Question 1

Stratification refers to ________.

Accepted Answer

A)  the development of layering within sedimentary rocks
B)  the act of deposition of sediment that will ultimately form sedimentary rock
C)  physical and chemical alterations,including compaction and cementation,that occur as sediment is transformed into rock
D)  the process of breaking down a source rock into smaller pieces called grainsE) A) and B)
F) A) and C)

Question 2

Death Valley is currently sinking partly due to the weight of continuously accumulating sediment shed from the mountains that border the valley.What phenomenon is this an example of and what depositional environment is created by the sediment deposition?

Accepted Answer

A)  regression and deltas
B)  subsidence and deltas
C)  regression and alluvial fans
D)  subsidence and alluvial fansE) B) and C)
F) A) and B)

Question 3

Consult the figure below.Here,distinct internal laminations are inclined at an angle to the boundary of the main sedimentary layers.This is termed ________.

Accepted Answer

A)  graded beds
B)  cross beds
C)  horizontal beds
D)  tilted bedsE) A) and B)
F) A) and C)

Question 4

If a geologist found preserved mud cracks,he or she could conclude that the environment in which they formed ________.

Accepted Answer

A)  was once covered in wet mud
B)  was once covered by a glacier
C)  has been subjected to a major climate change event
D)  was the site of a mass extinction eventE) C) and D)
F) A) and C)

Question 5

The sedimentary rocks breccia and conglomerate most commonly form in a ________ environment.

Accepted Answer

A)  beach
B)  lake
C)  mountain stream
D)  deep-ocean basinE) B) and C)
F) All of the above

Question 6

It is unusual for ________ to carry grains larger than sand.

Accepted Answer

A)  ice in glaciers
B)  water in rivers
C)  wind
D)  water at a seaside beachE) C) and D)
F) A) and B)

Question 7

Cemented shells of marine organisms form which kind of sedimentary rock?

Accepted Answer

A)  biochemical
B)  chemical
C)  clastic
D)  organicE) A) and B)
F) A) and C)

Question 8

A clastic rock composed of sand-sized grains derived from the physical weathering of granite and containing a sizable proportion of feldspar is termed ________.

Accepted Answer

A)  metasandstone
B)  lithosandstone
C)  wacke
D)  arkoseE) A) and B)
F) A) and C)

Question 9

What is the difference between the formation of chalk versus chert?

Accepted Answer

A)  They have different grain sizes.
B)  They are made of different source materials.
C)  Chalk is terrestrial;chert is marine.
D)  Chalk is biochemical;chert is chemical.E) C) and D)
F) All of the above

Question 10

Limestone is most likely formed in which of the following environments?

Accepted Answer

A)  shallow-marine clastic
B)  shallow-marine carbonate
C)  marine delta
D)  deep marineE) A) and B)
F) All of the above

Question 11

The primary difference between breccia and conglomerate is that conglomerate ________.

Accepted Answer

A)  is finer grained than breccia
B)  is coarser grained than breccia
C)  possesses more angular grains than breccia
D)  possesses more rounded grains than brecciaE) All of the above
F) None of the above

Question 12

The image below shows a series of graded beds.How many graded beds are shown?

Accepted Answer

A)  1
B)  3
C)  12
D)  15E) B) and D)
F) A) and B)

Exam 7: Pages of Earths Past: Sedimentary Rocks

If a geologist found preserved mud cracks,he or she could conclude that the environment in which they formed ________.

Correct Answer
verified

Cemented shells of marine organisms form which kind of sedimentary rock?

Correct Answer
verified

Death Valley is currently sinking partly due to the weight of continuously accumulating sediment shed from the mountains that border the valley.What phenomenon is this an example of and what depositional environment is created by the sediment deposition?

Correct Answer
verified

A clastic rock composed of sand-sized grains derived from the physical weathering of granite and containing a sizable proportion of feldspar is termed ________.

Correct Answer
verified

It is unusual for ________ to carry grains larger than sand.

Correct Answer
verified

Limestone is most likely formed in which of the following environments?

Correct Answer
verified

Consult the figure below.Here,distinct internal laminations are inclined at an angle to the boundary of the main sedimentary layers.This is termed ________.

Correct Answer
verified

The image below shows a series of graded beds.How many graded beds are shown?

Correct Answer
verified

Stratification refers to ________.

Correct Answer
verified

The sedimentary rocks breccia and conglomerate most commonly form in a ________ environment.

Correct Answer
verified

The primary difference between breccia and conglomerate is that conglomerate ________.

Correct Answer
verified

What is the difference between the formation of chalk versus chert?

Correct Answer
verified

Exam 7: Pages of Earths Past: Sedimentary Rocks

If a geologist found preserved mud cracks,he or she could conclude that the environment in which they formed ________.

Correct AnswerverifiedShow Answer

Cemented shells of marine organisms form which kind of sedimentary rock?

Correct AnswerverifiedShow Answer

Death Valley is currently sinking partly due to the weight of continuously accumulating sediment shed from the mountains that border the valley.What phenomenon is this an example of and what depositional environment is created by the sediment deposition?

Correct AnswerverifiedShow Answer

A clastic rock composed of sand-sized grains derived from the physical weathering of granite and containing a sizable proportion of feldspar is termed ________.

Correct AnswerverifiedShow Answer

It is unusual for ________ to carry grains larger than sand.

Correct AnswerverifiedShow Answer

Limestone is most likely formed in which of the following environments?

Correct AnswerverifiedShow Answer

Consult the figure below.Here,distinct internal laminations are inclined at an angle to the boundary of the main sedimentary layers.This is termed ________.

Correct AnswerverifiedShow Answer

The image below shows a series of graded beds.How many graded beds are shown?

Correct AnswerverifiedShow Answer

Stratification refers to ________.

Correct AnswerverifiedShow Answer

The sedimentary rocks breccia and conglomerate most commonly form in a ________ environment.

Correct AnswerverifiedShow Answer

The primary difference between breccia and conglomerate is that conglomerate ________.

Correct AnswerverifiedShow Answer

What is the difference between the formation of chalk versus chert?

Correct AnswerverifiedShow Answer

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