- A secondary cave structure formed by dissolving, such as a dome pit or a scallop .
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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Boxwork — is an uncommon type of speleogen (similar to a speleothem, but formed by erosion rather than accretion) occasionally found in caves.Boxwork is commonly composed of thin blades of the mineral calcite that project from cave walls or ceilings that… … Wikipedia