Tag Archives: layered deposits

HiRISE: Rhythmic layers east of Medusae Fossae

Posted on June 11, 2019 by rburnham

The surface of this image looks wavy, like that of the sea. These wave shapes are the result of erosion: the removal of material, which has been ongoing for millions, if not billions, of years. This erosion is likely performed … Continue reading →

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Curiosity: Morningside’s layers

Posted on June 5, 2019 by rburnham

Sol 2427, June 5, 2019. The Mars Hand Lens Imager (MAHLI) is continuing its survey of the Woodland Bay area and the Morningside outcrop in particular. The layers in Morningside appear to have cyclic patterns which, if real, likely reflect … Continue reading →

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HiRISE: An interesting layered deposit

Posted on May 30, 2019 by rburnham

An interesting layered deposit. The objective of this observation is to examine layers in an impact crater, located in Galaxias Fossae. Pictures like this will help us put together a geological history of the region. Note the indentation on the … Continue reading →

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HiRISE: Collapsed material on the floor of Orson Welles Crater

Posted on May 23, 2019 by rburnham

Collapsed material on the floor of Orson Welles Crater. This observation captures collapsed blocks of material on floor of Orson Welles Crater. Layers and the clay minerals found in this 125-kilometer crater are evidence that it once contained a lake. … Continue reading →

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HiRISE: Layers along a channel in Arabia Terra

Posted on May 1, 2019 by rburnham

Layers along a channel in Arabia Terra. The objective of this observation is to examine a set of dipping layers along the west wall of a channel. We are also able to see layers in the east wall of the … Continue reading →

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THEMIS: South polar outliers

Posted on April 26, 2019 by rburnham

THEMIS Image of the Day, April 26, 2019. This VIS image is located near the south polar cap and exhibits the same layering of ice and dust. Outliers are regions that were once part of a larger regional feature but … Continue reading →

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HiRISE: Layered bedrock to the northwest of Hellas Planitia

Posted on March 26, 2019 by rburnham

Layered bedrock to the northwest of Hellas Planitia. There are some very nice geologic contacts in this region. HiRISE Picture of the Day archive [More at links]

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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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