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Porcelain Basin spans about one square mile and is renowned for its otherworldly, stark white landscape created by siliceous sinter deposits. It is one of the most active geothermal areas in the park, featuring numerous geysers, hot springs, and fumaroles, with temperatures often exceeding 200°F (93°C). Its colours are caused by  thermophilic (heat-loving) microorganisms including various types of bacteria and algae. Cyanobacteria, for instance, contribute blues and greens, while different species of archaea and bacteria create reds, yellows, and oranges. The colors are also influenced by the mineral content of the water, such as iron, sulfur, and silica, which can form colorful mineral deposits and runoff channels.
Sapphire Pool hot spring  is one of the most beautiful blue pools in the park. Biscuit Basin, Yellowstone National Park, Wyoming
Blue hot spring hole, Midway geyser basin, Yellowstone national park, Wyoming, USA.
An image of Black Opal Diamond Pool in Yellowstone National Park
Sapphire Pool Yellowstone National Park, Wyoming in summer
Closeup of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
Turquoise natural sandstone pools in Pamukkale, Türkiye
Hot springs are the most common hydro-thermal features at Yellowstone National Park.  They vary from frothing mocha-like boiling water to clear and calm pools of tremendous depth.
Norris Geyser Basin at Yellowstone National Park
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
colorful landscape of the midway geyser basin area of yellowstone national park.
Black Diamond Pool Geysers at Yellowstone National Park. Biscuit Basin Trail.
Grand Prismatic Spring in Yellowstone National Park, USA
Wave Spring view of Old Faithful Geyser Erupt in Yellowstone National Park, Wyoming, USA.
Geyser and hot spring in old faithful basin in Yellowstone National Park in Wyoming
Majestic Yellowstone lake
Man on a boardwalk looking at Beauty Pool hot spring in Yellowstone National Park
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
Opal Pool - Biscuit Basin
Black Pool hot spring with Yellowstone Lake in the background
A closeup shot of a landscape with Geiser in Yellowstone National Park in  Wyoming
Colorful geyser erupting at Biscuit Basin in Yellowstone National Park.
Mammoth Hot Springs in Yellowstone National Park
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
The Midway Geyser Basin, one of Yellowstone's colorful hot springs
Black Diamond Pool Geysers at Yellowstone National Park. Biscuit basin trail.
Geothermal pool in Wyoming, USA
Economic Geyser view of Old Faithful Geyser Erupt in Yellowstone National Park, Wyoming, USA.
Colorful hot water pool in the Yellowstone National park, USAColorful hot water pool in the Yellowstone National park, USA
Scattered across Yellowstone National Park, hot springs deep underground rise to the surface through limestone and deposit calcium carbonate building travertine terraces.
Free Images: "bestof:deep blue water yellow stone national park wyoming usa nature landscape scenery colorful microorganism minerals volcanic hot sulfur"
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