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Textbook Vocabulary terms

Textbook Vocabulary terms - Textbook Vocabulary terms In...

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Textbook Vocabulary terms In situ: “in the place” in its original position Chapter 2 Oceanic islands: formed over oceanic plates and have never been connected to continental landmasses Continental fragments: by their location would pass for oceanic islands but in terms of their origin are actually ancient fragments of continental rock stranded out in the oceans by plate tectonic processes Continental shelf islands: located on the continental shelf; have been connected to mainland (land-bridge) Islands in freshwater bodies in lakes and large rivers can be comparable to islands in the sea moreso than habitat islands, so considered “true” islands Sunken continental shelf: continental plate found at lower than 200m below sea level Tectonic-control model: instead of lying along a single lineation, the islands lie along shorter lines of crustal weakness, which are sub-parallel to each other Volcanic eruptions
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