Tag Archives: wind erosion

HiRISE: On the beauty of yardangs

Posted on May 13, 2015 by rburnham

Some geological materials (like solid rock) are incredibly tough, but others (like piles of volcanic ash) are quite soft. Some materials are soft enough that they can be eroded by the wind alone and yield landscapes that look like what … Continue reading →

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THEMIS: Asimov Crater

Posted on March 27, 2015 by rburnham

THEMIS Image of the Day, March 27, 2015. Asimov Crater is unique in that the crater floor has been completely filled with material to approximately the crater rim and then a series depressions have occurred near the crater rim. More … Continue reading →

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HiRISE: Yardangs in Arsinoes Chaos

Posted on February 6, 2015 by rburnham

Several terrain types converge in this scene from Arsinoes Chaos, in the far eastern portions of Valles Marineris. The jumbled chaos terrain is likely related to the massive water-carved outflow channels that started in this area and flowed north across … Continue reading →

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THEMIS: Galle Crater floor

Posted on February 5, 2015 by rburnham

THEMIS Image of the Day, February 5, 2015. The unusual texture seen in this image of Galle Crater is likely layered deposits that have been eroded. There are small dune and windstreak features in this image, indicating that winds are … Continue reading →

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HiRISE: Wind erosion, Medusae Fossae Formation

Posted on January 5, 2015 by rburnham

Wind erosion of the Medusae Fossae Formation. Beautiful Mars series.

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THEMIS: Yardangs

Posted on October 15, 2014 by rburnham

THEMIS Image of the Day, October 13, 2014. This region near Memnonia Sulci has been eroded by the wind to form linear ridges called yardangs. The two prominent directions of wind are recorded by the two directions of the ridges. More … Continue reading →

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HiRISE: Yardangs in Amazonis Mensa

Posted on June 16, 2014 by rburnham

Beautiful Mars series. Yardangs in Amazonis Mensa. More Beautiful Mars images.

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Opportunity: Sol 3602, March 12, 2014

Posted on March 13, 2014 by rburnham

Wind-shaped rock (ventifact)? At a target dubbed Augustine, the Pancam takes a close look at one of the cobble-size rocks on Murray Ridge using its filter collection. (More about the filters here.) This image at right uses left-side filter #5 … Continue reading →

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HiRISE: Terrain on Ophir Mensa

Posted on March 3, 2014 by rburnham

Beautiful Mars series: Terrain on Ophir Mensa. More Beautiful Mars images.

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Gale’s winds sculpted the Mt. Sharp mound as they built it

Posted on April 1, 2013 by rburnham

The major reason for sending the Mars Science Laboratory rover Curiosity to Gale Crater is the five-kilometer (three-mile) high layered mound, dubbed Mt. Sharp, that looms at the crater’s center. The lowest layers have been altered by water

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