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Tag Archives: Gondwana

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Reconstructing the Past & Causes of Plate Movement

ScienceBy William Anderson (Schoolworkhelper Editorial Team)September 24, 2010Leave a comment

Causes of Plate Movement -Remember that the lithosphere (crust + upper mantle) is solid and is floating on the asthenosphere (melted rock in the mantle below the lithosphere). 1.  Heat from the Earth’s core is transferred throughout the mantle. 2.  Magma that is hotter and less dense rises upward at a mid-ocean ridge. 3.  Once…

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