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?
a. vesicular
b. pyroclastic
c. porphyry
d. pumice
Answer: C
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?
a. vesicular
b. pyroclastic
c. porphyry
d. pumice
Answer: C