What is the name of an igneous rock that has a mixed texture in which large crystals appear to float in a predominantly finer-grained matrix?

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Quizplus · Accepted Answer

This is the definition of a porphyritic texture, which is often found in porphyry igneous rocks. Pumice is a volcanic rock with a very porous and bubbly texture, while vesicular refers to any igneous rock with visible voids or spaces.

What Is the Name of an Igneous Rock That Has