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    Geology/Geography/Oceanography/Atmospheric Sciences
  3. Study Set
    Earth Science Study Set 2
  4. Exam
    Exam 6: Volcanoes and Other Igneous Activity
  5. Question
    The Main Mechanism for Melting at Spreading Ridges Is_______
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The Main Mechanism for Melting at Spreading Ridges Is_______

Question 34

Question 34

Multiple Choice

The main mechanism for melting at spreading ridges is_______ .


A) surficial melting of sedimentary rock
B) subduction produced andesitic magmas
C) decompression melting of ultramafic mantle rock
D) large scale melting of rhyolitic core rock

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