4. Which of the following rock sanple contains fine texture?
A. gneiss
B. hornfels
c. quartzite
D. peataconglomerate
5. What rock is the result of the metamorphism of sandstones?
A. slate
B. schist
C. marble
D. phyllite
6. What are the main factors for contact metamorphisme to occur?
A air and water
B. heat and reactive fluid
C. temperature and water
D. pressure and temperature
7. How do you describe the grain size texture of Hornfels?
A It has one texture
B. It has coarse texture
C. It has coarse to fine texture
D. It has medium coarse texture
8. Which of the following rock samples is less influenced by the best?
A. phyllite
B. gneiss
C. Schist
D. slate
9. Which of the following is NOT true about metamorphism?
A. Slate and gneiss are exaraples of foliated rock.
B. Contact metamorphism creates non-fobated rocks.
C. Pressure is the main factor of contact metamorphism.
D. Magma will bake the surrounding rocks due to different in
temperature​