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The west wing of the Parliament of Barbados (1872) is constructed of local coral rag.. 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).
Coral Castle is an oolite limestone structure created by the Latvian-American eccentric Edward Leedskalnin (1887–1951). It comprises numerous large stones, each weighing several tons , sculpted into a variety of shapes, including slab walls, tables, chairs, a crescent moon, a water fountain and a sundial.
El Capitan, an ancient limestone reef in Texas. Limestone formations tend to show abrupt changes in thickness. Large moundlike features in a limestone formation are interpreted as ancient reefs, which when they appear in the geologic record are called bioherms. Many are rich in fossils, but most lack any connected organic framework like that ...
Carboniferous Limestone – Limestone deposited during the Dinantian Epoch of the Carboniferous Period; Coquina – Sedimentary rock that is composed mostly of fragments of shells; Coral rag – Limestone composed of ancient coral reef material; Chalk – Soft carbonate rock; Fossiliferous limestone – Limestone containing fossils
Coral limestone Haʻamonga ʻa Maui ("The Burden of Maui ") is a stone trilithon located in Tonga , on the eastern part of the island of Tongatapu , in the village of Niutōua , in Heketā. It was built in the 13th century by King Tuʻitātui in honor of his two sons. [ 1 ]
The Chazy Reef Formation is a mid-Ordovician limestone deposit in northeastern North America. It consists of some of the oldest reef systems built by a community of organisms [1] rather than the deposit of a limited range of similar organisms, such as Stromatolite mounds deposited by ancient cyanobacteria.
Soldiers' Home Reef was formed during the Silurian period of the Paleozoic Era, about 400 million years ago, when Wisconsin lay under a shallow tropical sea.Beneath that sea, ancient corals constructed the reef where trilobites, cephalopods, brachiopods, pelmatozoans, bivalves, and bryozoans lived and were eventually preserved as limestone.
Keystone is a type of limestone, or coral rag, quarried in the Florida Keys, in particular from Windley Key fossil quarry, which is now a State Park of Florida. The limestone is Pleistocene in age, and the rock primarily consists of scleractinian coral, such as Elkhorn coral and Brain coral. Example of fossil Brain coral (Diploria) at the ...