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Question: ________ magma is the most abundant type of erupted at oceanic spreading centers.

Options:

  1.  Basaltic
  2.  Granitic
  3.  Andesitic
  4.  Pegmatitic

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1. Basaltic

Basaltic magma is the most abundant type of erupted at oceanic spreading centers.

Basaltic lava, is molten rock enriched in iron and magnesium and depleted in silica. It form the oceanic crust of Earth are generated in the asthenosphere.

Watch YouTube about Basaltic magma.

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