A close-up shows the detail of the texture of the Giant Dome Column, located in the Hall of Giants in Carlsbad Caverns National Park, New Mexico. Giant Dome, like the other speleothems in the Hall of Giants, began as small calcite deposits on the cavern floor. Dripping water resulted in more calcite building up on the initial deposits, gradually building the small formations into large stalagmites. Giant Dome eventually grew to touch the ceiling, turning it from a stalgmite into a column that is 62 feet (19 meters) tall.
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