Glossary of Karst and Cave Terms
Based on "A Lexicon of Cave and Karst Terminology with Special to Environmental Karst Hydrology" EPA/600/R-02/003, 2002, EPA: Washington, DC., Speleogenesis Glossary includes 2699 cave & karst terms
A remnant of a sheet of flowstone, originally deposited on clastic sediments that were subsequently washed out from beneath. False floors may survive as a complete bridge between passage walls or just as projecting ledges. They may be thin and easily broken or thick and very strong .