Question 1

An example of a terrigenous sediment is the manganese nodule.

Accepted Answer

A) True 
 B)False

Question 2

Paleoceanography is the study of past processes and past events that have occurred in the ocean. What types of questions do paleoceanographers ask and what are the methods they use to obtain information about the ocean's past?

Accepted Answer

Deep-sea sediments hold about a 180 mill...

Question 3

Some sediment originates from the remnants of organisms.

Accepted Answer

A) True 
 B)False

Question 4

Which sediments would be considered oozes?

Accepted Answer

A)  terrigenous sediments
B)  biogenous sediments
C)  hydrogenous (or authigenic) sediments
D)  cosmogenous sedimentsE) B) and C)
F) A) and B)

Question 5

Sand is classified as sediment that has a maximum diameter of ____.

Accepted Answer

A)  4 mm
B)  0.2 mm
C)  2 mm
D)  0.004 mmE) B) and C)
F) None of the above

Question 6

Clays are the coarsest and most easily transported of the terrigenous sediments.

Accepted Answer

A) True 
 B)False

Question 7

Which type of sediment is most abundant in neritic deposits?

Accepted Answer

A)  terrigenous sediments
B)  biogenous sediments
C)  hydrogenous (or authigenic) sediments
D)  cosmogenous sedimentsE) A) and B)
F) A) and C)

Question 8

An example of a siliceous ooze are those formed from radiolarian shells.

Accepted Answer

A) True 
 B)False

Question 9

Describe neritic sediments and explain what you would expect in the composition of a typical neritic sample.

Accepted Answer

Neritic sediments are those that form an...

Question 10

In the process of lithification , sediments ____.

Accepted Answer

A)  are subducted into the mantle at a deep trench
B)  are converted into solid rock
C)  slip into the center of the mid-ocean ridges and become new seafloor
D)  are uplifted to form the edges of continentsE) A) and B)
F) B) and C)

Question 11

Which type of sediment is of organic origin, i.e., made by organisms?

Accepted Answer

A)  terrigenous sediments
B)  biogenous sediments
C)  hydrogenous (or authigenic) sediments
D)  cosmogenous sedimentsE) All of the above
F) B) and C)

Question 12

Which sediments cover the greatest area of seabed?

Accepted Answer

A)  terrigenous sediments
B)  biogenous sediments
C)  hydrogenous (or authigenic) sediments
D)  cosmogenous sedimentsE) A) and B)
F) B) and D)

Question 13

What is the origin of manganese nodules?

Accepted Answer

Manganese nodules are hydrogenous sedime...

Question 14

Scientists use ocean sediments to obtain information about ocean processes throughout the history of the ocean.

Accepted Answer

A) True 
 B)False

Question 15

Neritic sediments are found on the ____.

Accepted Answer

A)  deep ocean floor, mostly in the Atlantic Ocean
B)  continental shelf
C)  continental rise
D)  abyssal plainsE) All of the above
F) B) and D)

Question 16

Sediment that contains a mixture of various particle sizes is referred to as ____.

Accepted Answer

A)  homogeneous
B)  poorly sorted
C)  well-sorted
D)  eroding sedimentsE) A) and B)
F) All of the above

Question 17

Which of the following are hydrogenous sediments?

Accepted Answer

A)  quartz sand
B)  phosphorite deposits
C)  siliceous oozes
D)  tektitesE) B) and C)
F) A) and D)

Question 18

The white cliffs of Dover are chalk-like deposits of coccolithophores and are around 100 million years old.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is a major source of terrigenous sediments?

Accepted Answer

A)  erosion
B)  dissolved organic material
C)  dissolved nutrients
D)  precipitation over the open oceanE) A) and B)
F) All of the above

Question 20

Which method would be valid for classifying sediments?

Accepted Answer

A)  Studying the size and settling rate of sediment grains
B)  Studying the thickness of sediment layers
C)  Studying the color of the sediment
D)  Determining the age of the bedrock underlying the sedimentsE) A) and B)
F) C) and D)

Exam 5: Ocean Sediments

Neritic sediments are found on the ____.

Correct AnswerverifiedShow Answer

Which sediments cover the greatest area of seabed?

Correct AnswerverifiedShow Answer

Paleoceanography is the study of past processes and past events that have occurred in the ocean. What types of questions do paleoceanographers ask and what are the methods they use to obtain information about the ocean's past?

Correct AnswerverifiedDeep-sea sediments hold about a 180 mill...View AnswerShow Answer

In the process of lithification , sediments ____.

Correct AnswerverifiedShow Answer

An example of a siliceous ooze are those formed from radiolarian shells.

Correct AnswerverifiedShow Answer

Which of the following are hydrogenous sediments?

Correct AnswerverifiedShow Answer

What is the origin of manganese nodules?

Correct AnswerverifiedManganese nodules are hydrogenous sedime...View AnswerShow Answer

Which sediments would be considered oozes?

Correct AnswerverifiedShow Answer

Which of the following is a major source of terrigenous sediments?

Correct AnswerverifiedShow Answer

Scientists use ocean sediments to obtain information about ocean processes throughout the history of the ocean.

Correct AnswerverifiedShow Answer

Which method would be valid for classifying sediments?

Correct AnswerverifiedShow Answer

The white cliffs of Dover are chalk-like deposits of coccolithophores and are around 100 million years old.

Correct AnswerverifiedShow Answer

Describe neritic sediments and explain what you would expect in the composition of a typical neritic sample.

Correct AnswerverifiedNeritic sediments are those that form an...View AnswerShow Answer

Clays are the coarsest and most easily transported of the terrigenous sediments.

Correct AnswerverifiedShow Answer

Some sediment originates from the remnants of organisms.

Correct AnswerverifiedShow Answer

Which type of sediment is of organic origin, i.e., made by organisms?

Correct AnswerverifiedShow Answer

Sediment that contains a mixture of various particle sizes is referred to as ____.

Correct AnswerverifiedShow Answer

Which type of sediment is most abundant in neritic deposits?

Correct AnswerverifiedShow Answer

Sand is classified as sediment that has a maximum diameter of ____.

Correct AnswerverifiedShow Answer

An example of a terrigenous sediment is the manganese nodule.

Correct AnswerverifiedShow Answer

Correct Answer
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Deep-sea sediments hold about a 180 mill...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Manganese nodules are hydrogenous sedime...
View Answer

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Neritic sediments are those that form an...
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Correct Answer
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Correct Answer
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