Tag Archives: Medusae Sulci

Medusae Fossae formation is likely a deposit from explosive volcanism

[Editor’s note: From a paper by┬áLujendra Ojha and Kevin Lewis recently published in the Journal of Geophysical Research.] The Medusae Fossae Formation is one of the largest sedimentary deposits on Mars. Its origin is uncertain, though several processes including volcanic, … 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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HiRISE: Medusae Sulci

Medusae Sulci. Beautiful Mars series.

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