Tag Archives: yardangs

Winds of Jezero Crater

[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

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

[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

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’

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

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

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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THEMIS: Wind-eroded ridges

THEMIS Image of the Day, July 17, 2018. Winds in this region have modified the surface, carving valleys into a poorly cemented material. The winds in this region blew toward the northeast. (Note: north is to the top of the … Continue reading

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HiRISE: Contact between Apollinaris Patera and the Medusae Fossae formation

Contact between Apollinaris Patera and the Medusae Fossae formation. Let’s hope they get along. (The Medusae Fossae Formation is to the right in this image and is noticeable for the yardangs — those long, high standing rock formations — we … Continue reading

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THEMIS: Wind etching of soft sediments

THEMIS Image of the Day, June 29, 2018. In regions of poorly cemented surface materials it is possible to create large features due to just the action of the wind. The equatorial region between Olympus Mons and Apollinaris Mons is … Continue reading

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