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Morning Glory pool at Yellowstone National Park, Wyoming, USA.
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Intimate scenery at Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Yellowstone became the first national park for all visitors to enjoy the unique hydrothermal and geologic features, to observe wildlife and active geysers.
Beautiful abstract view of Sapphire Pool in Yellowstone National Park
Grand Prismatic Hot Springs at Excelsior Geyser in Yellowstone National Park
Geothermal pools in Biscuit Basin, Yellowstone Park. Wyoming, USA
The crusty white deposits around Vixen Geyser’s vent are most likely mineral deposits, specifically silica and sulfate minerals. These deposits form when the hot water and steam from the geyser contain dissolved minerals. As the water cools upon reaching the surface and evaporates, the minerals are left behind, creating the characteristic white, crusty formations.
Yellowstone National Park turquoise thermal pool, Wyoming, USA.
deadly and beautiful closeup of blue pool in west thumb geyser basin
Norris Geyser Basin in Yellowstone National Park which is the hotest geyser basin in the park.  Porcelain Basin with hot springs, thermal algae; steam and various colors. Bacterial thermophiles.
Steaming Geysers and thermal pools at Yellowstone National Park
Mineral deposition of hot spring terrace at Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Morning Glory Pool ringed with orange thermophiles and white sinter. Upper Geyser Basin, Yellowstone National Park, Wyoming, USA.
Vibrant mineral deposits cover the ground in this geothermal area of Yellowstone National Park. Steam rises from vents, showcasing the park's active geology under a clear sky.
Yellowstone became the first national park for all visitors to enjoy the unique hydrothermal and geologic features, to observe wildlife and active geysers.
Yellowstone National Park, Wyoming Oct 11 thru Oct 06, 2011
wolves
Spectacular panoramic views of Grand Prismatic Geyser in Yellowstone National Park, Wyoming Montana. Midway Geyser Basin. Great hiking. Summer wonderland to watch wildlife and natural landscape. Geothermal.
Boiling Hot Springs with Steam in Yellowstone National Park Background Landscape Nature Water
Black Diamond Pool Geysers at Yellowstone National Park. Biscuit Basin Trail.
Grand Prismatic Springs, Yellowstone National Park.
Closeup of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Layers of Colorful Sulfur Sediment from hot spring
Geothermal pools at Yellowstone National Park showcase vibrant colors as steam rises into the crisp afternoon air.
Textures and colors of the terrain in Yellowstone National Park XXI, USA
Yellowstone National Park, Wyoming, USA: the travertine pools of Palette Spring in Mammoth Hot Springs, Yellowstone National Park, are formed by hot, calcium-rich water emerging from underground sources. As the water cools and releases carbon dioxide at the surface, calcium carbonate precipitates, building terraces and rimstone pools. These pools display striking colors—white, yellow, and orange—caused by thermophilic microorganisms and mineral deposits. Constant fluctuations in water flow, temperature, and chemistry reshape the formations over time.
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