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Near the township of Buchan, lies a honeycomb of caves full of spectacular limestone formations. Buchan Caves were formed by underground rivers cutting through limestone rock. The formations are created by rain water seeping through cracks and dissolving some of the limestone. As each droplet comes through the roof it deposits calcite which crystallises in a small ring. In time, stalactites are formed on the roof of the cave, and stalagmites build up from droplets which fall to the floor.
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