Question 1

Which type of sediment is the greatest contributor, on a world scale, to the sediments of the neritic zone?

Accepted Answer

A)  Biogenous 
B)  Terrigenous 
C)  Hydrogenous 
D)  Cosmogenous 
E)  Volcanic 
A)  Biogenous 
B)  Terrigenous 
C)  Hydrogenous 
D)  Cosmogenous 
E)  Volcanic

Question 2

The ________ of phytoplankton and zooplankton contribute to marine sediments.

Accepted Answer

A)  fecal pellets 
B)  tests 
C)  limbs 
D)  fecal pellets and tests 
E)  tests and limbs 
A)  fecal pellets 
B)  tests 
C)  limbs 
D)  fecal pellets and tests 
E)  tests and limbs

Question 3

Manganese nodule mining is being considered because of their high content of the element ________.

Accepted Answer

A)  zinc 
B)  manganese 
C)  magnesium 
D)  phosphorus 
E)  cobalt 
A)  zinc 
B)  manganese 
C)  magnesium 
D)  phosphorus 
E)  cobalt

Question 4

Surface coral formations growing around completely submerged seamounts are called ________.

Accepted Answer

A)  atolls 
B)  fringing reefs 
C)  edge reefs 
D)  conical reefs 
E)  barrier reefs 
A)  atolls 
B)  fringing reefs 
C)  edge reefs 
D)  conical reefs 
E)  barrier reefs

Question 5

Acoustic profiling is used to study ________.

Accepted Answer

A)  sediment size 
B)  sediment distribution 
C)  seafloor structure 
D)  sediment size and sediment distribution 
E)  sediment distribution and seafloor structure 
A)  sediment size 
B)  sediment distribution 
C)  seafloor structure 
D)  sediment size and sediment distribution 
E)  sediment distribution and seafloor structure

Question 6

The particle size of terrigenous sediments generally ________ with distance from shore.

Accepted Answer

A)  increases 
B)  decreases 
C)  stays the same 
D)  becomes less uniform 
E)  is less graded 
A)  increases 
B)  decreases 
C)  stays the same 
D)  becomes less uniform 
E)  is less graded

Question 7

Turbidity currents are often triggered by earthquakes along passive continental margins.

Accepted Answer

A) True 
 B)False

Question 8

Lithification of sediments produces ________.

Accepted Answer

A)  coral 
B)  turbidites 
C)  mud flows 
D)  rock 
E)  red clay 
A)  coral 
B)  turbidites 
C)  mud flows 
D)  rock 
E)  red clay

Question 9

Turbidity currents produce some ________.

Accepted Answer

A)  trenches 
B)  abyssal hills 
C)  submarine canyons 
D)  All of these are correct. 
E)  None of these is correct. 
A)  trenches 
B)  abyssal hills 
C)  submarine canyons 
D)  All of these are correct. 
E)  None of these is correct.

Question 10

Close to shore on the continental shelf at high-temperate latitudes, ________ deposits are most likely to predominate.

Accepted Answer

A)  cosmogenous 
B)  hydrogenous 
C)  pelagic 
D)  neritic 
E)  terrigenous 
A)  cosmogenous 
B)  hydrogenous 
C)  pelagic 
D)  neritic 
E)  terrigenous

Question 11

The most common topographic features on Earth are probably ________.

Accepted Answer

A)  rivers 
B)  beaches 
C)  abyssal hills 
D)  continental shelves 
E)  island arcs. 
A)  rivers 
B)  beaches 
C)  abyssal hills 
D)  continental shelves 
E)  island arcs.

Question 12

Flat-topped, submerged seamounts are referred to as ________.

Accepted Answer

A)  mesas 
B)  abyssal hills 
C)  atolls 
D)  guyots 
E)  flattops 
A)  mesas 
B)  abyssal hills 
C)  atolls 
D)  guyots 
E)  flattops

Question 13

Oil and gas represent only 50% of the mineral value presently taken from the seafloor.

Accepted Answer

A) True 
 B)False

Question 14

One fathom is equal to ________.

Accepted Answer

A)  6 meters 
B)  1 meter 
C)  6 feet (which is roughly 2 meters) 
A)  6 meters 
B)  1 meter 
C)  6 feet (which is roughly 2 meters)

Question 15

Diatomaceous sediments are

Accepted Answer

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

Question 16

Large boulders and cobbles scattered over the deep-sea floor at high-temperate latitudes were most likely deposited by turbidity currents.

Accepted Answer

A) True 
 B)False

Question 17

Large particles sink faster than small particles of the same density.

Accepted Answer

A) True 
 B)False

Question 18

Side scan sonar images are the product of the ________.

Accepted Answer

A)  reflectivity of the material 
B)  depth of the water 
C)  angle at which the sound strikes the object 
D)  reflectivity of the material and depth of the water 
E)  reflectivity of the material, depth of the water, and angle at which the sound strikes the object 
A)  reflectivity of the material 
B)  depth of the water 
C)  angle at which the sound strikes the object 
D)  reflectivity of the material and depth of the water 
E)  reflectivity of the material, depth of the water, and angle at which the sound strikes the object

Question 19

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. 
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.

Question 20

Manganese nodule mining has not developed because of ________.

Accepted Answer

A)  low international market prices in metal 
B)  unresolved legal ownership problems 
C)  technical and developmental costs 
D)  All of these are correct. 
E)  None of these is correct. 
A)  low international market prices in metal 
B)  unresolved legal ownership problems 
C)  technical and developmental costs 
D)  All of these are correct. 
E)  None of these is correct.

Which type of sediment is the greatest contributor, on a world scale, to the sediments of the neritic zone?

The ________ of phytoplankton and zooplankton contribute to marine sediments.

Manganese nodule mining is being considered because of their high content of the element ________.

Surface coral formations growing around completely submerged seamounts are called ________.

Acoustic profiling is used to study ________.

The particle size of terrigenous sediments generally ________ with distance from shore.

Turbidity currents are often triggered by earthquakes along passive continental margins.

Lithification of sediments produces ________.

Turbidity currents produce some ________.

Close to shore on the continental shelf at high-temperate latitudes, ________ deposits are most likely to predominate.

The most common topographic features on Earth are probably ________.

Flat-topped, submerged seamounts are referred to as ________.

Oil and gas represent only 50% of the mineral value presently taken from the seafloor.

One fathom is equal to ________.

Diatomaceous sediments are

Large boulders and cobbles scattered over the deep-sea floor at high-temperate latitudes were most likely deposited by turbidity currents.

Large particles sink faster than small particles of the same density.

Side scan sonar images are the product of the ________.

Inactive volcanic seamounts on top of the oceanic crust will

Manganese nodule mining has not developed because of ________.

The Water Planet

Earth Structure and Plate Tectonics

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

Exam 3: The Sea Floor and Its Sediments

Which type of sediment is the greatest contributor, on a world scale, to the sediments of the neritic zone?

The ________ of phytoplankton and zooplankton contribute to marine sediments.

Manganese nodule mining is being considered because of their high content of the element ________.

Surface coral formations growing around completely submerged seamounts are called ________.

Acoustic profiling is used to study ________.

The particle size of terrigenous sediments generally ________ with distance from shore.

Turbidity currents are often triggered by earthquakes along passive continental margins.

Lithification of sediments produces ________.

Turbidity currents produce some ________.

Close to shore on the continental shelf at high-temperate latitudes, ________ deposits are most likely to predominate.

The most common topographic features on Earth are probably ________.

Flat-topped, submerged seamounts are referred to as ________.

Oil and gas represent only 50% of the mineral value presently taken from the seafloor.

One fathom is equal to ________.

Diatomaceous sediments are

Large boulders and cobbles scattered over the deep-sea floor at high-temperate latitudes were most likely deposited by turbidity currents.

Large particles sink faster than small particles of the same density.

Side scan sonar images are the product of the ________.

Inactive volcanic seamounts on top of the oceanic crust will

Manganese nodule mining has not developed because of ________.

The Water Planet

Earth Structure and Plate Tectonics

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters