Coral rag
Limestone composed of ancient coral reef material
Coral rag is a rubbly limestone composed of ancient coral reef material. The term also refers to the building blocks quarried from these strata, which are an important local building material in areas such as the coast of East Africa and the southeastern United States littoral (e.g. Florida, Bermuda).
It is also the name of a member—the Coral Rag Member—of the Upper Oxfordian Coralline Oolite Formation of North Yorkshire.[1] "Calne Freestone And Coral Rag" is a former name for the Stanford Formation, which stretches from Westbury in Wiltshire to Waddesdon in Buckinghamshire.[2]
Varieties
- Corallian Limestone
- Keystone (limestone)
See also
Wikimedia Commons has media related to Coral rag.
- Coral Rag Formation
- Coral sand
- List of types of limestone
Notes
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Corals and coral reefs
- List of reefs
- African coral reefs
- Amazon Reef
- Andros, Bahamas
- Belize Barrier Reef
- Coral Sea Islands
- Coral Triangle
- East African coral coast
- Florida Keys National Marine Sanctuary
- Great Barrier Reef
- India
- Jamaica
- Kiribati
- Lakshadweep
- Maldives
- Mesoamerican Barrier Reef System
- New Caledonia barrier reef
- Ningaloo Reef
- Non-tropical regions
- Northwestern Hawaiian Islands
- Pulley Ridge
- Raja Ampat Islands
- Red Sea
- Solomon Archipelago
- Southeast Asian coral reefs
- Tuvalu Archipelago
- Virgin Islands
- Yabiji
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