Upper Terrace hot springs at Mammoth in Yellowstone National Park. Heat, water, limestone and rock fractures all combine to create the unique formations in Mammoth Hot Springs. The main mineral that deposited is called travertine and tends to be white. But the living microorganisms and bacteria create various shades of pink, yellow, orange, green and brown. This specific area is in the upper terrace loop. A section of the Terrace has a boardwalk that links several of the features. This boardwalk leads to trail springs where on this cold morning the sun is slowly starting to rise lighting up the path and welcoming visitors. Steam rises from trail springs and Dryad springs which is located down the terrace.
December 30th, 2012
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