Minerals such as mica, quartz, and feldspar ____.
A) can occur only as igneous rocks
B) can occur only as metamorphic rocks
C) can occur as both igneous and metamorphic rocks
D) are useful index minerals for metamorphic rocks that formed from clay-rich rocks
E) all have the same chemical formula
Correct Answer:
Verified
Q1: Because large intrusions, such as batholiths, have
Q3: Metamorphic rocks _.
A)always have igneous parent rock
B)always
Q4: Contact metamorphism along sills and dikes may
Q5: Metamorphic rocks are very common in the
Q6: Migmatites can form in the deeper portions
Q7: Differential pressure _.
A)produces similar features to lithostatic
Q8: Gneiss is a high-grade metamorphic rock that
Q9: Various colors of slate result from differing
Q10: During metamorphism, the original rock undergoes changes
Q11: The two most familiar and widely used
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