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The Miami Limestone, originally called Miami Oolite, is a geologic formation of limestone in southeastern Florida. Miami Limestone forms the Atlantic Coastal Ridge in southeastern Florida, near the coast in Palm Beach, Broward and Miami Dade counties. It also lies under the eastern (Miami-Dade County) part of the Everglades, Florida Bay, and ...
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. It was sold to Lennar Corp. for 13.5 ...
The Miami Rock Ridge is an oolitic, continuous outcrop of limestone, part of the Miami Formation, which formerly encompassed a large extent of southernmost South Florida; as part of an ecosystem it formed portions of the Everglades.
The position of the Miami Rock Ridge largely corresponds with that of Pliocene reef tracts which extended from Palm Beach County to southern Miami-Dade County. [12] The oölitic (upper) facies of the Miami limestone caps the Miami Rock Ridge. It is up to 35 feet (11 m) thick along the ridge summit, but extends only part-way under the Everglades.
The pine rocklands in Miami-Dade County and Everglades National Park are found on limestone substrates along the Miami Rock Ridge, an exposed oolitic limestone matrix 2–7 meters above sea level that extends from northern Miami to the southern Everglades with disjunct sections in the Lower Keys. [4]
The Floridian peninsula is a porous plateau of karst limestone sitting atop bedrock known as the Florida Platform. The emergent portion of the platform was created during the Eocene to Oligocene as the Gulf Trough filled with silts, clays, and sands. Flora and fauna began appearing during the Miocene. No land animals were present in Florida ...
The Miami Limestone has two facies. The Miami Oolite facies, which underlies the Atlantic Coastal Ridge from southern Palm Beach County to southern Miami-Dade County, is made up of ooids : tiny formations of egg-shaped concentric shells and calcium carbonate, formed around a single grain of sand or shell fragment.
The Miami limestone was deposited in turbulent lagoon waters. The Key Largo Limestone is a fossilized coral reef formed during the Sangamonian Stage of about 75,000 to 125,000 years ago. The Miami Formation achieved its present form somewhat later, during a glacial period in which fresh water consolidated and cemented the lagoon deposits. [8]