Question 1

Which sediment is categorized under cosmogenous sediments?

Accepted Answer

A)   Evaporites
B)   Ooliths
C)   Microtektites
D)   Manganese nodulesE) B) and C)
F) B) and D)

Question 2

Neritic sediments are mainly comprised of biogenous sediments due to the proximity to the continental shelf.

Accepted Answer

A) True 
 B)False

Question 3

What is one reason diatomaceous earth is economically valued?

Accepted Answer

A)   It can be used as a fossil fuel alternative.
B)   It can be used for various filtration systems.
C)   It can be broken up for gravel and used as building materials.
D)   It demonstrates the presence of "marine snow."E) All of the above
F) A) and B)

Question 4

What piece of equipment was able to facilitate the new fields of stratigraphy and paleoceanography with the data it generated?

Accepted Answer

A)   Clamshell samplers
B)   Deep water cameras
C)   Piston Corers
D)   Seismic profilersE) A) and B)
F) C) and D)

Question 5

If there is an abundance of foraminifera shells found in a sediment, it would be categorized as:

Accepted Answer

A)   hydrogenous sediment.
B)   calcareous ooze.
C)   coccolithophore.
D)   siliceous ooze.E) All of the above
F) B) and C)

Question 6

Biological sediments are the most abundant sediments due to the high productivity of organisms along the continental shelf.

Accepted Answer

A) True 
 B)False

Question 7

Clays can remain suspended in a water column for decades before settling due to their small size.

Accepted Answer

A) True 
 B)False

Question 8

Calcareous oozes form much slower than siliceous oozes based on the rate their components dissolve in seawater.

Accepted Answer

A) True 
 B)False

Question 9

What was the primary way sediment was transported to North America (east coast)  continental margin during the last ice age?

Accepted Answer

A)   Rivers carry the sediment right to the shelf edge.
B)   Strong currents carry the sediment to the contential shelf edge.
C)   Wind blows sediment from the continent to the shelf edge
D)   GlaciersE) C) and D)
F) A) and B)

Question 10

What explains why the ocean's sedimentary "memory" or record does not start with the ocean's formation?

Accepted Answer

A)   Samples cannot be attained in deep water.
B)   Ocean sediment records are destroyed by subduction.
C)   No sediments deposit when new ocean basins form
D)   Sediments are buried deep and are eventually metamorphosedE) B) and C)
F) A) and C)

Exam 5: Ocean Sediments

Biological sediments are the most abundant sediments due to the high productivity of organisms along the continental shelf.

Correct Answer
verified

What explains why the ocean's sedimentary "memory" or record does not start with the ocean's formation?

Correct Answer
verified

What piece of equipment was able to facilitate the new fields of stratigraphy and paleoceanography with the data it generated?

Correct Answer
verified

Which sediment is categorized under cosmogenous sediments?

Correct Answer
verified

Clays can remain suspended in a water column for decades before settling due to their small size.

Correct Answer
verified

If there is an abundance of foraminifera shells found in a sediment, it would be categorized as:

Correct Answer
verified

Calcareous oozes form much slower than siliceous oozes based on the rate their components dissolve in seawater.

Correct Answer
verified

What is one reason diatomaceous earth is economically valued?

Correct Answer
verified

Neritic sediments are mainly comprised of biogenous sediments due to the proximity to the continental shelf.

Correct Answer
verified

What was the primary way sediment was transported to North America (east coast) continental margin during the last ice age?

Correct Answer
verified

Exam 5: Ocean Sediments

Biological sediments are the most abundant sediments due to the high productivity of organisms along the continental shelf.

Correct AnswerverifiedShow Answer

What explains why the ocean's sedimentary "memory" or record does not start with the ocean's formation?

Correct AnswerverifiedShow Answer

What piece of equipment was able to facilitate the new fields of stratigraphy and paleoceanography with the data it generated?

Correct AnswerverifiedShow Answer

Which sediment is categorized under cosmogenous sediments?

Correct AnswerverifiedShow Answer

Clays can remain suspended in a water column for decades before settling due to their small size.

Correct AnswerverifiedShow Answer

If there is an abundance of foraminifera shells found in a sediment, it would be categorized as:

Correct AnswerverifiedShow Answer

Calcareous oozes form much slower than siliceous oozes based on the rate their components dissolve in seawater.

Correct AnswerverifiedShow Answer

What is one reason diatomaceous earth is economically valued?

Correct AnswerverifiedShow Answer

Neritic sediments are mainly comprised of biogenous sediments due to the proximity to the continental shelf.

Correct AnswerverifiedShow Answer

What was the primary way sediment was transported to North America (east coast) continental margin during the last ice age?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct 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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