Tag Archives: Melas Chasma

HiRISE: Melas Chasma valleys

Valleys in Melas Chasma. Caption throwback (2008): The interpretation is that the valleys formed by precipitation in the late Hesperian epoch and the water that formed them collected in the basin to produce a lake where sediment was deposited. This … Continue reading

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HiRISE: Slope monitoring

Slope monitoring. The recurring slope lineae (RSL) in this image are large and have high contrast. Most importantly, we see multiple examples of RSL flowing on bedrock, alternating between bedrock and regolith and bedrock and regolith, and regolith only. Do … Continue reading

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THEMIS: Melas Chasma landslide debris

THEMIS Image of the Day, April 3, 2019. This false-color image is located within Melas Chasma. The lobate forms at the bottom of the image are the remnants of landslides that crashed from the top of the cliff sides to … Continue reading

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HiRISE: When the lighting is just right

When the lighting is just right. Almost all of our images are taken in the Martian afternoon, around 3 p.m., and sometimes the lighting conditions make a particularly striking image. These are layered sediments in east Melas Chasma. HiRISE Picture … Continue reading

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HiRISE: Jumbled blocks on the floor of Melas Chasma

This part of Melas Chasma has been the target for many previous HiRISE images due to its diversity of terrains and materials. This observation covers an area not previously imaged, revealing a chaotic jumble of bright layered sediments, perhaps resulting … Continue reading

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THEMIS: Landslide in Melas Chasma

THEMIS Image of the Day, October 29, 2018. Today’s VIS image shows part of the northern cliff face of Melas Chasma and the large landslide deposits at the base of the cliff face. The landslide deposits are called Ophir Labes. … Continue reading

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River and lake landforms in Melas Chasma

[Editor’s note: From a paper by Joel Davis and five co-authors recently published in the Journal of Geophysical Research.] Episodic and Declining Fluvial Processes in Southwest Melas Chasma, Valles Marineris, Mars • Episodic fluvial processes occurred in the southwest Melas … Continue reading

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HiRISE: Light-toned layered deposits along northeast Melas Chasma wall rock

Light-toned layered deposits along northeast Melas Chasma wallrock. With this image, we’re looking for layering and fracture patterns to understand deposition process. Beautiful Mars series. [More at links]

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HiRISE: Supremely sublime sliding sand sheets

Supremely sublime sliding sand sheets. East Melas Chasma. Beautiful Mars series.

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THEMIS: Debris from multiple landslides in Candor Chasma

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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