Cave and Grotto Types


 * boulder cave or talus cave
 * breathing cave
 * canyon
 * catacomb
 * cavern
 * chemically formed cave
 * crevice cave
 * dissolutional cave
 * eolian cave
 * erosion cave
 * fissure cave
 * glacier cave
 * glaciere
 * gypsum cave
 * ice cave
 * lava cave
 * lava tube cave or lava tube
 * limestone cave
 * master cave
 * mechanically formed cave
 * rock shelter
 * sandstone cave
 * sea cave
 * sink
 * sinkhole
 * solution cave or karst cave
 * souterrain
 * suffosional cave
 * talus cave or boulder cave
 * tectonic cave