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Geothermal area
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Vivid colors of the Black Pool in the Yellowstone National Park, Wyoming
Yellowstone National Park turquoise thermal pool, Wyoming, USA.
Grand Prismatic Spring in Yellowstone National Park
Geothermal pools in Biscuit Basin, Yellowstone Park. Wyoming, USA
Thermophilic Microbial Mat at Norris Geyser Basin in Yellowstone National Park, Wyoming. These olive-green mats are the result of cyanobacteria mixed with iron.
The aquamarine colors of this Yellowstone hot spring are reflections of bacteria that thrive in the hottest waters of the park.
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.
Geysers at Midway Geyser Basin Trailhead, Yellowstone National Park.
Pattern and structure of water drains from geysers around Old Faithful Snow lodge and steaming geysers. In Yellowstone National Park. USA
Beautiful abstract view of Sapphire Pool in Yellowstone National Park
Silex Spring at Fountain Paint Pot Thermal Area. Yellowstone National Park
Image of Macro of Yellowstone spring with colorful alkaline waters
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.
Closeup of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Textures and colors of the terrain in Yellowstone National Park XXI, USA
Norris Geyser Basin, Yellowstone National Park.
Black sands geyser basin in the Yellowstone National park, USA
West Thumb Geyser Basin in Yellowstone National Park in Wyoming, USA: The Majestic Hot Springs formed by a large volcanic explosion 150,000 years ago
Flowing pattern and geyser, Yellowstone National Park, USA.
A stunning geothermal spring featuring sunlight reflections, steaming vapors, and picturesque surroundings in Yellowstone National Park. The terrain showcases unique mineral deposits and formations against a clear blue sky and distant trees.
Grand Prismatic Spring Overlook in Yellowstone National Park, Wyoming, USA.
Close up of a thermal feature and its contrasting colors in Yellowstone National Park, MT/WY.  The white line is the hardening minerals that bubble from the deep waters of this volcanic landscape.  The orange are living thermophil that must have high temperatures to thrive.
The gold-colored runoff at the Upper Geyser Basin in Yellowstone National Park is typically caused by thermophiles, heat-loving microorganisms that thrive in the hot, mineral-rich waters of the geothermal features. These microorganisms, particularly certain types of bacteria and archaea, produce pigments that give the runoff its striking colors. The gold or yellow color is often attributed to thermophilic bacteria like Thermocrinis or other species that can process sulfur or iron, creating vibrant hues in the runoff channels. These colorful runoffs are a hallmark of the park's geothermal activity.
Image of Detail of colorful Yellowstone pools of acidic sulfur
Black Diamond Pool Geysers at Yellowstone National Park. Biscuit Basin Trail.
Grand Prismatic Spring in Yellowstone National Park
Morning Glory pool at Yellowstone National Park, Wyoming, USA.
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