INDIAN GEOGRAPHY

Detailed explanation-1: -An atoll is a ring-shaped coral reef, island, or series of islets. An atoll surrounds a body of water called a lagoon. Sometimes, atolls and lagoons protect a central island. Channels between islets connect a lagoon to the open ocean or sea. Atolls develop with underwater volcanoes, called seamounts.

Detailed explanation-2: -Atolls are usually circular or oval in shape, with an open lagoon in the center. Barrier reefs are similar to fringing reefs in that they also border a shoreline; however, instead of growing directly out from the shore, they are separated from land by an expanse of water.

Detailed explanation-3: -Atoll which is also called as coral atoll is a ring shaped reef including rim which is present around a lagoon. These can be either circular or horse shoe shaped. Most of the world’s atolls are located in Pacific Ocean.

Detailed explanation-4: -In India, the Lakshadweep islands are known to have coral reefs. The coral reefs of Lakshadweep are located, off the shore from the state of Kerala in the South. These corals are known to be horseshoe-shaped, also called atolls which means circular in nature.