Solutional caves are the most common type of cave, formed when water dissolves limestone or other soluble rock.

Sea caves are formed when waves erode coastal cliffs, creating hollows and tunnels.

Lava tubes are formed when lava flows through a volcanic vent and then cools and hardens, leaving a hollow tube.

Glacial caves are formed when glaciers erode rock, creating tunnels and chambers.

Sinkhole caves are formed when the roof of a sinkhole collapses, creating a cave.

Talus caves are formed when loose rocks and debris accumulate at the base of a cliff or slope.

Eolian caves are formed when wind erodes sandstone, creating hollows and tunnels.

Fracture caves are formed when tectonic plates move, creating cracks and fissures in the rock.

Gypsum caves are formed when water dissolves gypsum, a type of sulfate mineral.

Anhydrite caves are formed when water dissolves anhydrite, a type of sulfate mineral.

Halite caves are formed when water dissolves halite, a type of chloride mineral.

Calcite caves are formed when water dissolves calcite, a type of carbonate mineral.

Dolomite caves are formed when water dissolves dolomite, a type of carbonate mineral.

Limestone caves are formed when water dissolves limestone, a type of carbonate mineral.

Travertine caves are formed when water deposits travertine, a type of carbonate mineral.