A close-up of boiling mud known as a mud pot in Yellowstone National Park, USA

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A close-up of boiling mud known as a mud pot in Yellowstone National Park, USA. When more colourful this is due to iron compounds and they are then called "paint pots". Usually form in areas where water is scarce.

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Size: 5150px × 3427px
Location: Yellowstone NP, USA
Photo credit: © Tash Textures / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bubble, bubbling, clay, environment, fumerole, geography, geology, geothermal, geyser, grey, hot, mudpot, national, natural, nature, paint, park, pot, slurry, spring, unusual, wyoming, yellowstone