Tag Archives: Ius Chasma

HiRISE: Abstract art in Ius Chasma

Sometimes Mars’ surface is just beautiful as seen through the eyes of HiRISE. This is one example on the floor of Ius Chasma, part of Valles Marineris. The region has had a complex history of sediment deposition, deformation, erosion, and … Continue reading

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HiRISE: In the gullies and bedrock of Ius Chasma

This image was acquired in Ius Chasma, a major section of the western portion of the giant Valles Marineris trough. We see a portion of a steep slope with gullies extending downhill (towards bottom of image). Many of the gully … Continue reading

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THEMIS: Canyons of Ius Chasma

THEMIS Image of the Day, March 7, 2019. This false-color VIS image shows part of the southern cliff face of Ius Chasma, part of the giant Valles Marineris rift system. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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HiRISE: Dark dunes in Ius Chasma

Dark dunes in Ius Chasma. This image is part of a campaign to monitor the dunes over three Martian years. Beautiful Mars series. [More at links]

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THEMIS: Mega-gullies of Louros Valles

THEMIS Image of the Day, March 2, 2018. Ius Chasma is unique from the other chasmata of Valles Marineris in possessing mega-gullies on both sides of the chasma. The largest mega-gullies are located in Sinai Planum, dissecting those plains and … Continue reading

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THEMIS: Sapping gullies in Louros Valles

THEMIS Image of the Day, March 1, 2018. Ius Chasma is unique from the other chasmata of Valles Marineris in possessing mega gullies on both sides of the chasma. The largest mega gullies are located in Sinai Planum, dissecting those … Continue reading

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THEMIS: Colliding landslides in Ius Chasma

THEMIS Image of the Day, February 28, 2018. This VIS image shows the eastern end of Ius Chasma. The southern canyon wall is at the bottom of the image, with dark sand and sand dunes. The presence of mobile sand … Continue reading

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THEMIS: Eroding landslide in Ius Chasma

THEMIS Image of the Day, February 27, 2018. This VIS image shows part of the eastern end of Ius Chasma. Geryon Montes are located in the bottom half of the image. Between the montes and the southern wall face is … Continue reading

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THEMIS: Possible delta in Ius Chasma?

THEMIS Image of the Day, February 26, 2018. This VIS image shows part of eastern Ius Chasma. The lower elevations of Geryon Montes are located at the top of the image. Between the montes and the southern wall face is … Continue reading

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THEMIS: Dunes in Ius Chasma

THEMIS Image of the Day, February 23, 2018. Continuing eastward thru central Ius Chasma, this image shows a section of chasma that is not dominated by landslide deposits. Geryon Montes, in the upper half of the image, has several visible … Continue reading

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