Question 1

Which statement best describes how region 3 will look in the future?

Accepted Answer

A) lower in elevation as thrusting thickens the crust 
B) higher in elevation because magma generated along a subduction zone will rise into and thicken the crust 
C) below or close to sea level as this area becomes part of an accretionary prism 
A) lower in elevation as thrusting thickens the crust 
B) higher in elevation because magma generated along a subduction zone will rise into and thicken the crust 
C) below or close to sea level as this area becomes part of an accretionary prism

Question 2

Which of the following correctly matches the tectonic setting of a mountain belt with an example?

Accepted Answer

A) subduction zone-East Africa 
B) continental collision-Andes Mountains 
C) mantle upwelling-Tibet 
D) all of these 
E) none of these 
A) subduction zone-East Africa 
B) continental collision-Andes Mountains 
C) mantle upwelling-Tibet 
D) all of these 
E) none of these

Question 3

The Himalaya are:

Accepted Answer

A) the highest mountain range in the world and contain Earth's highest peak 
B) near the Colorado Plateau,one of the world's largest plateaus 
C) underlain by abnormally thin lithosphere 
D) an ancient mountain range with most uplift occurring 200 million years ago 
E) all of these 
A) the highest mountain range in the world and contain Earth's highest peak 
B) near the Colorado Plateau,one of the world's largest plateaus 
C) underlain by abnormally thin lithosphere 
D) an ancient mountain range with most uplift occurring 200 million years ago 
E) all of these

Question 4

How did the Ural Mountains within the middle of the Eurasian plate form?

Accepted Answer

A) stresses from a distant plate boundary reactivated ancient faults 
B) the continent is beginning to break apart along a line of hot spots 
C) the area is presently a plate boundary 
D) two continents collided,trapping the mountain within the new,larger continent 
A) stresses from a distant plate boundary reactivated ancient faults 
B) the continent is beginning to break apart along a line of hot spots 
C) the area is presently a plate boundary 
D) two continents collided,trapping the mountain within the new,larger continent

Question 5

What geologic events are expressed in this cross section showing the interpreted geologic setting of the eastern U.S.during middle Paleozoic time?

Accepted Answer

A) the collision of an island arc with eastern North America 
B) the collision of a microcontinent with eastern North America 
C) a foreland basin 
D) a future continental collision 
E) all of these 
A) the collision of an island arc with eastern North America 
B) the collision of a microcontinent with eastern North America 
C) a foreland basin 
D) a future continental collision 
E) all of these

Question 6

Regional elevations on land are primarily controlled by:

Accepted Answer

A) the temperature of the crust 
B) whether the crust is old or was formed more recently 
C) whether the area is over a hot spot 
D) the thickness of continental crust 
A) the temperature of the crust 
B) whether the crust is old or was formed more recently 
C) whether the area is over a hot spot 
D) the thickness of continental crust

Question 7

Which of the following is NOT the name of a supercontinent?

Accepted Answer

A) Gondwana 
B) Laurasia 
C) Pangaea 
D) Rodinia 
E) Tethys 
A) Gondwana 
B) Laurasia 
C) Pangaea 
D) Rodinia 
E) Tethys

Question 8

Which of these numbered features is an accretionary prism?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 9

Which of the following is a characteristic of a terrane?

Accepted Answer

A) The boundaries of a terrane are generally major faults or shear zones. 
B) A terrane has the same sequence of rocks as adjacent areas. 
C) To be a terrane,the rocks must form in a deep marine environment. 
D) The layers and fossils in a terrane can be matched with those in adjacent areas. 
E) None of these. 
A) The boundaries of a terrane are generally major faults or shear zones. 
B) A terrane has the same sequence of rocks as adjacent areas. 
C) To be a terrane,the rocks must form in a deep marine environment. 
D) The layers and fossils in a terrane can be matched with those in adjacent areas. 
E) None of these.

Question 10

Which statement best describes how region 1 will look in the future?

Accepted Answer

A) higher in elevation because magma generated along a subduction zone will rise into and thicken the crust 
B) a deep basin that is underlain by oceanic crust and a thin sediment cover 
C) above sea level as this area becomes rifted apart 
A) higher in elevation because magma generated along a subduction zone will rise into and thicken the crust 
B) a deep basin that is underlain by oceanic crust and a thin sediment cover 
C) above sea level as this area becomes rifted apart

Question 11

If you erode material off of a region,it would:

Accepted Answer

A) thicken the crust 
B) thin the crust 
C) cause the region to increase in elevation 
D) none of these 
A) thicken the crust 
B) thin the crust 
C) cause the region to increase in elevation 
D) none of these

Question 12

What was the main tectonic setting of the western U.S.in early Paleozoic time?

Accepted Answer

A) continental collision 
B) transform fault 
C) passive margin 
D) the interior of a supercontinent 
A) continental collision 
B) transform fault 
C) passive margin 
D) the interior of a supercontinent

Question 13

During what time did the western U.S.experience a large amount of crustal extension?

Accepted Answer

A) middle Paleozoic 
B) early Mesozoic 
C) late Mesozoic 
D) middle and late Cenozoic 
A) middle Paleozoic 
B) early Mesozoic 
C) late Mesozoic 
D) middle and late Cenozoic

Question 14

Which of the following processes forms basins in an ocean-continent convergent boundary?

Accepted Answer

A) flexing and bending of the continental plate as it goes down into the subduction zone 
B) flexing of the continent by weight of the thrust sheets 
C) thinning of the lithosphere above the subduction zone 
D) thickening of the crust by magmas from the subduction zone 
A) flexing and bending of the continental plate as it goes down into the subduction zone 
B) flexing of the continent by weight of the thrust sheets 
C) thinning of the lithosphere above the subduction zone 
D) thickening of the crust by magmas from the subduction zone

Question 15

What geologic events are expressed in this cross section of the western U.S.in late Paleozoic - early Mesozoic time?

Accepted Answer

A) an old episode of continental rifting that lead to a passive margin 
B) collision of an island arc with western North America 
C) oceanic crust and sediment that was thrust onto North America 
D) a basin formed by the weight of thrust sheets 
E) all of these 
A) an old episode of continental rifting that lead to a passive margin 
B) collision of an island arc with western North America 
C) oceanic crust and sediment that was thrust onto North America 
D) a basin formed by the weight of thrust sheets 
E) all of these

Question 16

What type of basin is shown in this figure?

Accepted Answer

A) passive margin 
B) normal-fault basin 
C) foreland basin 
D) basin along a strike-slip fault 
A) passive margin 
B) normal-fault basin 
C) foreland basin 
D) basin along a strike-slip fault

Question 17

Why is there a basin associated with some thrust faults?

Accepted Answer

A) thrust faults thin the crust and cause subsidence 
B) thrust faults form passive margins 
C) thrust sheets depress the crust in front of the thrust 
D) thrust sheets form a continent rift 
A) thrust faults thin the crust and cause subsidence 
B) thrust faults form passive margins 
C) thrust sheets depress the crust in front of the thrust 
D) thrust sheets form a continent rift

Question 18

What can occur during the evolution of a hot spot?

Accepted Answer

A) an initial period of subsidence as magmas rise from the mantle 
B) formation of a fold and thrust belt 
C) formation of rifts that radiate out from the hot spot 
D) thickening of the crust beneath a passive margin 
E) none of these 
A) an initial period of subsidence as magmas rise from the mantle 
B) formation of a fold and thrust belt 
C) formation of rifts that radiate out from the hot spot 
D) thickening of the crust beneath a passive margin 
E) none of these

Question 19

Which feature on this figure formed entirely before joining of these two terranes?

Accepted Answer

A) sediment with fossils (F) 
B) the overlapping sedimentary unit (O) 
C) the pluton (P) 
D) the shear zone and fault (S) 
E) none of these 
A) sediment with fossils (F) 
B) the overlapping sedimentary unit (O) 
C) the pluton (P) 
D) the shear zone and fault (S) 
E) none of these

Question 20

Regional elevation can be decreased by:

Accepted Answer

A) normal faulting that thins the crust 
B) erosion 
C) cooling of the crust 
D) all of these 
A) normal faulting that thins the crust 
B) erosion 
C) cooling of the crust 
D) all of these

Which statement best describes how region 3 will look in the future?

Which of the following correctly matches the tectonic setting of a mountain belt with an example?

The Himalaya are:

How did the Ural Mountains within the middle of the Eurasian plate form?

What geologic events are expressed in this cross section showing the interpreted geologic setting of the eastern U.S.during middle Paleozoic time?

Regional elevations on land are primarily controlled by:

Which of the following is NOT the name of a supercontinent?

Which of these numbered features is an accretionary prism?

Which of the following is a characteristic of a terrane?

Which statement best describes how region 1 will look in the future?

If you erode material off of a region,it would:

What was the main tectonic setting of the western U.S.in early Paleozoic time?

During what time did the western U.S.experience a large amount of crustal extension?

Which of the following processes forms basins in an ocean-continent convergent boundary?

What geologic events are expressed in this cross section of the western U.S.in late Paleozoic - early Mesozoic time?

What type of basin is shown in this figure?

Why is there a basin associated with some thrust faults?

What can occur during the evolution of a hot spot?

Which feature on this figure formed entirely before joining of these two terranes?

Regional elevation can be decreased by:

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

The Seafloor and Continental Margins

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

Water Resources

Energy and Mineral Resources

Geology of the Solar System

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Exam 11: Mountains, basins, and Continents

Which statement best describes how region 3 will look in the future?

Which of the following correctly matches the tectonic setting of a mountain belt with an example?

The Himalaya are:

How did the Ural Mountains within the middle of the Eurasian plate form?

What geologic events are expressed in this cross section showing the interpreted geologic setting of the eastern U.S.during middle Paleozoic time?

Regional elevations on land are primarily controlled by:

Which of the following is NOT the name of a supercontinent?

Which of these numbered features is an accretionary prism?

Which of the following is a characteristic of a terrane?

Which statement best describes how region 1 will look in the future?

If you erode material off of a region,it would:

What was the main tectonic setting of the western U.S.in early Paleozoic time?

During what time did the western U.S.experience a large amount of crustal extension?

Which of the following processes forms basins in an ocean-continent convergent boundary?

What geologic events are expressed in this cross section of the western U.S.in late Paleozoic - early Mesozoic time?

What type of basin is shown in this figure?

Why is there a basin associated with some thrust faults?

What can occur during the evolution of a hot spot?

Which feature on this figure formed entirely before joining of these two terranes?

Regional elevation can be decreased by:

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

The Seafloor and Continental Margins

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

Water Resources

Energy and Mineral Resources

Geology of the Solar System

Filters