File:Atoll forming-i18.png

Summary

Description

Internationalization of the diagram:Atoll forming.
1=Volcanic Island
2=Fringing reef
3=Barrier reeef

Caption: Coral atolls develop from reefs fringing volcanic islands. As first hypothesized by Charles Darwin, and confirmed by ocean drilling done by British scientists a century ago, reefs fringing volcanic islands build vertically to sea level, forming steepwalled barrier reefs. As a volcanic island subsides, or sinks, with time, the growing reef keeps pace with the rising water level. When the island eventually submerges, the ring-shaped reef forms an atoll with a central lagoon.
Source http://commons.wikimedia.org/wiki/Image:Atoll_forming.jpg
Author Susan Mayfield and Sara Boore, modified by Eurico Zimbres
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(Reusing this file)		 Free for all use
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Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Category:PD USGS#Atoll%20forming-i18.png
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Category:Diagram images that should use vector graphics#%20Atoll%20forming-i18.pngCategory:PNG that should use vector graphics Category:Atolls Category:Block diagrams of landforms Category:Coast cross sections Category:Coral reef diagrams Category:Volcanological diagrams Category:Language-neutral geological diagrams Category:Diagrams labelled with numbers only Category:Atolls of Papua New Guinea Category:Atoll diagrams Category:Atoll formation
Category:Atoll diagrams Category:Atoll formation Category:Atolls Category:Atolls of Papua New Guinea Category:Block diagrams of landforms Category:Coast cross sections Category:Coral reef diagrams Category:Diagram images that should use vector graphics Category:Diagrams labelled with numbers only Category:Files with derivative versions Category:Language-neutral geological diagrams Category:PD USGS Category:PNG that should use vector graphics Category:Volcanological diagrams