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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.
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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,
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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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http://www.oceanservice.noaa.gov/education/kits/corals/media/supp_coral04a.html
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Knowledge (XXG):Featured picture candidates/Animation of an Atoll
Formation
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Click on a date/time to view the file as it appeared at that time.
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because it contains materials that originally came from the U.S.
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Knowledge (XXG):Featured picture candidates/March-2008
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Liste des monts sous-marins de l'océan
Pacifique
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Commons is a freely licensed media file repository.
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work of the federal government of the United States
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219:date QS:P,+2004-00-00T00:00:00Z/9,P1480,Q5727902
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51:(320 × 237 pixels, file size: 38 KB, MIME type:
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136:on the Croatian language Knowledge (XXG) (
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156:suitable copyright license
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1242:Draft:Reef geomorphology
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79:description page there
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290:This image is in the
1232:Κοραλλιογενής ύφαλος
768:determination method
679:determination method
1277:Arrecife periférico
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1436:more global usage
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1262:Arrecife de coral
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1212:Motu (Insel)
1207:Korallenriff
1087:شعاب مرجانية
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1014:Coral island
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941:File history
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138:Slika tjedna
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87:You can help
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22:File history
997:coral atoll
518:slovenščina
205:coral atoll
191:Description
168:nominate it
150:nominate it
1382:אי אלמוגים
1019:Coral reef
1005:File usage
982:320 × 237
958:Dimensions
707:media type
536:Tiếng Việt
464:Nederlands
437:македонски
247:Permission
217:circa 2004
27:File usage
1282:Isla baja
990:Normann Z
955:Thumbnail
952:Date/Time
796:data size
722:image/gif
509:sicilianu
482:português
200:English:
53:image/gif
1322:Maldives
1082:شعب حلقي
833:duration
741:checksum
594:Captions
410:italiano
392:hrvatski
383:français
166:it, and
984:(38 KB)
969:current
964:Comment
811:38,733
618:depicts
598:English
500:русский
356:español
347:English
329:Deutsch
320:čeština
311:العربية
49:
1097:Atolón
870:height
850:second
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527:Türkçe
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446:മലയാളം
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338:Zazaki
332:
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237:Author
227:Source
160:upload
1434:View
1427:Atoll
1377:שונית
1327:Atoll
1292:Atoll
1252:Atolo
1227:Ατόλη
1202:Atoll
1157:Atoll
1127:Atoll
1117:Atoll
1072:Atoll
924:pixel
907:width
887:pixel
775:SHA-1
374:suomi
365:eesti
272:false
269:false
1392:Atol
1372:אטול
1362:Atol
1352:Atol
1312:Atol
1187:Útes
1182:Atol
1167:Atol
1147:Атол
1137:Атол
1062:Atol
961:User
922:320
885:237
813:byte
554:繁體中文
545:简体中文
240:NOAA
214:Date
162:it,
142:here
17:File
563:+/−
428:한국어
419:日本語
164:tag
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250:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.