Tag Archives: sedimentary deposits

Curiosity: Scoping out Lairig Ghru

Sol 2262, December 16, 2018. A 1o x 2 raster pattern of Remote Micro-Imager (RMI) frames makes a composite picture of Lairig Ghru, a distant target on the slopes of Mt. Sharp. Click the image (4 MB) to enlarge it. … Continue reading

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Curiosity: Mt. Sharp vista

Sol 2242, November 26, 2018. While InSight was landing over in Elysium Planitia, Curiosity’s controllers directed the Remote Micro-Imager to shoot an 11-frame composite detailing layers in Mt. Sharp in Gale Crater. Click the image to enlarge it. Sol 2242 … Continue reading

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HiRISE: North flank of Ceti Mensa

The north flank of Ceti Mensa. There is some possible soft-sediment deformation in this area. The region has attracted attention because its deep red color in images collected by the Viking Orbiter mission during the 1970s. Beautiful Mars series. [More … Continue reading

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Trace Gas Orbiter: Juventae Chasma’s layered mound

This striking view of layered sediments on Mars was captured by the ExoMars Trace Gas Orbiter’s Colour and Stereo Surface Imaging System, CaSSIS, on 2 October 2018. The image, which covers an area 25 x 7 km wide, focuses on a … Continue reading

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HiRISE: The Case of the Lurking Frost

HiRISE and the Case of the Lurking Frost. Sheltered by these cliffs, we can see frost build up, along with lots of sedimentary rocks. This area is also a good candidate for recurring slope lineae. Beautiful Mars series. [More at … Continue reading

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HiRISE: Semi-sinuous ridge and stratified material in Arabia Terra

Semi-sinuous ridge and stratified material in Arabia Terra. Looks like inverted stream channels that contributed to a lake or pond, with stratified sedimentary rock units in the depression. Important imaging for understanding how to best distinguish cratered, erosion-resistant sedimentary rock … Continue reading

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HiRISE: Exposed bedrock in Millochau Crater

Exposed bedrock in Millochau Crater. There are some very nice sediments here. The crater measures 115 kilometers in diameter and was named after French astronomer Gaston Millochau. Beautiful Mars series. [More at links]

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Cross-bed geometry in upper Mt. Sharp

Planetary Geomorphology Image of the Month, August 1, 2018: One of the most environmentally diagnostic features of sedimentary rocks is cross-bedding, which occurs when sediment is transported by wind, water, or volcanic processes, resulting in horizontal strata composed of inclined … Continue reading

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HiRISE: Layers in Noctis Labyrinthus

Layers in Noctis Labyrinthus. One might suppose that a place named “labyrinth of the night” would have layers of some kind, otherwise it would anticlimactic. Beautiful Mars series. [More at links]

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HiRISE: Cliffs and stratified features in central Arabia Terra

Cliffs and stratified features in central Arabia Terra. Sedimentary rock? Layered materials looked as if mantled by dust. The goal of this observation is to capture some of the variety of erosional expressions  and stratigraphy. Beautiful Mars series. [More at … Continue reading

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