AND ANSWERS ALL CORRECT
What type of metamorphism results in the development of an aureole?
A. dynamic
B. shock
C. regional
D. contact
E. burial - Answer- D. contact
Which of these features has something to do with contact metamorphism?
A. mineral recrystallization
B. magma
C. country rock
D. aureole
E. all of the above - Answer- E. all of the above
Which of the following statements about the size of the zone of metamorphism
associated with contact metamorphism is false?
A. the zone can extend 100s of meters away from a batholith intrusion
B. the size is related to the temperature of the magma
C. the size is related to the amount of fluids causing hydrothermal alteration
D. the size is related to how much mechanical deformation is occurring
E. the type of rocks being metamorphosed greatly affects the size of the zone - Answer-
D. the size is related to how much mechanical deformation is occurring
Which type of metamorphism is associated with the process of metasomatism?
,A. thermal
B. hydrothermal
C. regional
D. burial
E. dynamic - Answer- B. hydrothermal
Metamorphism produced predominantly by the hydrothermal alteration of minerals is
called:
A. recrystallization
B. mylonitization
C. hydrothermatism
D. metasomatism
E. metaphoricalism - Answer- D. metasomatism
Which type of metamorphism would NOT be expected to produce predominantly
mechanical deformation?
A. regional
B. impact
C. burial
D. dynamic
E. all of the above are dominated by mechanical deformation - Answer- C. burial
Regolith is:
A. broken down rocks produced as a result of frost wedging
B. the process by which rocks are converted to soil
C. fragments of rocks that result from the processes of weathering
D. sedimentary particles that are produced by mechanical weathering
E. a middle eastern spice used for flavoring curry dishes - Answer- C. fragments of
rocks that result from the processes of weathering
, The movement of material by moving wind, water, or ice is a process called
(1)________ whereas the process that breaks down solid rock into loose sediment is
called (2)________.
A. (1)mechanical weathering (2) chemical weathering
B. (1) chemical weathering (2) mechanical weathering
C. (1)erosion (2)weathering
D.(1)weathering (2) erosion
E. (1) mass wasting
(2) regolith - Answer- C. (1)erosion (2)weathering
Which of the following definitions most accurately pertains to weathering?
A. the physical or chemical breakdown of rock exposed to air, water, and organic matter
B. the downslope movement of loose material under the influence of gravity
C. the sole process by which regolith becomes soil
D. the movement of sediment by surface processes involving wind, water, and ice
E. none of these statements defines weathering - Answer- A. the physical or chemical
breakdown of rock exposed to air, water, and organic matter
Weathering is:
A. the break down of solid rocks into regolith by moving water or wind
B. a purely chemical process that allows rocks to break down into soil
C. the physical or chemical break down of rocks into regolith and then soil
D. also called erosion
E. a process that extends to depths of 100s of kilometers into the Eart - Answer- C. the
physical or chemical break down of rocks into regolith and then soil
Which of the following is NOT true of frost wedging in rocks?
A. it is also called "freeze and thaw"
B. it is a direct result of water in cracks freezing and expanding by 9% in volume
C. it is a form of mechanical weathering
D. it only occurs in the polar regions on Earth
E. it is responsible for causing blocks of rock to dislodge, forming talus - Answer- D. it
only occurs in the polar regions on Earth
Frost wedging is:
A. when rocks cool and contract at night causing bits to break off
B. a form of chemical weathering whereby rock minerals dissolve in cold water
C. when moving glacier ice breaks rocks into smaller pieces of regolith
D. when water in cracks in rock freezes and expands, breaking the rock apart
E. when water in soil turns to frost, causing the soil to become frozen - Answer- D. when
water in cracks in rock freezes and expands, breaking the rock apart