Tag Archives: yardangs

THEMIS: Wind-blown debris in channel

Posted on September 2, 2019 by rburnham

THEMIS Image of the Day, September 2, 2019. Several named and unnamed channels are located south of the Medusae Fossae Formation on the margin with Terra Sirenum. One of the unnamed channels is visible in the lower half of this … Continue reading →

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THEMIS: Medusae Fossae formation yardangs

Posted on August 28, 2019 by rburnham

THEMIS Image of the Day, August 28, 2019. Yardangs are present at the top of this VIS image. These features are created by long term winds scouring a poor cemented surface material into linear ridges and valleys. These yardangs are … Continue reading →

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THEMIS: Wind-etched sediments in Gordii Dorsum

Posted on July 10, 2019 by rburnham

THEMIS Image of the Day, July 10, 2019. The most common active process affecting the surface of Mars today is erosion by the wind. In areas of poorly cemented surface materials, the effect is more easily seen. This image near … Continue reading →

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Winds of Jezero Crater

Posted on March 19, 2019 by rburnham

[Editor’s note: From a paper by Mackenzie Day and Taylor Dorn recently published in Geophysical Research Letters.] Wind in Jezero crater, Mars • Modern winds in Jezero crater come from the east, but ancient winds came from the southwest • … Continue reading →

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THEMIS: Yardangs in Candor Chasma

Posted on January 22, 2019 by rburnham

THEMIS Image of the Day, January 22, 2019. This VIS image shows part of the eastern end of Candor Chasma. The upper edge of the canyon is at the bottom of the image. The slopes of the chasma are eroded … Continue reading →

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Tibetan Plateau has analogs for Mars yardangs

Posted on August 23, 2018 by rburnham

[Editor’s note: From a paper by Jiang Wang and eight co-authors recently published in the Journal of Geophysical Research.] Geological Features and Evolution of Yardangs in the Qaidam Basin, Tibetan Plateau (NW China): A Terrestrial Analogue for Mars • We … Continue reading →

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HiRISE: Inverted channel on elevated terrain

Posted on August 2, 2018 by rburnham

An inverted channel on elevated terrain. Interesting fluvial processes that might help improve our understanding of the deposits in the Medusae Fossae Formation. Beautiful Mars series. [More at links]

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HiRISE: The bedforms, they are a-changin’

Posted on July 30, 2018 by rburnham

The bedforms, they are a-changin’. This is in Zephyria Planum. Beautiful Mars series. [More at links]

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THEMIS: Daedalia Planum crater

Posted on July 30, 2018 by rburnham

THEMIS Image of the Day, July 30, 2018. This VIS image shows part of an unnamed crater on the northwest margin of Daedaia Planum. Lava flows are visible around the crater rim. The interior of the crater has been filled … Continue reading →

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THEMIS: Wind-etched ridges on Zephyria Planum

Posted on July 27, 2018 by rburnham

THEMIS Image of the Day, July 27, 2018. This VIS image is located near Zephyria Planum. Winds of two different directions have excavated a poorly cemented surface into linear ridge features called yardangs. Examining the structure of the ridges, it … Continue reading →

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