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Because Florida is not located near any tectonic plate boundaries, earthquakes are very rare, but not totally unknown. In January 1879, a shock occurred near St. Augustine. There were reports of heavy shaking that knocked plaster from walls and articles from shelves. Similar effects were noted at Daytona Beach 50 miles (80 km
Anastasia Formation underlies the Atlantic Coastal Ridge along the coast from St. John's County southward to Palm Beach County and extends inland as far as 20 miles (32 kilometers) in St. Lucie and Martin County. Blowing Rocks Preserve in southern Martin County is an exposed outcropping along the beach.
Florida has a very rich fossil record spanning from the Eocene to recent times. Florida fossils are often very well preserved. [1] The oldest known fossils in Florida date back to the Eocene. At this time Florida was covered in a sea home to a variety of marine invertebrates and the primitive whales, such as Basilosaurus.
The Wicomico is defined by sediments located at 30.5 to 21 meters (100–70 feet) above current mean sea level. The Wicomico is well developed in northeastern and extreme northwestern Florida. At this time the county is mostly dry except for the southern coastline. The Cody Scarp is a shoreline of the Wicomico as well as the aforementioned ...
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.
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Miami Limestone (formerly Miami Oolite, orange on map) in relation to other formations in South Florida. 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 ...
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