samgrover.com
A winding channel of bright orange mineral deposits in a geothermal pool.
A close-up of colorful geothermal mineral deposits with dark, vein-like patterns.
Steam rises from an orange-hued geothermal spring.
A steaming geothermal pool with vibrant yellow and orange edges surrounding bright blue water.
A winding orange mineral deposit curves through shallow water.

Microbial mats at the Grand Prismatic Spring, Yellowstone National Park. 19th September, 2014.

Published on