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Old 08-01-2018, 08:53 PM   #2367 (permalink)
freebeard
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https://en.wikipedia.org/wiki/Continental_shelf

Quote:
The continental shelf is an underwater landmass which extends from a continent, resulting in an area of relatively shallow water known as a shelf sea. Much of the shelves were exposed during glacial periods and interglacial periods.

The shelf surrounding an island is known as an insular shelf

Global continental shelf highlighted in cyan.
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