| Oolite |
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An oolite is a sedimentary rock formed from Ooids , spherical grains composed of concentric layers. The name derives from the Greek word ''oon'' meaning Egg . Ooids can be composed of Chert , Dolomite , and Hematite . Dolomitic and chert ooids are most likely result of the replacement of the original texture in limestone. Oolitic hematite occurs at Red Mountain near Birmingham, Alabama along with oolitic limestone. Some example ''Oolitic Limestone '', a common term for an oolite, was formed in the United Kingdom during the Jurassic period, and forms the Cotswold Hills and part of the North Yorkshire Moors. A particular type, Bath Stone , gives the buildings of the World Heritage City of Bath , England its distinctive appearance. This type of limestone is also found in Indiana , USA . The town of Oolitic, Indiana was founded for the trade of limestone and bears its name. Quarries in Bedford, Oolitic and Bloomington Indiana contributed the materials for such iconic United States landmarks as the Empire State Building and the Pentagon . The Soldiers and Sailors Monument in downtown Indianapolis is built almost solely of grey oolitic limestone. The famous movie Breaking Away centers around the sons of quarry workers in Bloomington Indiana, the home of Indiana Univeristy. Almost all of Indiana University is built with native oolitic limestone material. SEE ALSO
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