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Contact between Two Distinct Types of Bedrock Northwest of Hellas Planitia

NASA/JPL-Caltech/Univ. of Arizona2017-01-25

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In this image from NASA Mars Reconnaissance Orbiter is an old degraded crater that has undergone a complex history of burial and erosion. The image shows a surface with at least two types of exposed bedrock, one that is light-toned and one that is dark.

The overlying, rougher blueish-toned bedrock appears to have undergone the most extensive erosion, revealing the smoother, fractured yellowish-toned bedrock below. We see windblown (aeolian) bedforms across the image, possibly the culprit behind the erosive forces that have removed and uncovered the underlying yellowish-toned bedrock visible today.

http://photojournal.jpl.nasa.gov/catalog/PIA11705

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  • Title: Contact between Two Distinct Types of Bedrock Northwest of Hellas Planitia
  • Creator: NASA/JPL-Caltech/Univ. of Arizona
  • Date Created: 2017-01-25
  • Rights: JPL
  • Album: kboggs

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