Amelia Island stuck to North America after Pangea split 180 million years ago. Submitted photo
Amelia Island was in the middle of a Pangean mountain range 270 million years ago. Submitted photo
Looking south and including an elevation map, Hopf outlined the 130,000-year-old Ice Age dune and the “edgy” 18,000-year-old dune that collided to form Egans Creek. Submitted photo
Over the last 500 million years, Amelia Island was once in Africa, was in the middle of a mountain range, then coastal, then underwater, then inland and now coastal again. The sand on our beaches i...
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