1. A column of rock produced by differential weathering or erosion, as along a joint plane. 2. In a cave, a pillar-type structure that is residual bedrock rather than a stalactostalagmite.
Related terms:
1. A column of rock produced by differential weathering or erosion, as along a joint plane. 2. In a cave, a pillar-type structure that is residual bedrock rather than a stalactostalagmite.
Related terms: