porridge pot
geological feature
Quick Summary
The term "porridge pot" refers to a geological feature that is a type of mud volcano. Specifically, it is a basin of boiling mud that can erode chunks of the surrounding rock. This is distinct from a "giant's cauldron," which is a large pothole formed in rock by a stream falling into a crevasse of a glacier. Mud volcanoes can be formed by hot-spring activity or in oil-field regions where gases and mud are forced to the surface.12
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