[DOC] [TLE] The Foundations of Atolls: A Discussion - JStor [PAR] elevated atolls are not usually to be so considered. Under proper conditions the 
.... Nothing could be farther from the truth. Many elevated coral reefs ... island 
consists in part of "lagoon limestones" lying unconformably upon the previously... [DOC] [TLE] Atolls of the Maldives - Wikipedia [PAR] The Maldives are formed by a number of natural atolls plus atolls in the form of a 
few islands .... Its western fringe is composed of a series of round or oval reefs (
farus) ..... Banhos Atoll) is about 520 km, with nothing but deep ocean in between 
them. ... The atolls are usually named after islands that belong to the atoll and... [DOC] [TLE] Coral reef - Wikipedia [PAR] Coral reefs are diverse underwater ecosystems held together by calcium 
carbonate structures secreted by corals. Coral reefs are built by colonies of tiny 
animals found in marine waters that contain few nutrients. Most coral reefs are 
built from stony corals, which in turn consist of polyps .... Barrier reefs and atolls 
do not usually form complete circles, but are broken... [DOC] [TLE] The Structure and Distribution of Coral Reefs - Wikipedia [PAR] The Structure and Distribution of Coral Reefs, Being the first part of the geology of 
the voyage of ... When the Beagle set out in 1831, the formation of coral atolls 
was a scientific puzzle. ... While the Beagle surveyed the coasts of South America 
from February 1832 to September 1835, Darwin made several trips inland and... [DOC] [TLE] Tiempo Climate Cyberlibrary, Tiempo - Issue 42, An atoll state in peril [PAR] The five world states composed solely of atolls, though, are most at risk. ... 
provision of expensive engineering works will not be a commonly available 
option. ... apparent that the greenhouse effect offers nothing positive to tropical 
island states. [DOC] [TLE] Origin of atoll lagoons - GeoScienceWorld [PAR] All statistical analyses were made with StatSoft's Statistica Mac 4.1 software ... 
depth is generally that recorded by three or more atoll lagoon soundings on ..... 
lagoon depths during subaerial exposure, but have little or nothing to do with the
... [DOC] [TLE] island - National Geographic Society [PAR] Aug 27, 2012 ... Desert islands have nothing to do with desertsthey're just deserted. .... An atoll is 
a coral reef that begins by growing in a ring around the ... The island nation of 
Seychelles is made of both continental granite islands and coral islands. ... 
Floating islands are usually torn from coasts and swept away during... [DOC] [TLE] Massive Modern ReefsFinding Time to Grow | Answers in Genesis [PAR] Jan 1, 2013 ... But this is nothing compared to one of the world's thickest reefsthe ... They 
point to modern corals, which usually require well-lit, warm shallow .... Everyone 
assumed that Eniwetok Atoll was built from the bottom up out of... [DOC] [TLE] I Left My Heart on Rangiroa Atoll  A Chart of Days [PAR] Jul 14, 2016 ... You're totally forgiven if you either just googled atoll or thought to ... Turns out, 
an atoll is a very specific lump sticking up in the ocean  one made of coral, and 
typically formed in a ... We made our way through Teavaroa pass into Takaroa 
atoll and .... Nothing else, no marketing, no spam, I promise. Join 44... [DOC] [TLE] And & Pakin Atolls | Pohnpei Eco-Adventure Guide [PAR] An atoll is made up of a number of coralline islets in a ring around a relatively ... 
the reef, can reach 50 meters (164 feet)  certainly nothing to complain about. ... 
the outer wall of the barrier reef on the northwest side near Olouna (often known
... [DOC] [TLE] Obama warns against global warming's impact on Pacific atoll - Yahoo [PAR] Sep 1, 2016 ... MIDWAY ATOLL, Northwestern Hawaiian Islands (AP)  President Barack ... 
Squinting in the sunlight, Obama described Midway Atoll as ..... it was people's 
reactions to the 4Runner TRD Pro that truly made me raise an eyebrow. .... Most 
girls under the age of 5 don't typically spend their Halloweens... [DOC] [TLE] Southern Fly Expeditions  Fly Fishing Alphonse Atoll, Seychelles

Question: Normally, an atoll is made of this or nothing atoll
Answer: Coral