Tag Archives: glaciers

Evidence against vast glaciation in Mars’ grandest canyons

Planetary Geomorphology Image of the Month, April 1, 2019: Lucy Kissick (Durham University, now at University of Oxford). The Valles Marineris (Image 1) form the largest system of interconnected canyons on Mars, up to 2000 km long and in parts … Continue reading

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The banded terrain on Mars

Planetary Geomorphology Image of the Month, March 1, 2019: Hannes Bernhardt (Arizona State University). An article on the banded terrain cannot be commenced by a traditional definition, as it appears to be a truly singular occurrence in the Solar System. … Continue reading

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THEMIS: Protonilus Mensae in false color

THEMIS Image of the Day, February 28, 2019. The hills in this false-color VIS image are part of Protonilus Mensae. These hills, located between the relative highlands of Terra Sabaea and the lowlands of Vastitas Borealis, most likely formed by … Continue reading

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Reconstructing glaciers on Mars

Planetary Geomorphology Image of the Month, December 1, 2018: Stephen Brough (Newcastle University, U.K.). There exist thousands of putative debris-covered glaciers in the mid-latitudes of Mars (e.g. Souness et al., 2012; Levy et al., 2014). Much like their terrestrial counterparts, … 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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HiRISE: Glacial tongue

Glacial tongue. Well, that’s a fine how-do-you-do! This re-image can help to detect for any changes in the ridges and boulder movement. Beautiful Mars series. [More at links]

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THEMIS: Active dunes and possible glacier flow

THEMIS Image of the Day, July 6, 2018. This VIS image is located on the floor of an unnamed crater between Terra Sabaea and Utopia Planitia. The center of the image contains several regions of sand dunes. The dunes occupy … Continue reading

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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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Warmer, wetter early Mars: a geological and climatological case

The climate of early Mars is a subject of debate. While it has been thought that Mars had a warm and wet climate, like Earth, other researchers suggested early Mars might have been largely glaciated. A recent study by Ramses … Continue reading

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THEMIS: Ice-choked Mamers Valles

THEMIS Image of the Day, March 27, 2018. Today’s VIS image shows a section of Mamers Valles, located in Arabia Terra. The smooth material with flowlines that fills the valley channel is likely glacier ice, similar to valley glaciers in … Continue reading

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