virtual-geology.info

home virtual field trips regional geology images e-learning links

 


Reef Evolution on Ocean Islands


sinking island - 23 kb

 

Darwin's model for reef development around ocean islands, starting as a fringing reef, which becomes a barrier reef, then an atoll, as the lithosphere cools and sinks.

How atolls grow (NASA Earth Observstory)


previous button Back to Reefs and Build-ups Lecture

This page is maintained by Roger Suthren. Last updated 16 March, 2021 3:06 PM