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BARRIER ISLANDS. DEFINE WHERE FOUND? a long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and storms.

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Presentation on theme: "BARRIER ISLANDS. DEFINE WHERE FOUND? a long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and storms."— Presentation transcript:

1 BARRIER ISLANDS

2 DEFINE WHERE FOUND?

3 a long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and storms.

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6 ZONES WITHIN A BARRIER ISLAND

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9 1.Name and describe three Theories Of barrier island formation. Provide evidence that supports each of these three theories. Give an example of where islands form from each process.

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11 Theory #1 – Upbuilding of a submerged sand bar

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13 Evidence – Location -

14 Theory #2: Mainland Beach Ridge Submergence

15 Evidence – Location -

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17 Evidence – Location -

18 Theory #3: Spit Growth and Later Segmentation by an Inlet

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20 Evidence – Location -

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