Test Bank For Physical Geology 14th Edition By Plummer

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Test Bank For Physical Geology 14th Edition By Plummer

Chapter 07

Metamorphism, Metamorphic Rocks, and Hydrothermal Rocks

 

True / False Questions

1. Metamorphic rock forms from pre-existing rock when heat and pressure cause solid-state transformations.
   TRUE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

2. Metamorphism includes melting.
   FALSE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

3. The original rocks must have been brittle in order for them to bend and mold under stress.
   FALSE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

4. A migmatite forms when a rock partially melts.
   TRUE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

 

5. Confining pressure is pressure applied equally on all surfaces of a substance as a result of burial or submergence.
   TRUE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

6. Any new mineral that has crystallized under high-pressure conditions tends to occupy less space than did the mineral or minerals from which it formed.
   TRUE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

7. Differential stress forces constituents of the rock to become parallel to one another.
   TRUE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

8. Minerals that crystallize in needle-like shapes (for example hornblende) grow with their long axis parallel to the plane of foliation.
   TRUE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

9. Contact metamorphism occurs adjacent to a pluton when a body of magma intrudes relatively cool country rock.
   TRUE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

 

10. If limestone is metamorphosed at relatively low temperatures and pressures it recrystallizes into marble.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

11. Metamorphic rocks owe their texture mostly to temperature.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

12. Shearing causes parts of a body to move or slide relative to one another across a plane.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

13. A metamorphic rock is similar both in mineralogy and texture to its parent rock.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

14. Andalusite, kyanite, and sillimanite are among the best known index minerals that provide information about the temperature and pressure of metamorphism.
    TRUE

 

Bloom’s Level: 3. Apply
Topic: Metamorphism

 

15. Schist forms at higher temperatures and pressure than slate.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

16. Schist is a metamorphic rock characterized by a nonfoliated texture.
    FALSE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

17. Gneissic texture has the minerals separated into distinct (light and dark) layers, or lenses.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

18. Hydrothermal processes are not important along submarine mid-ocean ridges because of the cooling effect of seawater.
    FALSE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism

19. Meteor craters show an unusual type of metamorphism called shock metamorphism.
    TRUE

 

Bloom’s Level: 1. Remember
Topic: Metamorphism

 

20. Hot water (or vapor) is the most important fluid involved in metamorphic processes.
    TRUE

 

Bloom’s Level: 2. Understand
Topic: Metamorphism