"Diagram suggesting the development of a barrier reef and an atoll, successively, from a fringing reef, by sinking. 1, Fringing reef, formed in shallow water; 2, barrier reef, developed from fringing reef after subsidence; 3, the atoll which succeeds the barrier reef." -Salisbury, 1919

Barrier Reef Development

"Diagram suggesting the development of a barrier reef and an atoll, successively, from a fringing reef,…

A barrier reef is a coral reef that is far from land.

Barrier Reef

A barrier reef is a coral reef that is far from land.

A fringing reef is a coral reef that is close to land.

Fringing Reef

A fringing reef is a coral reef that is close to land.