Tag Archives: yardangs

HiRISE: Dark sediments in the Medusae Fossae Formation

Dark sediments in the Medusae Fossae Formation. Beautiful Mars series.

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THEMIS: Yardangs in Memnonia Sulci

THEMIS Image of the Day, January 9, 2017. Today’s VIS image shows some of the extensive wind etched terrain in Memnonia Sulci, located south west of Olympus Mons. The linear ridges are called yardangs and form by wind removal of … Continue reading

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HiRISE: Yardangs south of Olympus Mons

Yardangs south of Olympus Mons. Beautiful Mars series.

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THEMIS: Yardangs in Memnonia Sulci

THEMIS Image of the Day, October 24, 2016. The elongated hills in this VIS image are a feature termed yardangs. Yardangs are formed by wind activity in regions where the surface material is soft and not well cemented. The elongation … Continue reading

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HiRISE: Wind carved rock

The distinctively fluted surface and elongated hills in this image in Medusae Fossae are caused by wind erosion of a soft fine-grained rock. Called yardangs, these features are aligned with the prevailing wind direction. This wind direction would have dominated … Continue reading

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THEMIS: Wind leaves its clawmarks

THEMIS Image of the Day, August 17, 2016. Today’s VIS image is located in Aeolis Mensae, east of Gale Crater. The linear ridge/valley system near the center of the image was formed by unidirectional winds eroding poorly cemented material. This … Continue reading

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THEMIS: Wind etching

THEMIS Image of the Day, August 9, 2016. Today’s VIS image is located in a region that has been heavily modified by wind action. The narrow ridge/valley system seen in this image are a feature called yardangs. Yardangs form when … Continue reading

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THEMIS: Wind etching

THEMIS Image of the Day, June 9, 2016. Today’s VIS image is located near Memnonia Sulci, on the edge of Lucus Planum. The material at the top and left side of the image has been eroded by the wind to … Continue reading

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HiRISE: Wind at work

Wind is one of the most active forces shaping Mars’ surface in today’s climate. The wind has carved the features we call “yardangs,” one of many in this scene, and deposited sand on the floor of shallow channels between them. … Continue reading

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HiRISE: Contact with yardangs

Contact with yardangs — Looks like it’s going well. Beautiful Mars series.

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