Restr:Coral atoll formation animation.gif

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Coral_atoll_formation_animation.gif ‎(320 × 237 piksel, ment ar restr : 38 Kio, seurt MIME : image/gif, e kelc'h, 15 skeudenn, 12 s)

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Deskrivadur
English: This animation shows the dynamic process of how a coral atoll forms. Corals (represented in tan and purple) begin to settle and grow around an oceanic island forming a fringing reef. It can take as long as 10,000 years for a fringing reef to form. Over the next 100,000 years, if conditions are favorable, the reef will continue to expand. As the reef expands, the interior island usually begins to subside and the fringing reef turns into a barrier reef. When the island completely subsides beneath the water leaving a ring of growing coral with an open lagoon in its center, it is called an atoll. The process of atoll formation may take as long as 30,000,000 years to occur.
Deiziad circa 2004
date QS:P,+2004-00-00T00:00:00Z/9,P1480,Q5727902
[1]
Mammenn http://www.oceanservice.noaa.gov/education/kits/corals/media/supp_coral04a.html
Aozer NOAA[2]
Aotre
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Public domain
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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red28 Gen 2006 da 21:32Munud eus stumm an 28 Gen 2006 da 21:32320 × 237 (38 Kio)Normann ZThis animation shows the dynamic process of how a coral atoll forms. Corals (represented in tan and purple) begin to settle and grow around an oceanic island forming a fringing reef. It can take as long as 10,000 years for a fringing reef to form. Ove

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