Tag Archives: Valles Marineris

THEMIS: Chaotic debris in Tithonium Chasma

THEMIS Image of the Day, February 16, 2018. In this VIS image of Tithonium Chasma both sides of the chasma are visible. In this narrow and deep part of the chasma exist both large, chaotic block landslide deposits with smaller … Continue reading

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THEMIS: Merging landslides in Tithonium Chasma

THEMIS Image of the Day, February 15, 2018. In this VIS image a complex region of multiple overlapping landslide deposits fills most the the frame. The the center of the image the top layer has the lobate edges and radial … Continue reading

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THEMIS: Landslides, large and small

THEMIS image of the Day, February 14, 2018. This VIS image of Tithonium Chasma shows the canyon wall at the top of the frame and the cliff face of the opposite side of the canyon at the bottom of the … Continue reading

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THEMIS: Unstable canyon walls

THEMIS Image of the Day, February 13, 2018. This VIS image of Tithonium Chasma shows the canyon wall at the top of the frame, a series of landslide deposits in the middle, and an eroded mound of materials at the … Continue reading

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THEMIS: Overlapping landslides in Tithonium Chasma

THEMIS Image of the Day, February 12, 2018. In this VIS image a complex region of multiple overlapping landslide deposits fills most the the frame. The very top layer has the lobate edges and radial surface grooves of a low … Continue reading

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THEMIS: In Tithonium Chasma’s Garden of Rubble

THEMIS Image of the Day, February 9, 2018. Tithonium Chasma has numerous large landslide deposits. The resistant material of the plateau surface forms the linear ridges of the canyon wall. Large landslides have changed the walls and floor of the … Continue reading

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THEMIS: Canyon walls spawn landslides

THEMIS Image of the Day, February 8, 2018. Tithonium Chasma has numerous large landslide deposits. At the bottom of this VIS image is the high plateau between Tithonium Chasma and Ius Chasma (off the bottom of the frame). The resistant … Continue reading

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THEMIS: Hummocky debris on Tithonium Chasma floor

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

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

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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