Pseudo-atoll Pseudo-atoll A pseudo-atoll, like an atoll, is an island that encircles a lagoon, either partially or completely. A pseudo-atoll differs from an atoll as established by several authorities, such as how it is formed (not by subsidence, nor by coral). It is considered a preferable term to "near-atoll". There is a need for rigorous definition of "pseudo-atoll" before it can be accepted as a general term. Alexander Agassiz gave the term pseudo-atoll to "any ring-shaped reefs not formed as a result of subsidence". while Norman D. Newell and J. Keith Rigby called such reefs non-coral. and "We conclude that almost-atoll
Ari Atoll Ari Atoll Ari Atoll (also called Alif or Alifu Atoll) is one of the natural atolls of the Maldives. It is one of the biggest atolls and is located in the west of the archipelago. The almost rectangular alignment spreads the islands over an area of about . It has been divided in two sections for administrative purposes, Northern Ari Atoll and Southern Ari Atoll consisting of 105 islands. Ari Atoll is part of the zone designated for tourist development in the Maldives. It is roughly a 30-minute seaplane flight away from the Capital Malé. There are more than 20