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Possible karst landforms in two unnamed craters in Tyrrhena Terra, Mars

Planetary and Space Science, ISSN: 0032-0633, Vol: 132, Page: 57-65
2016
  • 7
    Citations
  • 0
    Usage
  • 15
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    7
    • Citation Indexes
      7
  • Captures
    15

Article Description

Tyrrhena Terra, an area in the cratered highlands south of the Martian equator, contains two unnamed craters. The mineralogical composition of light-toned deposits (LTDs) within these craters is unknown. We performed morphologic and morphometric analyses of the surfaces of these LTDs through an integrated study of images available through the Reconnaissance Mars Orbiter High-Resolution Imaging Science Experiment. Our analysis revealed that the Martian landforms contain dolines of polygenetic origin. These dolines are similar to karst landforms observed in different karst terrains on Earth and other regions on Mars. The observed karst landforms might highlight the possible evaporitic origin of these materials, suggesting a climatic change and the presence of liquid water caused by ice melting during the Amazonian age.

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