Imagine that a blob of mafic magma and blob of felsic magma meet within the crust. What is the likely outcome?
A. Most of the mafic magma would solidify into bits of basalt and gabbro with the felsic magma.
B. The result will be a new blob of magma and resulting igneous rock with a composition exactly intermediate between the two originals.
C. The two original blobs will not mix and will maintain their own distinct characteristics.
Answer: A
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