Emerald Spring. The magnificent color comes from the water which reflects blue wavelengths of sunlight combined with the yellow of the sulfur-coated pool.
Norris Geyser Basin, Yellowstone National Park, Wyoming
Emerald Spring. The magnificent color comes from the water which reflects blue wavelengths of sunlight combined with the yellow of the sulfur-coated pool.
Vixen Geyser, one of the smaller, yet frequent and entertaining, geysers in the Back Basin area.
Minute Geyser
PORCELAIN BASIN:
Colorful run-off channel of Whirlgig Geyser. This and other colorful runoff channels in Yellowstone are created by a combination of algal thermophiles (microorganisms that thrive in the warm water environments), cyanobacteria, and/or minerals.
Colorful spring in Porcelain Basin.
More colorful water in Porcelain Basin.
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by Donald A. Klosterman, Ph.D., Dayton, Ohio, USA
Porcelain Basin