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The Floridan aquifer system, composed of the Upper and Lower Floridan aquifers, is a sequence of Paleogene carbonate rock which spans an area of about 100,000 square miles (260,000 km 2) in the southeastern United States. It underlies the entire state of Florida and parts of Alabama, Georgia, Mississippi, and South Carolina. [1]
Devil's Millhopper is unique in Florida in terms of its scale; over 100 feet (30 m) of rock layers are exposed. [2] The cutaway, limestone sides of the sinkhole provide an easily visible geological record of the area. Twelve springs, some more visible than others, feed the pond at the bottom of the sinkhole. In the summer, the bottom of the ...
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Deep Lake is a natural sinkhole in Big Cypress National Preserve in Florida. This 90-foot-deep naturally occurring sinkhole lake is the deepest lake south of Lake Okeechobee, and one of the deepest in the entire state. It is the namesake of the community built around it, Deep Lake, Florida.
The map above shows areas of the U.S. with bedrock types that are prone to sinkholes. It's not just Florida that needs to worry about them. Think sinkholes like the one that opened up under a ...
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] Most of this is in Bone Valley in central and west-central Florida. [2] Extended systems of underwater caves, sinkholes and springs are found throughout the state and supply most of the water used ...
The map above shows areas of the U.S. with bedrock types that are prone to sinkholes. It's not just Florida that needs to worry about them. Think sinkholes like the one that opened up under a ...
Devil's Millhopper Geological State Park – located in Gainesville, Florida; Devil's Sinkhole State Natural Area – a natural bat habitat near Rocksprings in Edwards County, Texas; Grassy Cove – an enclosed valley in Cumberland County, Tennessee notable for its karst formations; Green Banana Hole – a blue hole located 80 km (50 mi) off ...