Tag Archives: sedimentary deposits

HiRISE: Deposits along the floor of Coprates Catena

Posted on March 25, 2019 by rburnham

Deposits along the floor of Coprates Catena. The rest of this depression has very interesting layered deposits so we’re interested to see if there could be some here too. Coprates Catena is roughly in the center of the Valles Marineris … Continue reading →

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HiRISE: Central deposits in Pasteur Crater

Posted on March 21, 2019 by rburnham

Central deposits in Pasteur Crater. Caption throwback: The deposits in this image are eroding into knobs and ridges. The erosion is probably dominated by wind, as most of the ridges are parallel. This is common in wind-eroded features, with the … Continue reading →

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HiRISE: Fan, meet layered deposit

Posted on March 20, 2019 by rburnham

Fan, meet layered deposit. This is a gorgeous fan reaching out into deposits in east Candor Chasma. Did landslides deform the layered material? HiRISE Picture of the Day archive [More at links]

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HiRISE: When the lighting is just right

Posted on March 15, 2019 by rburnham

When the lighting is just right. Almost all of our images are taken in the Martian afternoon, around 3 p.m., and sometimes the lighting conditions make a particularly striking image. These are layered sediments in east Melas Chasma. HiRISE Picture … Continue reading →

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HiRISE: Layers in Meridiani

Posted on March 8, 2019 by rburnham

Layers in Meridiani. Despite the numerous data gaps with this observation, we can still get a closer look at the layers in Meridiani Planum. The hematite we find in this region is part of a layered sedimentary rock formation about … Continue reading →

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HiRISE: Layered sedimentary rocks in Meridiani Planum

Posted on February 14, 2019 by rburnham

Layered sedimentary rocks in Meridiani Planum. Ah, the loveliness of Meridiani. Meridiani Planum is a plain located south of Mars’ equator, in the westernmost portion of Terra Meridiani. It hosts a rare occurrence of gray crystalline hematite, which on Earth, … Continue reading →

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HiRISE: Layered history

Posted on February 8, 2019 by rburnham

The geologic history of a planet is written in its layers. Erosion of the surface reveals several shades of light toned layers, likely sedimentary deposits. The most recent geologic features are the narrow sand dunes snaking across the top of … Continue reading →

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HiRISE: Layers northwest Schiaparelli Crater

Posted on January 30, 2019 by rburnham

Layers northwest Schiaparelli Crater. The objective of this observation is to determine the extent of layers in this part of Schiaparelli Crater. HiRISE Picture of the Day archive [More at links]

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Curiosity: Scoping out Lairig Ghru

Posted on December 18, 2018 by rburnham

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

Posted on November 27, 2018 by rburnham

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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