Question 1

All of the following statements are true of ocean sediments except:

Accepted Answer

A)   ocean sediments are thickest in pelagic waters overlying the abyssal plain.
B)   ocean sediments can include the fossilized remains of ancient marine life.
C)   ocean sediments form from the remains of living organisms falling to the ocean floor.
D)   ocean sediments include the remains of ancient rocks of cosmic origin.
E)   ocean sediments may be composed of chemical precipitates such as calcium carbonate or manganese.F) None of the above
G) A) and B)

Question 2

The type of marine sediment that forms the thickest deposits world-wide is:

Accepted Answer

A)   abyssal clay deposits.
B)   manganese nodule deposits.
C)   neritic coarse lithogenous sediment deposits.
D)   neritic siliceous sediment deposits.
E)   pelagic biogenous calcareous deposits.F) A) and E)
G) B) and C)

Question 3

A pelagic clay contains lots of material that settles to the seafloor through the water column and are:

Accepted Answer

A)   less than 30% biogenous material.
B)   more than 30% biogenous material.
C)   more than 30% hydrogenous material.
D)   less than 30% neritic material.
E)   more than 30% neritic material.F) B) and D)
G) B) and C)

Question 4

Sediments derived from weathered rock and volcanic activity are called biogenous sediments.

Accepted Answer

A) True 
 B)False

Question 5

Texture refers to the size and shape of sediment particles.

Accepted Answer

A) True 
 B)False

Question 6

The organisms in this photograph would most likely produce oceanic sediments that are:

Accepted Answer

A)   calcareous.
B)   cosmogenous.
C)   lithogenous.
D)   neritic.
E)   siliceous.F) A) and E)
G) A) and C)

Question 7

coccolithophores

Accepted Answer

A)  terrigenous sediment
B)  biogenous sediment
C)  hydrogenous sediment
D)  cosmogenous sedimentE) A) and B)
F) B) and C)

Question 8

halite

Accepted Answer

A)  terrigenous sediment
B)  biogenous sediment
C)  hydrogenous sediment
D)  cosmogenous sedimentE) B) and C)
F) C) and D)

Question 9

metal sulfides

Accepted Answer

A)  terrigenous sediment
B)  biogenous sediment
C)  hydrogenous sediment
D)  cosmogenous sedimentE) None of the above
F) A) and B)

Question 10

Discuss the sources of biogenous sediments.

Accepted Answer

Biogenous sediments are composed of the ...

Question 11

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. 
-Choose the one option that does not fit the pattern.

Accepted Answer

A)  glaciers
B)  rivers
C)  shell fragments
D)  turbidity currents
E)  volcanic ashF) A) and E)
G) A) and D)

Question 12

diatomaceous ooze

Accepted Answer

A)  terrigenous sediment
B)  biogenous sediment
C)  hydrogenous sediment
D)  cosmogenous sedimentE) B) and C)
F) A) and D)

Question 13

All of the following are hydrogenous sediments except:

Accepted Answer

A)   evaporites.
B)   halites.
C)   manganese nodule.
D)   phosphates.
E)   stromatolites.F) B) and D)
G) D) and E)

Question 14

A very important way to increase the settling rate of fine particles in the open ocean is via:

Accepted Answer

A)   carbonate dissolution.
B)   deposit feeders.
C)   fecal pellets.
D)   precipitation.
E)   wind.F) C) and E)
G) B) and D)

Question 15

silaceous ooze

Accepted Answer

A)  terrigenous sediment
B)  biogenous sediment
C)  hydrogenous sediment
D)  cosmogenous sedimentE) A) and C)
F) A) and B)

Question 16

How does the analysis of marine sediments provide information about the climate of the ancient Earth?

Accepted Answer

The analysis of marine sediments provide...

Question 17

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. 
-Choose the one option that does not fit the pattern.

Accepted Answer

A)  chalk
B)  coccolithophores
C)  diatoms
D)  foraminiferans
E)  stromatolitesF) B) and D)
G) C) and D)

Question 18

Radiolarian oozes form near the equator.

Accepted Answer

A) True 
 B)False

Question 19

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. 
-Choose the one option that does not fit the pattern.

Accepted Answer

A)  halides
B)  manganese nodules
C)  metal sulfides
D)  phosphates
E)  tektitesF) B) and E)
G) All of the above

Question 20

abyssal clay

Accepted Answer

A)  terrigenous sediment
B)  biogenous sediment
C)  hydrogenous sediment
D)  cosmogenous sedimentE) B) and D)
F) A) and D)

Exam 4: Marine Sediments

All of the following are hydrogenous sediments except:

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silaceous ooze

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Sediments derived from weathered rock and volcanic activity are called biogenous sediments.

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diatomaceous ooze

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halite

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Texture refers to the size and shape of sediment particles.

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Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. -Choose the one option that does not fit the pattern.

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The organisms in this photograph would most likely produce oceanic sediments that are:

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metal sulfides

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A very important way to increase the settling rate of fine particles in the open ocean is via:

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How does the analysis of marine sediments provide information about the climate of the ancient Earth?

Correct AnswerAnswered by ExamLex AIThe analysis of marine sediments provide...View AnswerShow Answer

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. -Choose the one option that does not fit the pattern.

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Discuss the sources of biogenous sediments.

Correct AnswerverifiedBiogenous sediments are composed of the ...View AnswerShow Answer

All of the following statements are true of ocean sediments except:

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Radiolarian oozes form near the equator.

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The type of marine sediment that forms the thickest deposits world-wide is:

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A pelagic clay contains lots of material that settles to the seafloor through the water column and are:

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Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. -Choose the one option that does not fit the pattern.

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coccolithophores

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abyssal clay

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The analysis of marine sediments provide...
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Biogenous sediments are composed of the ...
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