Attēls:Coral atoll formation animation.gif

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Coral_atoll_formation_animation.gif(320 × 237 pikseļi, faila izmērs: 38 KB, MIME tips: image/gif, looped, 15 kadri, 12 s)

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Apraksts
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.
Datums circa 2004. gada
date QS:P,+2004-00-00T00:00:00Z/9,P1480,Q5727902
[1]
Avots http://www.oceanservice.noaa.gov/education/kits/corals/media/supp_coral04a.html
Autors NOAA[2]
Atļauja:
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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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tagadējais2006. gada 29. janvāris, plkst. 00.322006. gada 29. janvāris, plkst. 00.32 versijas sīktēls320 × 237 (38 KB)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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