Formations
Marengo Cave is truly blessed with a wide variety of speleothems (cave mineral deposits). These are commonly known as formations.
- Stalactites hang from the ceiling.
- Soda Straws are baby stalactites.
- Stalagmites grow up from the floor.
- Flowstone deposits anywhere water flows.
- Draperies form along slanted ceilings.
- Helictites are strange, unusual formations.
- Cave Popcorn is knob-like in appearance.
- Rimstone Dams form around pools of water.