Question 1

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 2

Siliceous oozes are found at all ocean depths because of the slow dissolving rate of silica.

Accepted Answer

A) True 
 B)False

Question 3

One fathom is equal to

Accepted Answer

A)  6 feet. 
B)  6 meters. 
C)  roughly 2 meters. 
D)  one meter. 
E)  6 feet and roughly 2 meters. 
A)  6 feet. 
B)  6 meters. 
C)  roughly 2 meters. 
D)  one meter. 
E)  6 feet and roughly 2 meters.

Question 4

The east coast of South America

Accepted Answer

A)  is a passive continental margin. 
B)  has a relatively wide continental shelf. 
C)  is an active continental margin. 
D)  is marked by a deep ocean trench. 
E)  is a passive continental margin and has a relatively wide continental shelf. 
A)  is a passive continental margin. 
B)  has a relatively wide continental shelf. 
C)  is an active continental margin. 
D)  is marked by a deep ocean trench. 
E)  is a passive continental margin and has a relatively wide continental shelf.

Question 5

Seventy five percent of all marine sediments are

Accepted Answer

A)  terrigenous. 
B)  neritic. 
C)  pelagic. 
D)  suspended in the water column. 
E)  produced by active seamounts. 
A)  terrigenous. 
B)  neritic. 
C)  pelagic. 
D)  suspended in the water column. 
E)  produced by active seamounts.

Question 6

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 7

Abyssal hills are single, rounded domes extending at least 3km above the deep-sea floor.

Accepted Answer

A) True 
 B)False

Question 8

The silica rich oozes of the Pacific Ocean are due to _______ at high latitudes and ______ at low latitudes.

Accepted Answer

A)  radiolarians, diatoms 
B)  diatoms, diatoms 
C)  diatoms, radiolarians 
D)  radiolarians, radiolarians 
E)  None of these are correct. 
A)  radiolarians, diatoms 
B)  diatoms, diatoms 
C)  diatoms, radiolarians 
D)  radiolarians, radiolarians 
E)  None of these are correct.

Question 9

Guyots are flat-topped islands.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

A fathom is a unit of

Accepted Answer

A)  distance. 
B)  depth. 
C)  speed. 
D)  weight. 
E)  time. 
A)  distance. 
B)  depth. 
C)  speed. 
D)  weight. 
E)  time.

Question 12

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 13

Turbidites are

Accepted Answer

A)  graded sequence of sediments. 
B)  found in submarine canyons. 
C)  characterized by coarse sediments on top of fine sediments. 
D)  graded sequence of sediments and found in submarine canyons. 
E)  found in submarine canyons and characterized by coarse sediments on top of fine sediments. 
A)  graded sequence of sediments. 
B)  found in submarine canyons. 
C)  characterized by coarse sediments on top of fine sediments. 
D)  graded sequence of sediments and found in submarine canyons. 
E)  found in submarine canyons and characterized by coarse sediments on top of fine sediments.

Question 14

The seabed is presently being mined in the U.S. for

Accepted Answer

A)  phosphorite. 
B)  manganese nodules. 
C)  sand and gravel. 
D)  All of these are correct. 
E)  None of these are correct. 
A)  phosphorite. 
B)  manganese nodules. 
C)  sand and gravel. 
D)  All of these are correct. 
E)  None of these are correct.

Question 15

The distinctive layering found in marine sediments indicates that the properties of the sediment and the rates of sedimentation have varied with time.

Accepted Answer

A) True 
 B)False

Question 16

A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a

Accepted Answer

A)  pelagic deposit. 
B)  rafted deposit. 
C)  hydrogenic deposit. 
D)  turbidite. 
E)  well-sorted deposit. 
A)  pelagic deposit. 
B)  rafted deposit. 
C)  hydrogenic deposit. 
D)  turbidite. 
E)  well-sorted deposit.

Question 17

Calcareous oozes of the open ocean are associated with midocean ridge and rise systems rather than the deep-ocean basin floor.

Accepted Answer

A) True 
 B)False

Question 18

The deep-sea floor, between 4000 and 6000 m depth, covers more of Earth's surface than the continents.

Accepted Answer

A) True 
 B)False

Question 19

The first scientific voyage to use an echo sounder on a large scale was the

Accepted Answer

A)  Meteor expedition. 
B)  Beagle expedition. 
C)  Fram expedition. 
D)  Discovery expedition. 
E)  Endeavor expedition. 
A)  Meteor expedition. 
B)  Beagle expedition. 
C)  Fram expedition. 
D)  Discovery expedition. 
E)  Endeavor expedition.

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 are 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 are correct.

Lithification of sediments produces

Siliceous oozes are found at all ocean depths because of the slow dissolving rate of silica.

One fathom is equal to

The east coast of South America

Seventy five percent of all marine sediments are

The _____ of phytoplankton and zooplankton contribute to marine sediments.

Abyssal hills are single, rounded domes extending at least 3km above the deep-sea floor.

The silica rich oozes of the Pacific Ocean are due to _ at high latitudes and at low latitudes.

Guyots are flat-topped islands.

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

A fathom is a unit of

Acoustic profiling is used to study

Turbidites are

The seabed is presently being mined in the U.S. for

The distinctive layering found in marine sediments indicates that the properties of the sediment and the rates of sedimentation have varied with time.

A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a

Calcareous oozes of the open ocean are associated with midocean ridge and rise systems rather than the deep-ocean basin floor.

The deep-sea floor, between 4000 and 6000 m depth, covers more of Earth's surface than the continents.

The first scientific voyage to use an echo sounder on a large scale was the

Manganese nodule mining has not developed because of

The Water Planet

Earth Structure and Plate Tectonics

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

Exam 3: The Sea Floor and Its Sediments

Lithification of sediments produces

Siliceous oozes are found at all ocean depths because of the slow dissolving rate of silica.

One fathom is equal to

The east coast of South America

Seventy five percent of all marine sediments are

The _____ of phytoplankton and zooplankton contribute to marine sediments.

Abyssal hills are single, rounded domes extending at least 3km above the deep-sea floor.

The silica rich oozes of the Pacific Ocean are due to _______ at high latitudes and ______ at low latitudes.

Guyots are flat-topped islands.

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

A fathom is a unit of

Acoustic profiling is used to study

Turbidites are

The seabed is presently being mined in the U.S. for

The distinctive layering found in marine sediments indicates that the properties of the sediment and the rates of sedimentation have varied with time.

A sediment deposit close to the continental rise having a coarse material overlaid by successively finer materials of nonmarine origin is called a

Calcareous oozes of the open ocean are associated with midocean ridge and rise systems rather than the deep-ocean basin floor.

The deep-sea floor, between 4000 and 6000 m depth, covers more of Earth's surface than the continents.

The first scientific voyage to use an echo sounder on a large scale was the

Manganese nodule mining has not developed because of

The Water Planet

Earth Structure and Plate Tectonics

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

Ocean Structure and Circulation

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

The silica rich oozes of the Pacific Ocean are due to _ at high latitudes and at low latitudes.