Rock-cut basin
From The Art and Popular Culture Encyclopedia
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A rock-cut basin, in this usage of the term, is a natural phenomenon. They are cylindrical depressions cut into stream or river beds, often filled with water. Such plucked-bedrock pits are created by kolks; powerful vortices within the water currents which spin small boulders around, eroding out these rock basins by their abrasive action. These basins are frequently found in streams and rivers with a relatively soft rock substrates such as limestones and sandstones. The rather unusual and man-made appearance of such depressions has led to various folk-tales becoming associated with them, such as their identification as petrosomatoglyphs, including knee prints, elbow prints, etc. of saints, heroes, kings or Supernatural beings.
See also
- Marriage stone - more on holestones.
- Bullauns
