What Generally Happens When Subduction-Derived Magma Encounters Thick Continental Crust

question 138

Multiple Choice

What generally happens when subduction-derived magma encounters thick continental crust?

• A) most magma reaches the surface with minor modification
• B) the magma solidifies in sheeted dikes with a composition of basalt
• C) the magma interacts with the crust, forming felsic or intermediate compositions
• D) the oceanic crust melts

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