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The emergent landmass of Florida was Orange Island, a low-relief island sitting atop the carbonate Florida Platform which emerged about 34 to 28 million years ago. [7] When glaciation locked up the world's water, starting 2.58 million years ago, the sea level dropped precipitously. It was approximately 100 meters (330 ft) lower than present levels.
In sharp contrast, the period between 14,300 and 11,100 years ago, which includes the Younger Dryas interval, was an interval of reduced sea level rise at about 6.0–9.9 mm/yr. Meltwater pulse 1C was centered at 8,000 years ago and produced a rise of 6.5 m in less than 140 years, such that sea levels 5000 years ago were around 3m lower than ...
The structure of the Florida platform, the foundation of which came from the African Plate over 200 million years ago. The Floridian peninsula is a porous plateau of karst limestone sitting atop bedrock known as the Florida Platform.
Windover is one of a number of Archaic period sites in Florida with underwater burials in peat. Similar burials occurred at Little Salt Spring (in Sarasota County) 5,200 to 6,800 years ago, Bay West (in Collier County) 5,940 to 6,840 years ago, and Republic Grove (in Hardee County) 5,690 to 6,470 years ago.
During the Paleogene, what would become Florida was the submerged Florida Platform, a feature not unlike the Bahama Banks composed of carbonate sediments containing foraminifera, corals, bryozoa, and mollusks. Due to the current running through the Gulf Trough, materials needed for sedimentation were instead carried away toward the northeast.
“They are the only group of birds that achieved the role of terrestrial apex predators, evolving species that basically conquered South America during the Miocene (about 23.03 million to 5.33 ...
The leg bone was found by Cesar Augusto Perdomo, who curates the Museo La Tormenta in Huila, Colombia, nearly 20 years ago, and wasn't identified until last year and further analyzed earlier in 2024.
The mighty baobab has grown across mainland Africa, Madagascar and Australia for millions of years. But until now, scientists disputed where they came from. Finally, an answer to a mystery ...