Tag Archives: bedrock

HiRISE: Tell-tale bedrock in Tyrrhena Terra

Posted on October 9, 2018 by rburnham

Large craters, like this 50-kilometer diameter one, can uplift material from below and form a mountain-like central peak. Craters of this size on Mars become unstable as they form and collapse due to gravity. Craters with central peaks and terraced … Continue reading →

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HiRISE: Exposed bedrock in Millochau Crater

Posted on August 14, 2018 by rburnham

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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HiRISE: Smaller crater on the floor of Gale Crater

Posted on July 23, 2018 by rburnham

A smaller crater on the floor of Gale Crater. This crater likely exposes Gale Crater bedrock beneath the floor units and may allow mapping of floor units in the south of Gale. Beautiful Mars series. [More at links]

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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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