Tag Archives: landslides

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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THEMIS: Rubble from both sides in Ius Chasma

THEMIS Image of the Day, February 19, 2018. The VIS image shows part of the western end of Ius Chasma. Both the north and south canyon walls are visible in this image. At the top of the frame paired faults … Continue reading

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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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