Question 1

Bioturbation structures in sedimentary rock are evidence of

Accepted Answer

A)  burrowing marine organisms. 
B)  back and forth movement of water waves. 
C)  sediment deposited by wind. 
A)  burrowing marine organisms. 
B)  back and forth movement of water waves. 
C)  sediment deposited by wind.

Question 2

The pressure on sediment that is buried to a depth of 4 km is approximately ___ times atmospheric pressure.

Accepted Answer

A)  10 
B)  100 
C)  1000 
A)  10 
B)  100 
C)  1000

Question 3

In a desert environment, the primary transport agent is/are

Accepted Answer

A)  lake currents 
B)  river currents 
C)  wind 
A)  lake currents 
B)  river currents 
C)  wind

Question 4

Chemical sediments are more abundant than biological sediments.

Accepted Answer

A) True 
 B)False

Question 5

Which of the minerals listed is characteristic of phosphorites?

Accepted Answer

A)  hematite 
B)  dolomite 
C)  calcite 
D)  apatite 
A)  hematite 
B)  dolomite 
C)  calcite 
D)  apatite

Question 6

Which of the following is a common product of the weathering of silicate rocks?

Accepted Answer

A)  feldspar 
B)  pyroxene 
C)  clay minerals 
D)  amphibole 
A)  feldspar 
B)  pyroxene 
C)  clay minerals 
D)  amphibole

Question 7

The diagonal layers are called ________.

Accepted Answer

A)  cross-beds 
B)  graded beds 
C)  point bars 
D)  ripples 
A)  cross-beds 
B)  graded beds 
C)  point bars 
D)  ripples

Question 8

Which kind of rock forms almost entirely from the diagenesis of swamp vegetation?

Accepted Answer

A)  chert 
B)  gypsum 
C)  coal 
D)  all of these 
A)  chert 
B)  gypsum 
C)  coal 
D)  all of these

Question 9

Which of the following geologic processes causes the subsidence observed in newly forming rift valleys?

Accepted Answer

A)  thermal subsidence 
B)  compressive flexure 
C)  crustal thickening 
D)  lithosphere thinning 
A)  thermal subsidence 
B)  compressive flexure 
C)  crustal thickening 
D)  lithosphere thinning

Question 10

Coal is best classified as a(n) ___ sedimentary rock.

Accepted Answer

A)  chemical 
B)  clastic 
C)  organic 
A)  chemical 
B)  clastic 
C)  organic

Bioturbation structures in sedimentary rock are evidence of

The pressure on sediment that is buried to a depth of 4 km is approximately ___ times atmospheric pressure.

In a desert environment, the primary transport agent is/are

Chemical sediments are more abundant than biological sediments.

Which of the minerals listed is characteristic of phosphorites?

Which of the following is a common product of the weathering of silicate rocks?

The diagonal layers are called ________.

Which kind of rock forms almost entirely from the diagenesis of swamp vegetation?

Which of the following geologic processes causes the subsidence observed in newly forming rift valleys?

Coal is best classified as a(n) ___ sedimentary rock.

Why We Study Earth

How We Study Earth

Plate Tectonics: The Unifying Theory of Geology

Earth Materials: Minerals and Rocks

Igneous Processes and Volcanism

Deformation and Metamorphism

Timing the Geologic Record

History of Earth

The Climate System and Glaciation

The Hydrologic Cycle and Groundwater

Shaping Earths Surface: Streams, Coastlines, and Wind

Earthquakes and Earth Structure

Human Impact on Earths Environment

Filters

Exam 6: Sedimentation: Rocks Formed by Surface Processes

Bioturbation structures in sedimentary rock are evidence of

The pressure on sediment that is buried to a depth of 4 km is approximately ___ times atmospheric pressure.

In a desert environment, the primary transport agent is/are

Chemical sediments are more abundant than biological sediments.

Which of the minerals listed is characteristic of phosphorites?

Which of the following is a common product of the weathering of silicate rocks?

The diagonal layers are called ________.

Which kind of rock forms almost entirely from the diagenesis of swamp vegetation?

Which of the following geologic processes causes the subsidence observed in newly forming rift valleys?

Coal is best classified as a(n) ___ sedimentary rock.

Why We Study Earth

How We Study Earth

Plate Tectonics: The Unifying Theory of Geology

Earth Materials: Minerals and Rocks

Igneous Processes and Volcanism

Deformation and Metamorphism

Timing the Geologic Record

History of Earth

The Climate System and Glaciation

The Hydrologic Cycle and Groundwater

Shaping Earths Surface: Streams, Coastlines, and Wind

Earthquakes and Earth Structure

Human Impact on Earths Environment

Filters