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6.3.3.2 Barrier Reef

A barrier reef is a deposit of coral separated from shore by a lagoon of varying width and depth. At various locations, small breaks allow the exchange of water between the lagoon and the open water.


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Submerged barrier reef and pass, offshore from Noumea, New Caledonia.
Submerged barrier reef and pass, offshore from Noumea, New Caledonia.
Original picture from the Ward Collection
Atoll Glacier Formation  Formation of an Atoll: Sinking Island  Fringing coral reef. South side of Vito Levu, Fiji Islands, Reef Flat.  atoll  Submerged barrier reef and pass, offshore from Noumea, New Caledonia.  Devlpmnt of Atoll Reef 

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