Melting in the mantle wedge above a subducting slab is primarily caused by

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      dry rock
      volatiles
      an increase in pressure
      the geothermal gradient
      all of the above
asked Mar 12, 2013 in Earth Science by anonymous
    

1 Answer

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volatiles
answered Mar 15, 2013 by h20 ~Top Expert~ (6,320 points)

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