Tag Archives: bedrock

HiRISE: Bedrock exposed in Hale Crater’s rim

Posted on June 1, 2018 by rburnham

Hale Crater is a large impact crater (more than 100 kilometers) with a suite of interesting features such as active gullies, active recurring slope lineae, and extensive icy ejecta flows. There are also exposed diverse (colorful) bedrock units. NB: North … Continue reading →

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HiRISE: Eastern rim of Bonestell Crater

Posted on May 7, 2018 by rburnham

Eastern rim of Bonestell Crater. There are some excellent bedrock exposures in these images. Beautiful Mars series. [More at links]

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HiRISE: Central peak and pit with bedrock exposures

Posted on May 4, 2018 by rburnham

A central peak and pit with bedrock exposures. Beautiful Mars series. [More at links]

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HiRISE: Bedrock on crater floor

Posted on May 3, 2018 by rburnham

This enhanced color image shows eroded bedrock on the floor of a large ancient crater. [More at link]

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HiRISE: Exploring Meridiani Planum

Posted on May 2, 2018 by rburnham

The Opportunity rover has spent 13 years exploring a small region of Meridiani Planum which has a rather ordinary appearance. Other portions of Meridiani are much more interesting, with well-exposed layered bedrock eroded into strange patterns. [More at link]

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HiRISE: Colorful layers in Ariadnes Colles

Posted on May 1, 2018 by rburnham

This image shows bedrock layers of diverse colors and composition. [More at link]

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HiRISE: Strata always have a story

Posted on April 4, 2018 by rburnham

Strata always have a story. This area is located within the massive Valles Marineris canyon system, and was suggested to monitor for recurring slope lineae on a slope to the south, but we thought the gorgeous bedrock deserved to be … Continue reading →

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Many bedrock plains are clastic rocks, not lavas

Posted on March 6, 2018 by rburnham

The Martian surface is dominated by loose dust, sands, and rocks, but high spatial resolution imaging has permitted the detection of numerous flat-lying exposures of ancient, intact bedrock. These “bedrock plains” have previously been interpreted as lava sequences, perhaps similar … Continue reading →

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HiRISE: Wrinkles in rock

Posted on February 23, 2018 by rburnham

The bedrock in this region of Arabia Terra has been worn away by the wind, revealing their internal structure and geologic history. The wavy lines are individual layers of sand and dust, originally laid down as the bedrock was forming. … Continue reading →

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HiRISE: Geologic history revealed in Valles Marineris

Posted on February 5, 2018 by rburnham

An enhanced-color image reveals bedrock that is several kilometers below the top of the giant Valles Marineris canyons. The upper layers have relatively little diversity of colors and textures, but deeper levels show more complex processes. The upper layers could … Continue reading →

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