Cave rainwater and groundwater charged with HCO (carbonic acid) and naturally occurring organic acids. The dissolution process produces a distinctive landform known as "karst", characterized by sinkholes and underground drainage. Limestone caves are often adorned with calcium carbonate formations produced through slow precipitation. These include flowstones, stalactites, stalagmites, helictites, soda straws and columns. These secondary mineral deposits in caves are called "speleothems". The portions of a solutional cave that are below the water table or the local level of the groundwater will be flooded. Lechuguilla Cave in New Mexico and nearby Carlsbad Cavern are now believed to be examples of another
Petty John's Cave use or trust any ropes or lines left in the cave. Please also help this much abused cave by not damaging formations and packing out trash. The Bridge Room is a good place to take a rest. You can hang your legs over the edge and listen to the stream that is 80 ft below. The Worm Tube leads to the Echo Room, which is the biggest room of the cave. The Volcano Room is shaped like a large funnel and it leads to the stream passage and the sump. The Over-Under Room and the Signature room are also other