Talus or fissure caves are very different from limestone caverns (Mammoth Cave, Carlsbad Caverns) which form through dissolution of limestone by acid water.
(Talus or fissure caves; are; very different from limestone caverns) (Mammoth Cave; form; through dissolution of limestone by acid water)
Talus or fissure caves Mammoth Cave
are form
very different from limestone caverns
through dissolution of limestone by acid water