Tag Archives: north polar layered deposits

HiRISE: Drag folds in north polar layered deposits

Posted on June 7, 2016 by rburnham

This image shows what looks like drag folds, where rock layers bend (fold) before they break in a fault. However, the North Polar layered deposits are composed of ice, and this is a large scale for such a feature, compared … Continue reading →

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HiRISE: Polar layered deposit unconformities

Posted on April 26, 2016 by rburnham

North polar layered deposit unconformities. Beautiful Mars series

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HiRISE: Colorful polar layer deposit

Posted on March 25, 2016 by rburnham

The North Polar layered deposits provide a record of recent climate changes on Mars. Color variations between layers are due to differences in composition of the dust that contaminates the ice, and differences in surface textures and residual seasonal frost. … Continue reading →

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THEMIS: Polar cap layers

Posted on November 19, 2015 by rburnham

THEMIS Image of the Day, November 19, 2015. This VIS image shows part of the margin of the north polar cap. Layering of the ice is visible in the top half of the image. Small dunes located on the plains … Continue reading →

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HiRISE: Dynamic Mars

Posted on October 6, 2015 by rburnham

This scarp at the edge of the North Polar layered deposits of Mars is the site of the most frequent frost avalanches seen by HiRISE. At this season, northern spring, frost avalanches are common and HiRISE monitors the scarp to … Continue reading →

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THEMIS: North polar cap false color

Posted on January 28, 2015 by rburnham

THEMIS Image of the Day, January 28, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading →

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HiRISE: Filled crater near north polar deposits

Posted on September 4, 2014 by rburnham

Filled crater on the edge of north polar layered deposits. Beautiful Mars series.

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HiRISE: Ridge between two north polar scarps

Posted on August 29, 2014 by rburnham

Ridge between two steep north polar interior scarps. Beautiful Mars series.

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HiRISE: Angry red scarp

Posted on July 22, 2014 by rburnham

Such an angry red scarp. Beautiful Mars series.

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THEMIS: Polar layers

Posted on July 2, 2014 by rburnham

THEMIS Image of the Day, July 2, 2014. This VIS image very clearly shows the layering that is found in both polar caps. This image is of the north polar cap. More THEMIS Images of the Day by geological topic.

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