NOVA Online (click here for NOVA home)
Garden of Eden
Build an Atoll
Page 1 | Next page

Build an Atoll (1)

The building of an atoll begins with a volcanic island that has reared up from the depths of the ocean.

A typical volcanic island takes several million years to form. When its magma source becomes dormant or is no longer beneath the island, it stops growing.

Next page

Seychelles Through Time | Saving the Magpie Robin
Why Do Islands Breed Giants? | Build an Island
Resources | Transcript | Site Map | Garden of Eden Home

Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule
About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print
PBS Online | NOVA Online | WGBH

© | Updated November 2000
/wgbh/nova/eden/textindex.html /wgbh/nova/eden/ /wgbh/nova/eden/