Ocean Island Comparison
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Title
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Ocean Island Comparison
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Description
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Based on the geochemical data of both ocean settings, it is apparent that both are very similar in compositions. It is somewhat difficult to compare due to the small sample size of the Selvagen Island data.
Both have very little alkaline content. This is due to the source of the magma.
The REE diagrams are almost identical. This supports the interpretation that the source is the same.
The incompatible levels are very similar, and they are higher than MORBs and CM. This indicates that ocean island magmas are not evolved and are considered fertile sourced.
The landforms are also very similar. Both have almost exclusively shield volcanoes and various lava flows
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Creator
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Robert Ashton, Devon Leach
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Date
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May 7, 2015
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Mediator
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Tamara Carley