Question 1

Which of the following contains silica (SiO2)?

Accepted Answer

A) coccolithophores 
B) corals 
C) foraminiferans 
D) phosphorites 
E) radiolarians 
A) coccolithophores 
B) corals 
C) foraminiferans 
D) phosphorites 
E) radiolarians E

Question 2

Which of the following is not an important control on oceanic sediment accumulation?

Accepted Answer

A) degree of preservation 
B) dilution 
C) input from other sediment types 
D) rate of deposition 
E) All of the above factors are important. 
A) degree of preservation 
B) dilution 
C) input from other sediment types 
D) rate of deposition 
E) All of the above factors are important. E

Question 3

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

Accepted Answer

A) True 
 B)False  False

Question 4

Calcareous shells will not accumulate on the ocean floor when the water depth exceeds about 4500 meters (around 15,000 feet).

Accepted Answer

A) True 
 B)False

Question 5

The element found in some sediments which suggest that a meteorite or asteroid impact occurred nearby is:

Accepted Answer

A) iridium. 
B) manganese. 
C) strontium. 
D) uranium. 
E) yttrium. 
A) iridium. 
B) manganese. 
C) strontium. 
D) uranium. 
E) yttrium.

Question 6

Match between columns
                        Premises: tektites
halite
silaceous ooze
diatomaceous ooze
coccolithophores
metal sulfides
oolites
abyssal clay
stromatolites
manganese nodules

Accepted Answer

The Answer of cosmogenous sediment and biogenous sediment and hydrogenous is...

Question 7

Phosphate nodules are found on the continental shelf.

Accepted Answer

A) True 
 B)False

Question 8

Calcium carbonate is most likely to dissolve in water with which characteristics?

Accepted Answer

A) low carbon dioxide and warm temperatures 
B) lots of carbon dioxide and cold temperatures 
C) lots of carbon dioxide and warm temperatures 
D) low pressure and warm temperatures 
E) low pressure and cold temperatures 
A) low carbon dioxide and warm temperatures 
B) lots of carbon dioxide and cold temperatures 
C) lots of carbon dioxide and warm temperatures 
D) low pressure and warm temperatures 
E) low pressure and cold temperatures

Question 9

Sediments which are poorly sorted and made of a variety of minerals could have been deposited by:

Accepted Answer

A) a glacier. 
B) a river delta. 
C) turbidity currents. 
D) a volcanic eruption. 
E) the wind. 
A) a glacier. 
B) a river delta. 
C) turbidity currents. 
D) a volcanic eruption. 
E) the wind.

Question 10

Refer to the figure below illustrating the world-wide distribution of marine sediments.Different areas of ocean sediments are indicated by different numbers.Use these numbers to answer the questions below.
  
-Biogenous sediments are indicated by the number(s):

Accepted Answer

A) 1. 
B) 2 & 3. 
C) 2 & 4. 
D) 2,3,& 4. 
E) 2,3,4,& 5. 
A) 1. 
B) 2 & 3. 
C) 2 & 4. 
D) 2,3,& 4. 
E) 2,3,4,& 5.

Question 11

The major force bringing continental sediments to the open ocean is (are):

Accepted Answer

A) glaciers. 
B) neritic currents. 
C) rivers. 
D) turbidity currents. 
E) wind. 
A) glaciers. 
B) neritic currents. 
C) rivers. 
D) turbidity currents. 
E) wind.

Question 12

In general,polar neritic sediment has more:

Accepted Answer

A) clay than in temperate waters. 
B) coral debris than in tropical waters. 
C) rock and gravel than in tropical waters. 
D) shell fragments than in temperate waters. 
E) silt and sand than in tropical waters. 
A) clay than in temperate waters. 
B) coral debris than in tropical waters. 
C) rock and gravel than in tropical waters. 
D) shell fragments than in temperate waters. 
E) silt and sand than in tropical waters.

Question 13

Sediments produced by plants and animals in the sea called:

Accepted Answer

A) cosmogenous. 
B) biogenous. 
C) hydrogenous. 
D) terriginous. 
E) volcagenic. 
A) cosmogenous. 
B) biogenous. 
C) hydrogenous. 
D) terriginous. 
E) volcagenic.

Question 14

silaceous ooze

Accepted Answer

A) biogenous sediment 
B) cosmogenous sediment 
C) hydrogenous sediment 
D) terrigenous sediment 
A) biogenous sediment 
B) cosmogenous sediment 
C) hydrogenous sediment 
D) terrigenous sediment

Question 15

tektites

Accepted Answer

A) biogenous sediment 
B) cosmogenous sediment 
C) hydrogenous sediment 
D) terrigenous sediment 
A) biogenous sediment 
B) cosmogenous sediment 
C) hydrogenous sediment 
D) terrigenous sediment

Question 16

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

Question 17

stromatolites

Accepted Answer

A) biogenous sediment 
B) cosmogenous sediment 
C) hydrogenous sediment 
D) terrigenous sediment 
A) biogenous sediment 
B) cosmogenous sediment 
C) hydrogenous sediment 
D) terrigenous sediment

Question 18

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

Question 19

The deposition of radiolarian oozes is affected by the carbonate compensation depth.

Accepted Answer

A) True 
 B)False

Question 20

Manganese nodules are an example of a:

Accepted Answer

A) biogenous sediments. 
B) cosmogenous sediments. 
C) hydrogenous sediments. 
D) terrigenous sediments. 
E) volcagenic sediments. 
A) biogenous sediments. 
B) cosmogenous sediments. 
C) hydrogenous sediments. 
D) terrigenous sediments. 
E) volcagenic sediments.

Which of the following contains silica (SiO₂)?

Which of the following is not an important control on oceanic sediment accumulation?

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

Calcareous shells will not accumulate on the ocean floor when the water depth exceeds about 4500 meters (around 15,000 feet).

The element found in some sediments which suggest that a meteorite or asteroid impact occurred nearby is:

Phosphate nodules are found on the continental shelf.

Calcium carbonate is most likely to dissolve in water with which characteristics?

Sediments which are poorly sorted and made of a variety of minerals could have been deposited by:

Refer to the figure below illustrating the world-wide distribution of marine sediments.Different areas of ocean sediments are indicated by different numbers.Use these numbers to answer the questions below. -Biogenous sediments are indicated by the number(s):

The major force bringing continental sediments to the open ocean is (are):

In general,polar neritic sediment has more:

Sediments produced by plants and animals in the sea called:

silaceous ooze

tektites

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

stromatolites

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

The deposition of radiolarian oozes is affected by the carbonate compensation depth.

Manganese nodules are an example of a:

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

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Exam 4: Marine Sediments

Which of the following contains silica (SiO2)?

Which of the following is not an important control on oceanic sediment accumulation?

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

Calcareous shells will not accumulate on the ocean floor when the water depth exceeds about 4500 meters (around 15,000 feet).

The element found in some sediments which suggest that a meteorite or asteroid impact occurred nearby is:

Phosphate nodules are found on the continental shelf.

Calcium carbonate is most likely to dissolve in water with which characteristics?

Sediments which are poorly sorted and made of a variety of minerals could have been deposited by:

Refer to the figure below illustrating the world-wide distribution of marine sediments.Different areas of ocean sediments are indicated by different numbers.Use these numbers to answer the questions below. -Biogenous sediments are indicated by the number(s):

The major force bringing continental sediments to the open ocean is (are):

In general,polar neritic sediment has more:

Sediments produced by plants and animals in the sea called:

silaceous ooze

tektites

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

stromatolites

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

The deposition of radiolarian oozes is affected by the carbonate compensation depth.

Manganese nodules are an example of a:

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Water and Seawater

Air-Sea Interface

Ocean Circulation

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

Filters

Which of the following contains silica (SiO₂)?