Photographer's Note

Minerva terrace, Yellowstone national park, Wyoming, USA.
The most famous feature at the Mammoth Hot Springs is the Minerva Terrace, a series of travertine terraces. The terraces have been deposited by the spring over many years but, due to recent minor earthquake activity, the spring vent has shifted, rendering the terraces dry.
Travertine terraces, found at Mammoth Hot Springs, are formed from limestone (a rock type made of calcium carbonate). Thermal waters rise through the limestone, carrying high amounts of dissolved carbonate. Carbon dioxide is released at the surface and calcium carbonate deposited as travertine, the chalky white rock of the terraces.[6] These features constantly and quickly change due to the rapid rate of deposition.
Mike :-)
To be cont'ed...

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Additional Photos by Mike Seleznev (Selmik) Gold Star Critiquer/Gold Note Writer [C: 346 W: 4 N: 668] (3631)
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