Question 1

Which of the following sedimentary features can each be used to determine paleocurrent directions?

Accepted Answer

A)  mud cracks and ripple marks 
B)  grain size sorting and ripple marks 
C)  fossils and mud cracks 
D)  ripple marks and cross stratification 
A)  mud cracks and ripple marks 
B)  grain size sorting and ripple marks 
C)  fossils and mud cracks 
D)  ripple marks and cross stratification

Question 2

Of sedimentary rocks, what proportion are sandstones?

Accepted Answer

A)  20% 
B)  50% 
C)  75% 
D)  2% 
A)  20% 
B)  50% 
C)  75% 
D)  2%

Question 3

The simple addition of mineral matter to living things with open pores like bone or wood is called_______

Accepted Answer

A)  putrification 
B)  carbonization 
C)  replacement 
D)  petrification 
A)  putrification 
B)  carbonization 
C)  replacement 
D)  petrification

Question 4

Which sedimentary rock forms by lithification of gravels?

Accepted Answer

The answer of Which sedimentary rock forms by lithification of...

Question 5

What proportion of sedimentary rocks are "limestones"?

Accepted Answer

A)  50% 
B)  5% 
C)  20% 
D)  10% 
A)  50% 
B)  5% 
C)  20% 
D)  10%

Question 6

The soft- bodied fossils of the Burgess Shale were preserved by_________ as thin carbon films, due to the selective loss of more volatile components.

Accepted Answer

A)  carbonation 
B)  replacement 
C)  carbonization 
D)  petrification 
A)  carbonation 
B)  replacement 
C)  carbonization 
D)  petrification

Question 7

Beaches, bars, deltas, lagoons, and tidal flats are all________ environments.

Accepted Answer

A)  marine 
B)  continental 
C)  transitional 
D)  alcoholic 
A)  marine 
B)  continental 
C)  transitional 
D)  alcoholic

Question 8

What does poor sorting indicate in a sediment?

Accepted Answer

A)  there was no environment of deposition 
B)  a big velocity increase during deposition 
C)  that the particles are not the same shape but all the same size 
D)  short transport distance and/or very rapid deposition 
A)  there was no environment of deposition 
B)  a big velocity increase during deposition 
C)  that the particles are not the same shape but all the same size 
D)  short transport distance and/or very rapid deposition

Question 9

Which of the following is most likely to be preserved as a carbonized impression?

Accepted Answer

A)  a buried log 
B)  an oyster shell 
C)  a dinosaur bone 
D)  a leaf 
A)  a buried log 
B)  an oyster shell 
C)  a dinosaur bone 
D)  a leaf

Question 10

What are the remains or impressions of once- living organisms preserved in sedimentary rocks?

Accepted Answer

The answer of What are the remains or impressions of...

Question 11

Hot regions having basins with limited input and restricted circulation tend to have________ deposits.

Accepted Answer

A)  limestone reef and bank 
B)  evaporite 
C)  sandy beach 
D)  glacial dropstone 
A)  limestone reef and bank 
B)  evaporite 
C)  sandy beach 
D)  glacial dropstone

Question 12

Which statement concerning sedimentary rocks is false?

Accepted Answer

A)  They may contain fossils that provide clues about ancient life forms. 
B)  They were originally deposited at depth below the bottom of the sea. 
C)  They probably show some evidence of stratification. 
D)  They are composed of materials derived from weathering and erosion of other rocks. 
A)  They may contain fossils that provide clues about ancient life forms. 
B)  They were originally deposited at depth below the bottom of the sea. 
C)  They probably show some evidence of stratification. 
D)  They are composed of materials derived from weathering and erosion of other rocks.

Question 13

What does a sand that is: very well rounded, well sorted, and quartz rich suggest?

Accepted Answer

A)  that it was derived from a young mountain belt with lots of granite 
B)  that it had a very high velocity of transport 
C)  that it has travelled a great distance in a uniform flow or has had more than one cycle of weathering, transport, and deposition. 
D)  that it has travelled a short distance and hasn't had time to get contaminated 
A)  that it was derived from a young mountain belt with lots of granite 
B)  that it had a very high velocity of transport 
C)  that it has travelled a great distance in a uniform flow or has had more than one cycle of weathering, transport, and deposition. 
D)  that it has travelled a short distance and hasn't had time to get contaminated

Question 14

Which of the following sedimentary features would typically be found in shales but not in sandstones?

Accepted Answer

A)  mud cracks 
B)  ripple marks 
C)  bedding 
D)  cross stratification 
A)  mud cracks 
B)  ripple marks 
C)  bedding 
D)  cross stratification

Question 15

Which sediment gets lithified to become conglomerate?

Accepted Answer

A)  sand 
B)  all clay- sized sediment 
C)  gravel 
D)  clay and fine silt 
A)  sand 
B)  all clay- sized sediment 
C)  gravel 
D)  clay and fine silt

Question 16

A succession of beds containing small scale asymmetric ripples that alternate their orientations are likely to be_________ .

Accepted Answer

A)  current ripple marks caused by reversing current directions or tides 
B)  oscillation ripple marks from gentle wave action in a shallow near shore environment 
C)  hummocks and indicates a deposit formed by storm enhanced waves or currents 
D)  cross- beds and indicates dunes, deltas, or migrating channels 
A)  current ripple marks caused by reversing current directions or tides 
B)  oscillation ripple marks from gentle wave action in a shallow near shore environment 
C)  hummocks and indicates a deposit formed by storm enhanced waves or currents 
D)  cross- beds and indicates dunes, deltas, or migrating channels

Question 17

Which of the following is the most common type of chemical sedimentary rock?

Accepted Answer

A)  phosphate rock 
B)  limestone 
C)  chert 
D)  quartz sandstone 
A)  phosphate rock 
B)  limestone 
C)  chert 
D)  quartz sandstone

Question 18

What do most limestones, gypsum, rock salts like halite or potash (sylvite), and chert have in common?

Accepted Answer

A)  They are all organic precipitates. 
B)  They are all formed by organisms on the ocean floor. 
C)  They are all directly pertinent to the global carbon cycle. 
D)  They are all considered chemical or biochemical sediments. 
A)  They are all organic precipitates. 
B)  They are all formed by organisms on the ocean floor. 
C)  They are all directly pertinent to the global carbon cycle. 
D)  They are all considered chemical or biochemical sediments.

Question 19

What does the upper bedding plane on a sediment layer indicate?

Accepted Answer

A)  a succession of three or more different facies 
B)  a single episode of sedimentation 
C)  an end to that cycle of sedimentation or a hiatus in deposition 
D)  a geologic catastrophe 
A)  a succession of three or more different facies 
B)  a single episode of sedimentation 
C)  an end to that cycle of sedimentation or a hiatus in deposition 
D)  a geologic catastrophe

Question 20

Oolitic limestone is most likely to form in what type of depositional environment?

Accepted Answer

A)  acidic, organic- rich waters in freshwater swamps and bogs 
B)  deep, marine waters below most wave action 
C)  shallow, clear, marine waters with vigorous current activity 
D)  quiet, muddy, lagoons and bays 
A)  acidic, organic- rich waters in freshwater swamps and bogs 
B)  deep, marine waters below most wave action 
C)  shallow, clear, marine waters with vigorous current activity 
D)  quiet, muddy, lagoons and bays

Which of the following sedimentary features can each be used to determine paleocurrent directions?

Of sedimentary rocks, what proportion are sandstones?

The simple addition of mineral matter to living things with open pores like bone or wood is called_______

Which sedimentary rock forms by lithification of gravels?

What proportion of sedimentary rocks are "limestones"?

The soft- bodied fossils of the Burgess Shale were preserved by_________ as thin carbon films, due to the selective loss of more volatile components.

Beaches, bars, deltas, lagoons, and tidal flats are all________ environments.

What does poor sorting indicate in a sediment?

Which of the following is most likely to be preserved as a carbonized impression?

What are the remains or impressions of once- living organisms preserved in sedimentary rocks?

Hot regions having basins with limited input and restricted circulation tend to have________ deposits.

Which statement concerning sedimentary rocks is false?

What does a sand that is: very well rounded, well sorted, and quartz rich suggest?

Which of the following sedimentary features would typically be found in shales but not in sandstones?

Which sediment gets lithified to become conglomerate?

A succession of beds containing small scale asymmetric ripples that alternate their orientations are likely to be_________ .

Which of the following is the most common type of chemical sedimentary rock?

What do most limestones, gypsum, rock salts like halite or potash (sylvite), and chert have in common?

What does the upper bedding plane on a sediment layer indicate?

Oolitic limestone is most likely to form in what type of depositional environment?

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 17: Glaciers and Glaciation

Which of the following sedimentary features can each be used to determine paleocurrent directions?

Of sedimentary rocks, what proportion are sandstones?

The simple addition of mineral matter to living things with open pores like bone or wood is called_______

Which sedimentary rock forms by lithification of gravels?

What proportion of sedimentary rocks are "limestones"?

The soft- bodied fossils of the Burgess Shale were preserved by_________ as thin carbon films, due to the selective loss of more volatile components.

Beaches, bars, deltas, lagoons, and tidal flats are all________ environments.

What does poor sorting indicate in a sediment?

Which of the following is most likely to be preserved as a carbonized impression?

What are the remains or impressions of once- living organisms preserved in sedimentary rocks?

Hot regions having basins with limited input and restricted circulation tend to have________ deposits.

Which statement concerning sedimentary rocks is false?

What does a sand that is: very well rounded, well sorted, and quartz rich suggest?

Which of the following sedimentary features would typically be found in shales but not in sandstones?

Which sediment gets lithified to become conglomerate?

A succession of beds containing small scale asymmetric ripples that alternate their orientations are likely to be_________ .

Which of the following is the most common type of chemical sedimentary rock?

What do most limestones, gypsum, rock salts like halite or potash (sylvite), and chert have in common?

What does the upper bedding plane on a sediment layer indicate?

Oolitic limestone is most likely to form in what type of depositional environment?

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters