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Photo of white aragonite Photo of a pallid bat Photo of a lava tube (cave) entrance Photo of a shaft of light at the entrance of Carlsbad Cavern Photo of stalactites and soda straw speleothems Photo of someone looking toward the entrance of a cave Photo of stalagmites and aragonite speleothems
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White gypsum "Cave Flowers" radiate outward from a cave wall. Cave Flowers can form when water, rich with minerals such as sulfate, seeps from the walls.
  Photo courtesey of Finley-Holiday Films
 
 
Cave and Karst Program
Geologic Resources Division
National Park Service
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Last Updated: November 18, 2002
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