_____ rocks have coarse crystals in a fine-grained matrix.
A) Ultramafic
B) Granite
C) Sill
D) Pegmatite
E) Porphyritic
Correct Answer:
Verified
Q31: The most common minerals in a granite
Q32: Igneous rocks that are silica-rich with high
Q33: _, a coarse-grained rock composed of pyroxene
Q34: A _ is an intrusive structure that
Q35: _ are igneous rocks that are silica-deficient
Q37: Igneous rocks may be either _ if
Q38: _ are fragments of country rock that
Q39: _ is a coarse-grained igneous rock (grains
Q40: _ are extremely coarse-grained with crystal up
Q41: Mafic magma generated in the _ rises
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