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View of a clear blue hot spring pool of alkaline chloride fluid

By Yellowstone Volcano Observatory 2016 (approx.)
View of a clear blue hot spring pool of alkaline chloride fluid with silica sinter apron around it at Biscuit Basin.
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Detailed Description

View of a clear blue hot spring pool of alkaline chloride fluid with silica sinter apron around it at Biscuit Basin.  This pool is generally close to the boiling temperature (200℉, 93℃) at this altitude (7200 ft, 2195 m).

Sources/Usage

Public Domain.