Tag Archives: mesas

HiRISE: Gullies on Gorgonum Chaos mesas

Gullies on Gorgonum Chaos mesas. This observation shows part of Gorgonum Chaos, a large cluster of chaotic terrain found in the Southern Hemisphere. Many regions of chaotic terrain are found at the head of large outflow channels that were scoured … Continue reading

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HiRISE: We found geology in a chaotic place

We found geology in a chaotic place. The terrain here lives up to its description as “chaotic:” we see small hills, mesas, buttes and valleys. This area is called Oxia Palus, and its debris likely came from Ravi Vallis, which … Continue reading

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THEMIS: Mesas, plains, craters in Terra Sabaea

THEMIS Image of the Day, September 11, 2018. This VIS image shows part of Terra Sabaea, including plains, craters, and mesas. The dark blue tones often indicate locations of basaltic sands. The THEMIS VIS camera contains 5 filters. The data … 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: Hills and mesas

Hills and mesas. Beautiful Mars series. [More at links]

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THEMIS: Aram Chaos’ crumbling mesas

THEMIS Image of the Day, June 27, 2018. In this VIS image of part of Aram Chaos, the surface region is being dissected by linear valleys. As the dissection continues individual mesas will develop, creating the terrain termed chaotic. The … Continue reading

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THEMIS: Collapsing ground in Margaritifer Chaos

THEMIS Image of the Day, June 26, 2018. Today’s VIS image shows a small section on Margaritifer Chaos. The term chaos is applied to regions where the surface is being eroded to form mesas. As the surface processes continue individual … Continue reading

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HiRISE: Athabasca Valles lava

Athabasca Valles lava. It’s quite the jumbled mess down here. The northern toe of this mesa appears to contact and possibly overlie a rift in the lava crust, giving the impression that the mesa is younger. Beautiful Mars series. [More at … Continue reading

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THEMIS: Arabia Terra dune field in false color

THEMIS Image of the Day, March 23, 2018. This is a false color image of the dune field in the Arabia Terra crater. In this combination of bands, sand appears as a blue to dark blue color. In this image, … Continue reading

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THEMIS: Crater feeding sand into big dune field

THEMIS Image of the Day, March 22, 2018. The small crater in the image of the image is at the upwind side of the dune field. There is a considerable amount of sand within the crater, with a relatively smooth … Continue reading

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