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SlideshowReport

Convergent Boundary

Description
Plate Tectonics and Igneous Activity

Plate motions provide the mechanism by which mantle rocks melt to form magma
Convergent plate boundaries
Descending plate partially melts
Magma slowly rises upward
Rising magma can form
Volcanic island arcs in an ocean (Aleutian Islands)
Continental volcanic arcs (Andes Mountains)
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