Geology Reference
In-Depth Information
Reef
talus
Reef core
Back reef deposits
4.
This oval reef with a central lagoon in the Pacific
Ocean is an atoll. How does it differ from the reef
shown at the bottom of the previous page?
5.
An ancient reef in Australia. You can see the reef
talus on the left side of the image sloping away from
the reef core, which has no layering. To the right of
the reef core are back-reef deposits, which show
horizontal bedding.
6.
Block diagram showing
the various environments
in a reef complex
Reef flat
Back reef
Reef core
Open sea
Lagoon
Land
Talus
Fore-reef
slope
Reef barrier
Lagoon
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