Speleothem
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A speleothem is a geological formation made by mineral deposits that accumulate over time in natural caves. They can take a variety of forms, depending on their depositional history and environment. C
Cave labeled with the six most common types of speleothems: flowstone, columns, drapery, stalagmites, stalactites and straws
Rimstone with odd color, in Bristol Caverns, TN
Scallops in Mammoth Cave
Various formations in the Hall of the Mountain Kings, Ogof Craig a Ffynnon, South Wales, Great Britain
Stalactite
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A stalactite is a mineral formation that hangs from the ceiling of caves, hot springs, or man-made structures such as bridges and mines. Any material that is soluble and that can be deposited as a col
Speleothem
…time in natural caves. They can take a variety of forms, depending on their depositional history and environment. Common forms include stalagmites, stalactites, and flowstones. Speleothems most commonly form in calcareous caves due to carbonate dissolution reactions. Their chemical composition, gradual growth…
Pillars in the Caves of Nerja, Spain
Shark tooth stalactites
Ice stalactites on the gutter of a house