Difference between revisions of "Atoll"
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Atolls are circular, oval, or horseshoe-shaped arrays of coral reef islands that are perched around an oceanic volcanic seamount and encircle a shallow central lagoon. The small islands are separated from each other by channels that lead from the sea into the central lagoon. [http://www.eoearth.org/article/Atoll Learn more about atolls]. | Atolls are circular, oval, or horseshoe-shaped arrays of coral reef islands that are perched around an oceanic volcanic seamount and encircle a shallow central lagoon. The small islands are separated from each other by channels that lead from the sea into the central lagoon. [http://www.eoearth.org/article/Atoll Learn more about atolls]. | ||
Revision as of 12:53, 10 May 2013
Atolls are circular, oval, or horseshoe-shaped arrays of coral reef islands that are perched around an oceanic volcanic seamount and encircle a shallow central lagoon. The small islands are separated from each other by channels that lead from the sea into the central lagoon. Learn more about atolls.