Tag Archives: canyons

THEMIS: Hummocky debris on Tithonium Chasma floor

Posted on February 7, 2018 by rburnham

THEMIS Image of the Day, February 7, 2018. This VIS image shows part of the floor of Tithonium Chasma. Eroded materials cover most of the image. The initial formation of layered floor deposits was possibly created of air fall of … Continue reading →

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THEMIS: Eroding deposits in Tithonium Chasma

Posted on February 6, 2018 by rburnham

THEMIS Image of the Day, February 6, 2018. This VIS image shows part of Tithonium Chasma. The ridge visible at the top of the image is not the top of the canyon. The top of the canyon is off the … Continue reading →

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HiRISE: Geologic history revealed in Valles Marineris

Posted on February 5, 2018 by rburnham

An enhanced-color image reveals bedrock that is several kilometers below the top of the giant Valles Marineris canyons. The upper layers have relatively little diversity of colors and textures, but deeper levels show more complex processes. The upper layers could … Continue reading →

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THEMIS: Tithonium Chasma

Posted on February 5, 2018 by rburnham

THEMIS Image of the Day, February 5, 2018. This VIS image shows part of the central region of Tithonium Chasma. The steep wall of the canyon is visible at the top of the image. The top of the canyon walls … Continue reading →

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THEMIS: Rubble piles in Candor Chasma

Posted on January 19, 2018 by rburnham

THEMIS Image of the Day, January 19, 2018. This image shows part of eastern Candor Chasma. At the top of the image is the steep cliff between the upper surface elevation and the depths of Candor Chasma. The bottom of … Continue reading →

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THEMIS: Mesas of chaos in Candor Chasma

Posted on January 18, 2018 by rburnham

THEMIS Image of the Day, January 18, 2018. This image of central Candor Chasma shows a surface topography called chaos. Chaos is a region of small to medium sized mesas surrounded by valleys that are usually the same elevation. In … Continue reading →

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THEMIS: Chaotic terrain on the floor of Candor Chasma

Posted on January 17, 2018 by rburnham

THEMIS Image of the Day, January 17, 2018. The bottom half of this image of central Candor Chasma shows a surface topography called chaos. Chaos is a region of small to medium sized mesas surrounded by valleys that are usually … Continue reading →

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THEMIS: Debris from multiple landslides in Candor Chasma

Posted on January 16, 2018 by rburnham

THEMIS Image of the Day, January 16, 2018. This VIS image shows part of the border between Chandor and Melas Chasmata. The entire image is landslide deposits. It is very common for landslides to develop linear surface grooves that parallel … Continue reading →

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THEMIS: Impact crater in Candor Chasma

Posted on January 15, 2018 by rburnham

THEMIS Image of the Day, January 15, 2017. This THEMIS image shows part of western Candor Chasma. Near the bottom of the image is an impact crater. Impact craters are relatively rare within all the canyons of Valles Marineris. The … Continue reading →

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THEMIS: Yardangs in Candor Chasma

Posted on January 12, 2018 by rburnham

THEMIS Image of the Day, January 12, 2018. This image shows part of eastern Candor Chasma. In the middle of the image is a set of linear ridges and valleys. These features are called yardangs and are created by uniform … Continue reading →

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