About half a million years ago, several horses, sloths and armadillos fell into a sinkhole in Florida's Big Bend region and ...

Our study was one of the first to date Florida ... fossil sediments for important times in geologic history. These sites can help us understand changing climates, vegetation and sea levels over ...

Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique ... Strontium is also released by deep-sea vents. Geochemist Donald DePaolo and geologist ...