Question 1

Differential stress will cause crystals to align in a preferred orientation unless the crystals are ________.

Accepted Answer

A)  primarily mica
B)  platy
C)  equant
D)  elongateE) A) and D)
F) A) and B)

Question 2

A buried body of shale is subjected to differential stress,causing clay minerals to realign and produce slate.This is an example of ________.

Accepted Answer

A)  diagenesis
B)  erosion
C)  metamorphism
D)  weatheringE) All of the above
F) None of the above

Question 3

Foliated metamorphic rocks possess ________.

Accepted Answer

A)  leafy plant fossils (ancient foliage) 
B)  a homogeneous texture resulting from randomly oriented grains
C)  mineral grains in preferred orientations or patterns of association (banding) 
D)  minerals precipitated directly from seawaterE) A) and B)
F) B) and C)

Question 4

The application of ________ during metamorphism causes elongated crystals to align parallel with each other.When this happens,the rock develops ________.

Accepted Answer

A)  pressure;a homogeneous texture
B)  differential stress;foliation
C)  high temperatures;foliation
D)  pressure;foliationE) None of the above
F) A) and B)

Question 5

What is a primary difference between phyllite and schist?

Accepted Answer

A)  Schist contains mica,whereas phyllite contains only clay.
B)  Phyllite contains mica,whereas schist contains only clay.
C)  Mica crystals within schist are larger than those within phyllite.
D)  Mica crystals within phyllite are larger than those within schist.E) A) and B)
F) B) and D)

Question 6

Mylonites,formed from dynamic metamorphism,typically do NOT display ________.

Accepted Answer

A)  foliation roughly parallel to a fault
B)  very fine grains
C)  shear zones
D)  bands of randomly oriented mica grainsE) A) and C)
F) A) and B)

Question 7

Consult the figure below.Hot water reacting with the crust is the basis for what type of metamorphism?

Accepted Answer

A)  contact
B)  hydrothermal
C)  regional
D)  shockE) None of the above
F) A) and B)

Question 8

Which of the following statements is NOT true? Hornfels facies ________.

Accepted Answer

A)  are typically nonfoliated.
B)  form at high pressures but low temperatures
C)  often form as a result of contact metamorphism
D)  are often associated with igneous intrusionsE) B) and D)
F) None of the above

Question 9

Slaty cleavage,schistosity,and compositional banding are all examples of ________.

Accepted Answer

A)  mineral cleavage
B)  foliation
C)  recrystallization
D)  metamorphic faciesE) All of the above
F) None of the above

Question 10

Thermal (contact) metamorphism occurs ________.

Accepted Answer

A)  in areas surrounding igneous intrusions
B)  only where gneiss is in contact with schist
C)  as a consequence of the sinking of a broad region to great depth
D)  only at the surface,where rock is in contact with the atmosphereE) C) and D)
F) B) and C)

Exam 8: Metamorphism: a Process of Change

Which of the following statements is NOT true? Hornfels facies ________.

Correct Answer
verified

Thermal (contact) metamorphism occurs ________.

Correct Answer
verified

What is a primary difference between phyllite and schist?

Correct Answer
verified

Mylonites,formed from dynamic metamorphism,typically do NOT display ________.

Correct Answer
verified

A buried body of shale is subjected to differential stress,causing clay minerals to realign and produce slate.This is an example of ________.

Correct Answer
verified

Differential stress will cause crystals to align in a preferred orientation unless the crystals are ________.

Correct Answer
verified

The application of during metamorphism causes elongated crystals to align parallel with each other.When this happens,the rock develops .

Correct Answer
verified

Foliated metamorphic rocks possess ________.

Correct Answer
verified

Slaty cleavage,schistosity,and compositional banding are all examples of ________.

Correct Answer
verified

Consult the figure below.Hot water reacting with the crust is the basis for what type of metamorphism?

Correct Answer
verified

Exam 8: Metamorphism: a Process of Change

Which of the following statements is NOT true? Hornfels facies ________.

Correct AnswerverifiedShow Answer

Thermal (contact) metamorphism occurs ________.

Correct AnswerverifiedShow Answer

What is a primary difference between phyllite and schist?

Correct AnswerverifiedShow Answer

Mylonites,formed from dynamic metamorphism,typically do NOT display ________.

Correct AnswerverifiedShow Answer

A buried body of shale is subjected to differential stress,causing clay minerals to realign and produce slate.This is an example of ________.

Correct AnswerverifiedShow Answer

Differential stress will cause crystals to align in a preferred orientation unless the crystals are ________.

Correct AnswerverifiedShow Answer

The application of ________ during metamorphism causes elongated crystals to align parallel with each other.When this happens,the rock develops ________.

Correct AnswerverifiedShow Answer

Foliated metamorphic rocks possess ________.

Correct AnswerverifiedShow Answer

Slaty cleavage,schistosity,and compositional banding are all examples of ________.

Correct AnswerverifiedShow Answer

Consult the figure below.Hot water reacting with the crust is the basis for what type of metamorphism?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The application of during metamorphism causes elongated crystals to align parallel with each other.When this happens,the rock develops .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified