Tag Archives: landslides

THEMIS: Landslide debris and dunes in Coprates Chasma

THEMIS Image of the Day, June 8, 2018. Today’s VIS image shows part of the wall and floor of Coprates Chasma. Several landslide deposits are visible as well as small regions of sand dunes. More THEMIS Images of the Day … Continue reading

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THEMIS: Landslide into Coprates Catena

THEMIS Image of the Day, June 5, 2018. A landslide deposit is visible in this VIS image of Coprates Catena. Coprates Catena parallels the much larger Coprates Chasma; both are part of Valles Marineris. More THEMIS Images of the Day … Continue reading

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THEMIS: Landslides in Tyrrhena Terra

THEMIS Image of the Day, April 13, 2018. This VIS image is located in an unnamed crater within Tyrrhena Terra. The ‘mitten’ shaped feature extends from the crater rim (bottom of frame) onto the crater floor. Radial surface grooves and … Continue reading

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THEMIS: Colliding landslides in Ius Chasma

THEMIS Image of the Day, February 28, 2018. This VIS image shows the eastern end of Ius Chasma. The southern canyon wall is at the bottom of the image, with dark sand and sand dunes. The presence of mobile sand … Continue reading

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THEMIS: Eroding landslide in Ius Chasma

THEMIS Image of the Day, February 27, 2018. This VIS image shows part of the eastern end of Ius Chasma. Geryon Montes are located in the bottom half of the image. Between the montes and the southern wall face is … Continue reading

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THEMIS: Possible delta in Ius Chasma?

THEMIS Image of the Day, February 26, 2018. This VIS image shows part of eastern Ius Chasma. The lower elevations of Geryon Montes are located at the top of the image. Between the montes and the southern wall face is … Continue reading

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THEMIS: Dunes in Ius Chasma

THEMIS Image of the Day, February 23, 2018. Continuing eastward thru central Ius Chasma, this image shows a section of chasma that is not dominated by landslide deposits. Geryon Montes, in the upper half of the image, has several visible … Continue reading

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THEMIS: Geryon Montes and tectonic widening of Ius Chasma

THEMIS Image of the Day, February 22, 2018. Moving into the central part of Ius Chasma, the canyon profile changes. What started as a large graben south of the main chasma wall, has widened to create a central high ridge … Continue reading

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THEMIS: Canyon wall failure in Ius Chasma

THEMIS Image of the Day, February 21, 2018. Continuing eastward along Ius Chasma, this image shows the eastern section of the large landslide deposit seen in yesterday’s post. A landslide is a failure of slope due to gravity. They initiate … Continue reading

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THEMIS: Blocky rubble chokes Ius Chasma’s floor

THEMIS Image of the Day, February 20, 2018. Continuing eastward along Ius Chasma, this section of the canyon floor has been completely filled by blocky deposits from large volume landslides. A landslide is a failure of slope due to gravity. … Continue reading

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