Tag Archives: periglacial processes

HiRISE: The walls in Milankovic Crater

The walls in Milankovic Crater. The objective of this observation is to determine the nature of depressions in the mantle on the wall of Milankovic Crater. It seems that the deeper depressions into the mantle have a straight edge along … Continue reading

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HiRISE: Crazy terrain in Utopia

That crazy terrain. This is the floor of a crater in Utopia Planitia. Beautiful Mars series. [More at links]

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THEMIS: Active dunes and ground-ice creep

THEMIS Image of the Day, August 3, 2018. This VIS image is located in the region between northern Terra Sabaea and Utopia Planitia. This unnamed crater contains a small, dark dune field. Darkness suggests the dunes are dust-free, hence probably … Continue reading

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HiRISE: It’s all about that flow

It’s all about that flow. There are a number of crevasse-like features here. Beautiful Mars series. [More at links]

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THEMIS: The many textures of Gordii Dorsum

THEMIS Image of the Day, July 24, 2018. This VIS image is located at the northern end of Gordii Dorsum, where the surface slopes down into southern Amazonis Planitia. Within this image are several different surfaces and textures. At the … Continue reading

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HiRISE: Degraded crater and lineated flow in Deuteronilus Mensae

A degraded crater and lineated flow in Deuteronilus Mensae. Beautiful Mars series. [More at links]

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HiRISE: Translucent ice

Translucent ice. Also note the polygonal ground, another feature of expanding and contracting subsurface ice. Beautiful Mars series. [More at links]

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THEMIS: Dunes and glacial deposits in Moreux Crater

THEMIS Image of the Day, May 30, 2018. Moreux Crater is located in the northern part of Terra Sabaea. The crater has a region of sand dunes on the crater floor, as well as features that are similar to glacial … Continue reading

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THEMIS: Softly rounded hills in Phlegra Montes

THEMIS Image of the Day, April 25, 2018. The rounded hills in this VIS image are located in Arcadia Planitia. Broad linear ridges and groups of hills in this region are part of Phlegra Dorsa (ridges) and Phlegra Montes (hills). … Continue reading

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THEMIS: Dunes and creeping ground in Lyot Crater

THEMIS Image of the Day, April 11, 2018. Lyot Crater is a large, complex crater in the northern lowlands of Vastitas Borealis. This image is located along the southern rim of the crater and shows part of the dune fields … Continue reading

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