Tag Archives: Southern Highlands

CRISM: Hydrated minerals of Cydonia Colles

In this scene we observe the knobs within the northern lowlands (Acidalia Planitia) that are Fe/Mg phyllosilicate-bearing (pink-blue) and small, patchy exposures of hydrated silica (green) surrounding the knobs. Previously, phyllosilicates have only been found within impact craters in the … Continue reading

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Evolution of Noachian highlands landscapes

[Editor’s note: From a paper by Jon Cawley and Ross Irwin recently published in the Journal of Geophysical Research.] Evolution of Escarpments, Pediments, and Plains in the Noachian Highlands of Mars • Debris‐mantled escarpments, regolith pediments, sloping aggradational surfaces, and … Continue reading

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HiRISE: Bedrock exposures in the highlands

Bedrock exposures in the highlands. The bedrock here is ancient. Beautiful Mars series. [More at links]

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HiRISE: Channeled southern highlands

This enhanced color image shows the heavily channeled and ancient southern highlands of Mars. The elongated and jagged features are windblown dunes, perhaps hardened and eroded. [More at link]

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HiRISE: Clay deposits in the Southern Highlands

Clay deposits in the Southern Highlands. Beautiful Mars series.

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HiRISE: Within a crater in the Southern Highlands

Within a crater in the Southern Highlands. This is a very ancient crater, long filled-in. You can see polygonal patterns in the terrain, mainly due to the contraction of subsurface ice as the seasons change. Beautiful Mars series.

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THEMIS: Channel cutting through Terra Sirenum

THEMIS Image of the Day, December 14, 2016. The channel in this VIS image is located in Terra Sirenum. More THEMIS Images of the Day by geological topic.

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HiRISE: Valley networks in the ancient highlands

The valley networks on Mars are terrains eroded by flowing water billions of years ago. In places where the bedrock is well exposed, we often see a variety of colors due to altered minerals and polygonal patterns perhaps due to … Continue reading

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HiRISE: Highlands to lowlands in far-west Arabia

From the highlands to the lowlands in the far western Arabia region. Beautiful Mars series.

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HiRISE: Mars 2020 candidate landing site in McLaughlin Crater

McLaughlin Crater (21.9 N, 337.6 E) is a large, approximately 95-kilometer diameter impact crater located north of Mawrth Vallis, in Arabia Terra, a region that was made famous by the book and movie “The Martian” by Andy Weir. McLaughlin Crater … Continue reading

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