Earth Science Asked by Finnegan Manthe on April 6, 2021
I can’t think of a possible explanation, there’s no volcanic activity in the area, and it gets destroyed every time a hurricane passes through. How did it get there?
The outer banks are, literally, a textbook example of what are known as Barrier Islands. They are thought to be formed through interactions between sediment undergoing longshore drift, coastal currents and seabed irregularities, but to spite a number of theories being put forward since the 19th Century we really don't understand their formation.
We do know that their ongoing behaviour makes them analogous to underwater sand dune systems in that:
Answered by Ash on April 6, 2021
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