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How are islands formed?

Islands are formed when new land is created. This can happen in several ways, one being when 2 plates move apart allowing magma, a molten material under the earth's crust, to rise up and solidify. Over time this magma grows in height forming an island such as Hawaii. Essentially islands are formed through volcanic action under the sea floor.Islands can also be formed when plates move against each other. in this event, the plates push against each other forcing new material up to form an island . Another way that islands can be formed, which is not via plate tectonics is the deposition of material such as sand. islands can also be man made and examples include the Palm Jumeirah  in UAE.

Answered by Clara Augustine J. Geography tutor

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Answered by Clara Augustine J.
Geography tutor

114 Views

See similar Geography GCSE tutors