Trenching into the outer banks barrier bars, you find that the sand is cross-bedded. this tells you that the outer banks are

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Social Studies

Quinten Rhodes

20 December, 05:13

Trenching into the outer banks barrier bars, you find that the sand is cross-bedded. this tells you that the outer banks are

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Lucy Berg · Answer 1

Crossed bedded sand lets us know that the Outer Banks contained a flowing medium, like water or wind, and has been exposed to repeated avalanches. It can also tell us that the Outer Banks has been around for quite a long time, and the history can be gathered by learning the direction of the dipping.