Question 1

Diatomaceous sediments are

Accepted Answer

A)   oozes.
B)   found below 4500m.
C)   found in cold water.
D)   All of these are correct.
E)   None of these are correct.F) C) and D)
G) B) and C)

Question 2

The continental rise is a product of

Accepted Answer

A)   volcanic activity.
B)   sedimentation.
C)   seismic upheaval.
D)   All of these are correct.
E)   None of these are correct.F) None of the above
G) All of the above

Question 3

Sediment accumulation in the deep ocean tends to be greater than near the continental margins.

Accepted Answer

A) True 
 B)False

Question 4

Major deposits of silicous oozes from the radiolaria are found centered on which latitudes?

Accepted Answer

A)   5 °N
B)   20 °N and S
C)   30 °N and S
D)   45 °N and S
E)   65 °N and SF) B) and E)
G) A) and C)

Question 5

Red mud or brown clay deposits are found under oceanic regions of high biological productivity.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is NOT true about passive continental margins?

Accepted Answer

A)   They have little seismic or volcanic activity
B)   They form after continents are rifted apart
C)   They tend to be wider than active margins
D)   They occur away from plate boundaries
E)   They are commonly at subduction zonesF) C) and D)
G) A) and C)

Question 7

Barrier reefs can develop into atolls as the seafloor sinks with age.

Accepted Answer

A) True 
 B)False

Question 8

Hydrogenous sediments of the deep-ocean floor predominate in regions where other sediment sources are reduced.

Accepted Answer

A) True 
 B)False

Question 9

Inactive volcanic seamounts on top of the oceanic crust will

Accepted Answer

A)   continue to elevate with time.
B)   subside with time.
C)   remain in equilibrium once formed.
D)   keep a constant elevation.
E)   steepen in slope.F) B) and E)
G) A) and E)

Question 10

Calcareous oozes are more common in deep water than shallow water.

Accepted Answer

A) True 
 B)False

Question 11

Calcareous sediments are well-preserved in cold, deep water below the CCD.

Accepted Answer

A) True 
 B)False

Question 12

Calcareous deposits are most likely to be found in more acidic seawater undersaturated in calcite.

Accepted Answer

A) True 
 B)False

Question 13

Red clay obtains its characteristic color from

Accepted Answer

A)   the remains of bottom organisms.
B)   the oxidation of iron.
C)   the silica liberated from diatoms.
D)   calcium carbonate.
E)   bacteria of the deep sea.F) C) and D)
G) B) and E)

Question 14

Manganese nodules are composed entirely of manganese.

Accepted Answer

A) True 
 B)False

Exam 3: The Sea Floor and Its Sediments

Calcareous oozes are more common in deep water than shallow water.

Correct Answer
verified

Calcareous sediments are well-preserved in cold, deep water below the CCD.

Correct Answer
verified

Red mud or brown clay deposits are found under oceanic regions of high biological productivity.

Correct Answer
verified

Inactive volcanic seamounts on top of the oceanic crust will

Correct Answer
verified

Calcareous deposits are most likely to be found in more acidic seawater undersaturated in calcite.

Correct Answer
verified

Which of the following is NOT true about passive continental margins?

Correct Answer
verified

Hydrogenous sediments of the deep-ocean floor predominate in regions where other sediment sources are reduced.

Correct Answer
verified

Diatomaceous sediments are

Correct Answer
verified

Major deposits of silicous oozes from the radiolaria are found centered on which latitudes?

Correct Answer
verified

Barrier reefs can develop into atolls as the seafloor sinks with age.

Correct Answer
verified

Red clay obtains its characteristic color from

Correct Answer
verified

Manganese nodules are composed entirely of manganese.

Correct Answer
verified

The continental rise is a product of

Correct Answer
verified

Sediment accumulation in the deep ocean tends to be greater than near the continental margins.

Correct Answer
verified

Exam 3: The Sea Floor and Its Sediments

Calcareous oozes are more common in deep water than shallow water.

Correct AnswerverifiedShow Answer

Calcareous sediments are well-preserved in cold, deep water below the CCD.

Correct AnswerverifiedShow Answer

Red mud or brown clay deposits are found under oceanic regions of high biological productivity.

Correct AnswerverifiedShow Answer

Inactive volcanic seamounts on top of the oceanic crust will

Correct AnswerverifiedShow Answer

Calcareous deposits are most likely to be found in more acidic seawater undersaturated in calcite.

Correct AnswerverifiedShow Answer

Which of the following is NOT true about passive continental margins?

Correct AnswerverifiedShow Answer

Hydrogenous sediments of the deep-ocean floor predominate in regions where other sediment sources are reduced.

Correct AnswerverifiedShow Answer

Diatomaceous sediments are

Correct AnswerverifiedShow Answer

Major deposits of silicous oozes from the radiolaria are found centered on which latitudes?

Correct AnswerverifiedShow Answer

Barrier reefs can develop into atolls as the seafloor sinks with age.

Correct AnswerverifiedShow Answer

Red clay obtains its characteristic color from

Correct AnswerverifiedShow Answer

Manganese nodules are composed entirely of manganese.

Correct AnswerverifiedShow Answer

The continental rise is a product of

Correct AnswerverifiedShow Answer

Sediment accumulation in the deep ocean tends to be greater than near the continental margins.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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