Athabasca Valles, Mars: A Lava-Draped Channel System

  title={Athabasca Valles, Mars: A Lava-Draped Channel System},
  author={Windy L. Jaeger and Laszlo P. Keszthelyi and Alfred S. McEwen and Colin M. Dundas and Paul C. Russell},
  pages={1709 - 1711}
Athabasca Valles is a young outflow channel system on Mars that may have been carved by catastrophic water floods. However, images acquired by the High-Resolution Imaging Science Experiment camera onboard the Mars Reconnaissance Orbiter spacecraft reveal that Athabasca Valles is now entirely draped by a thin layer of solidified lava—the remnant of a once-swollen river of molten rock. The lava erupted from a fissure, inundated the channels, and drained downstream in geologically recent times… 
Response to Comment on "Athabasca Valles, Mars: A Lava-Draped Channel System"
Data from the High-Resolution Imaging Science Experiment camera now confirm that, although certain features exhibit a superficial similarity to ice-related landforms, solidified lava coats the entire channel system of Athabasca Valles, Mars.
Coils and Polygonal Crust in the Athabasca Valles Region, Mars, as Evidence for a Volcanic History
High-resolution images from the Mars Reconnaissance Orbiter show that the Athabasca Valles on Mars is volcanic in origin, and 269 spiral coils ranging from 5 to 30 meters wide on the polygonally patterned interplate terrain that are morphologically consistent with terrestrial lava coils that form in zones of flow shear.
Comment on "Athabasca Valles, Mars: A Lava-Draped Channel System"
All the features they described are secondary and postdate the surface by many millions of years, as documented by structural relationships with small, young impact craters.
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