019. This VIS image shows an unnamed channel in Terra Cimmeria. The channel is located immediately outside of the rim of Knobel Crater. Explore more THEMIS Images of the Day by geological subject.

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THEMIS: Bahram Vallis channel

THEMIS Image of the Day, July 24, 2019. Bahram Vallis crosses this VIS image. Bharam Vallis drains from the higher elevations of Lunae Planum into the Chryse Planitia basin. At the base of several of the scalloped channel wall sections, … Continue reading

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Evidence for fluvial deposition in Arabia Terra

[Editor’s note: From a paper by Joel Davis and six co-authors recently published in the Journal of Geophysical Research.] A Diverse Array of Fluvial Depositional Systems in Arabia Terra: Evidence for mid‐Noachian to Early Hesperian Rivers on Mars • Fluvial … Continue reading

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THEMIS: Channels on the edge of Arabia Terra

THEMIS Image of the Day, July 18, 2019. This VIS image is located on the margin of Arabia Terra and Acidalia Planitia. The channel features were created by fluids running from the highland of Arabia Terra into the lower elevations … Continue reading

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THEMIS: Streamlined islands in Athabasca Valles

THEMIS Image of the Day, July 2, 2019. This VIS image shows part of the channel called Athabasca Valles. Several streamlined islands are visible at the top of the image. The source of the flood was likely an outburst of … Continue reading

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HiRISE: Transition

Transition. This image shows where a fluvial channel changes from a depression to an inverted high standing channel in Terra Sirenum. That change likely marks the spot where the material was possibly elevated and more resistant to erosion. HiRISE Picture … Continue reading

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