CHAGOS, a group of atolls in the Indian Ocean, belonging to Britain, disposed in circular form round the Chagos bank, in 4° 44' t o 7° 39' S., and 70 55' to 72° 52' E.
It comprises a large number of low coralline islands and atolls, which are disposed in nine clusters extending over a distance of about 400 m.
It consists of seventeen atolls with an immense number of islands, of which some three hundred are inhabited.
In the extreme south are the isolated atolls of Addu and Fua-Mulaku, separated from Suvadiva by the Equatorial Channel, which is itself separated from the main chain of atolls by One-and-ahalf-degree Channel.'
Following the chain northward from this channel we have Haddumati and Kolumadulu, after which the chain becomes double: to the east the chief atolls are Mulaku, Felidu, South Male, North Male, Kardiva (where the channel of the same name, 35 m.
How would you define atolls? Add your definition here.