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The Florida peninsula is located on the eastern side of the platform, where in places it lies only 3 to 4 miles (4.8 to 6.4 km) from the platform's edge. On the gulf side the platform ends over 100 miles (160 km) to the west of the modern shoreline, where a massive cliff rises over 6,000 feet (1,800 m) from the 10,600 feet (3,200 m) depth of ...
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 prior to the Miocene. The largest deposits of rock phosphate in the United States are found in Florida. [1]
The Florida 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 prior ...
Much more land was above the water along the coast, which was extended much farther to the west. Most of Florida is a thick limestone platform, with typical Karst topography. As limestone is porous, salt water penetrates the lower part of the Florida platform, and fresh water floats on top of the salt water.
The Florida peninsula is a porous plateau of karst limestone sitting atop bedrock, known as the Florida Platform. The largest deposits of potash in the United States are found in Florida. [133] The largest deposits of rock phosphate in the country are found in Florida. [133] Most of this is in Bone Valley. [134]
Sugarloaf Mountain's summit is the most prominent peak in the state, though it is about 10 percent lower than Florida's highest point, Britton Hill, which rises to 345 feet (105 m) above sea level in the Florida Panhandle. [4] Sugarloaf is more prominent than the most prominent hills in Louisiana or Delaware, two other low-lying states. [4]
Edward J. Petuch states that Orange Island was a dominant geomorphological feature of the Bainbridge Subsea on the Florida Platform [1] According to J. R. Bryan and the United States Geological Survey, a lack of deposition with reference to the eastern side of the Ocala Platform indicates this area as Orange Island. [2]
The Atlantic Coastal Ridge is a geomorphological feature paralleling the Atlantic coast of Florida from the border with Georgia to Miami-Dade County, where it transitions into the Miami Rock Ridge. For most of its length it consists of one or more relict beach ridges created when the sea level was about 30 feet (9.1 m) higher than at present.