Saturday, February 21, 2009
Minerva Terrace...
at Mammoth Hot Springs, Yellowstone National Park (click to enlarge,) is a picturesque example of travertine deposition resulting from the geothermal precipitation of calcium carbonate (calcite/limestone.) This is the type of mineral deposit that perhaps has been discovered on Mars, and if so, could be home to a microbial ecosystem. I snapped this image in August 2006.
Labels:
geology,
mars,
yellowstone
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