Saturday, February 5, 2011

Thermal Pools

Celestine Pool at the Fountain Paint Pots

Fountain Paint Pots area

Pool on Upper Geyser Basin

"Thermophiles (heat-loving microorganisms such as bacteria) usually form the ribbons of color like you see here.  The green, brown, and orange colors are mostly cyanobacteria, which can live in waters as hot as 167 degrees F."

Chromatic Pool at Upper Geyser Basin

Morning Glory Pool--named because of its shape on the inside

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