Yellowstone N.P.
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| September 22, 2003 Yellowstone has many examples of this type of geothermal feature.
These are called mud pots, or if they are colorful they may be called paint pots.
These are formed when a hot spring reaches the surface in an area with a type of
clay that will easily form mud. That mud is briskly boiling! There is no
apparent outlet for the water so the mud is continually churned by the boiling action. |
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