Sunday, July 12, 2015

Mammoth Hot Springs, Yellowstone National Park

The Mammoth Hot Springs in Yellowstone National Park is one of its most famous attractions. Unfortunately, the Springs have changed considerably since I first saw them as a child. the formations are made of calcium carbonate deposited by the thermal springs with water originating in the Norris Geyser Basin. The water emerges at a temperature of about 170 degrees Fahrenheit or 80 degrees Centigrade. The changes occur steadily with huge amounts of calcium carbonate being deposited every day. Here is a link to Yellowstone Science with photos showing the changes in the Springs over time and indicating that they are not drying up, but are constantly changing.

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