Tag Archives: sediments

HiRISE: To great depths

Hellas is an ancient impact structure and is the deepest and broadest enclosed basin on Mars. It measures about 2,300 kilometers across and the floor of the basin, Hellas Planitia, contains the lowest elevations on Mars. The Hellas region can … Continue reading

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HiRISE: Fans and crater floor deposits southeast of Vinogradov Crater

This white, purple, and pink surface is located on the floor of an impact crater on the southeast rim of the larger Vinogradov Crater in southern Margaritifer Terra. The surface consists of what is left of a series of thin … Continue reading

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HiRISE: Layers in SW Arabia crater

Layers in a crater in southwestern Arabia Terra. Beautiful Mars series.

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THEMIS: Aram Chaos

THEMIS Image of the Day, December 21, 2016. Today’s false color image shows part of Aram Chaos. This is an ancient impact crater that was filled with sediments, flooded, and eroded. The THEMIS VIS camera contains 5 filters. The data … Continue reading

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HiRISE: A glimpse into history

Nothing gets a geologist more excited than layered bedrock, except perhaps finding a fossil or holding a meteorite in your hand. All of these things create a profound feeling of history, the sense of a story that took place ages … Continue reading

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HiRISE: Dipping layers in crater near Reull Vallis

Dipping dots, meet dipping layers. Beautiful Mars series.

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Curiosity: Bright bits in sedimentary rock

Sol 1462, September 16, 2016. With Curiosity parked at the Quela drill target, the ChemCam’s Remote Micro-Imager shot a three-frame composite (1 MB) focused on a blocky rockfall. The rock’s sedimentary layers include numerous light-toned bits, but these appear to … Continue reading

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THEMIS: Terby Crater’s unread geo-history book

THEMIS Image of the Day, August 3, 2016.┬áToday’s false color image shows the northern part of Terby Crater. This image shows the layered deposits that fill the crater. The THEMIS camera contains 5 filters. The data from different filters can … Continue reading

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THEMIS: Sediments on the plains of Argyre

THEMIS Image of the Day, August 1, 2016.┬áToday’s false color image shows plains northwest of Argyre Plainitia. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. … Continue reading

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THEMIS: Arabia Terra channel

THEMIS Image of the Day, May 20, 2016. This VIS image shows a portion of an unnamed channel located on the northern margin of Arabia Terra. Numerous channels are found in this region, draining from the higher elevations of Arabia … Continue reading

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