Multiple Choice
What is the magma source for mid-ocean ridge basalt?
A) decompression melting in the shallowest part of the asthenosphere beneath the ridge
B) by spontaneous melting in mafic magma chambers within oceanic crust
C) along block faults by frictional heating deep in the oceanic lithosphere
D) It all comes from Hawaii then flows out laterally along the ridge system.
Correct Answer:
Verified
Correct Answer:
Verified
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