Speleogen Law and Legal Definition

According to 16 USCS § 4302 (Title 16, Conservation; Chapter 63, Federal Cave Resources Protection), the term "speleogen" means “relief features on the walls, ceiling, and floor of any cave or lava tube which are part of the surrounding bedrock, including but not limited to anastomoses, scallops, meander niches, petromorphs and rock pendants in solution caves and similar features unique to volcanic caves.”