What mineral defines the foliation in this rock? Notice that the rock consists mostly of fine-grained muscovite but also contains scattered garnet crystals. What is the name for this kind of texture?

Lab 7 Metamorphic Rocks, Processes, and Resources

CDC Analyze the foliated metamorphic rock sample in Fig. A7.3.3.

Figure A7.3.3
Eflel Analyze the metamorphic rock sample in Fig. A7.3.4.

Figure A7.3.4
1. What mineral defines the foliation in this rock?
2. Notice that the rock consists mostly of fine-grained muscovite but also contains scattered garnet crystals. What is the name for this kind of texture?
3. What is the name of this metamorphic rock?

4. What type(s) of rock might have been the protolith for this rock?
1. Is this rock foliated or nonfoliated (g,ranofelsic)? What features in the photograph did you use to make your interpretation?
2. What is the name of this metamorphic rock?
3. What type(s) of rock might have been the protolith for this rock?
re REFLECT & DISCUSS Which one of the rocks in this activity do you think has the highest metamorphic grade? Explain your answer.