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Stalactites and stalagmites form in a a cave at Yarrangobilly, NSW Australia. When the formations meet and joint they are called columns. (Image : Gary Lewis) |
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Next to thicker columns stretches thin white straws. This one, over ten meters in length, hangs in a cave at Yarrangobilly, NSW Australia. (Image : Gary Lewis) |
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This column in Jenolan Caves, NSW Australia, was broken due to movement in the cave floor or possibly an earthquake. (Image : Gary Lewis) |
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Helectites and Straws in an unnamed cave in Indiana, USA. (Image : Chuck Perkins) |
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The strange growth patterns of helectites from an unnamed cave in Indiana, USA. (Image : Chuck Perkins) |
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Caramel colored flowstone covers the walls of Buddah Cave, Indiana, USA. (Image : Chuck Perkins) |
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Some caverns become very large through a process of roof collapse. Large slabs peel off the roof and are then eroded by water on the cave floor. Buggytop Cave, Tennessee, USA. (Image : Chuck Perkins) |
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Shawls. (Image : John Brush) |
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Flowstone. (Image : John Brush) |
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Speleothems form along a joint in the rock in this cave in New Zealand. (Image : Andy Spate) |
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Cave popcorn in a cave in Korea. (Image : Woo Kynug Sik) |
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Cave pearls in a cave in Korea. (Image Woo Kynug Sik) |
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Calcite rafts that formed on the surface of a lake that has now dried out leaving the rafts behind in Wind Cave,
South Dakota. (Image : Carleton Bern) |
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Caver Eve Proper sits next to impressive helectites in Breezeway Cave, Colorado. (Image : Carleton Bern) |
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A variety of formations and color in the Bell Cord Room of Carlsbad Caverns, New Mexico. (Image : Carleton Bern) |
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A burst of helectites in Breezeway Cave, Colorado. (Image : Carleton Bern) |
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