Question 1

Shield volcanoes are built up primarily by relatively

Accepted Answer

A) nonexplosive outpourings of lava. 
B) explosive ash-forming eruptions. 
C) high-viscosity dome-forming eruptions. 
A) nonexplosive outpourings of lava. 
B) explosive ash-forming eruptions. 
C) high-viscosity dome-forming eruptions.

Question 2

Which of the following are true of felsic magmas?

Accepted Answer

A) They tend to have high viscosities. 
B) They do not allow gas bubbles to escape easily. 
C) High gas pressures commonly lead to highly explosive eruptions. 
D) All of these are correct. 
A) They tend to have high viscosities. 
B) They do not allow gas bubbles to escape easily. 
C) High gas pressures commonly lead to highly explosive eruptions. 
D) All of these are correct.

Question 3

Flood basalt eruptions are fed by

Accepted Answer

A) long fissures/dikes. 
B) lava tubes. 
C) central vents/craters. 
A) long fissures/dikes. 
B) lava tubes. 
C) central vents/craters.

Question 4

The type of structure shown in this figure is a(n)

Accepted Answer

A) thrust fault. 
B) anticline. 
C) syncline. 
D) monocline. 
E) basin. 
A) thrust fault. 
B) anticline. 
C) syncline. 
D) monocline. 
E) basin.

Question 5

A fold that has only one dipping segment is a(n)

Accepted Answer

A) anticline. 
B) syncline. 
C) monocline. 
A) anticline. 
B) syncline. 
C) monocline.

Question 6

Which of the following features was most likely the cause of the earthquake in the Investigation?

Accepted Answer

A) Oceanic trench 
B) Collapse of hills along the shoreline 
C) Faulting along a line of cliffs 
D) A landslide off Red Mesa 
E) Earthquakes from within Lava Mountain 
A) Oceanic trench 
B) Collapse of hills along the shoreline 
C) Faulting along a line of cliffs 
D) A landslide off Red Mesa 
E) Earthquakes from within Lava Mountain

Question 7

Eruptions on the island of Santorini in Greece resulted in

Accepted Answer

A) Collapse of a huge caldera that caused part of an island to disappear beneath the sea. 
B) A huge ash column and pyroclastic flows. 
C) Destructive waves that traveled across the sea. 
D) All of these are correct. 
A) Collapse of a huge caldera that caused part of an island to disappear beneath the sea. 
B) A huge ash column and pyroclastic flows. 
C) Destructive waves that traveled across the sea. 
D) All of these are correct.

Question 8

Sudden movement on a fault can cause a tsunami when

Accepted Answer

A) a hurricane or cyclone is occurring. 
B) the fault suddenly uplifts or downdrops the seafloor. 
C) hot water trapped below the seafloor is released. 
D) a fault on land has a large displacement. 
E) None of these are correct. 
A) a hurricane or cyclone is occurring. 
B) the fault suddenly uplifts or downdrops the seafloor. 
C) hot water trapped below the seafloor is released. 
D) a fault on land has a large displacement. 
E) None of these are correct.

Question 9

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 10

The type of stress that causes most folding is

Accepted Answer

A) tension. 
B) compression. 
C) confining pressure. 
D) fluid pressure. 
A) tension. 
B) compression. 
C) confining pressure. 
D) fluid pressure.

Question 11

What causes the stress that forms joints?

Accepted Answer

A) Burial and tectonic forces 
B) Cooling and contraction 
C) Uplift and unloading of pressure 
D) All of these are correct. 
E) None of these are correct. 
A) Burial and tectonic forces 
B) Cooling and contraction 
C) Uplift and unloading of pressure 
D) All of these are correct. 
E) None of these are correct.

Question 12

Long,thin lava flows are typically produced by

Accepted Answer

A) volatile-rich eruptions. 
B) high-viscosity lavas. 
C) low-viscosity lavas. 
D) collapsing eruption columns. 
A) volatile-rich eruptions. 
B) high-viscosity lavas. 
C) low-viscosity lavas. 
D) collapsing eruption columns.

Question 13

What type of eruption formed the volcano in this photograph?

Accepted Answer

A) Fluid lava flows 
B) Viscous lava and pyroclastic eruptions 
C) Lava fountains 
D) Fissure eruptions 
E) Eruptions beneath the seafloor 
A) Fluid lava flows 
B) Viscous lava and pyroclastic eruptions 
C) Lava fountains 
D) Fissure eruptions 
E) Eruptions beneath the seafloor

Question 14

Which are true of faults?

Accepted Answer

A) A lateral fault may result from horizontal compression. 
B) Orientation of a fault depends on directions of stresses. 
C) Vertical compression may result in a more vertically oriented fault. 
D) These are all true of faults. 
A) A lateral fault may result from horizontal compression. 
B) Orientation of a fault depends on directions of stresses. 
C) Vertical compression may result in a more vertically oriented fault. 
D) These are all true of faults.

Question 15

Which of the following lists the four types of volcanoes shaped like hills and mountains?

Accepted Answer

A) Cinder cone,shield,composite,dome 
B) Fissure,shield,cinder cone,dome 
C) Crater,cinder cone,crater,dome 
A) Cinder cone,shield,composite,dome 
B) Fissure,shield,cinder cone,dome 
C) Crater,cinder cone,crater,dome

Question 16

If an area has shallow,intermediate,and deep earthquakes,what can you infer about the area?

Accepted Answer

A) It is near a subduction zone. 
B) The shallow earthquakes will be closer to the trench than deeper ones. 
C) The depth pattern of earthquakes can be used to determine which way the slab is inclined. 
D) This area has the potential for large earthquakes. 
E) All of these are correct. 
A) It is near a subduction zone. 
B) The shallow earthquakes will be closer to the trench than deeper ones. 
C) The depth pattern of earthquakes can be used to determine which way the slab is inclined. 
D) This area has the potential for large earthquakes. 
E) All of these are correct.

Question 17

What types of rocks would be most common in a composite volcano?

Accepted Answer

A) Scoria and other vesicular basalt 
B) Basalt mostly formed in lava flows 
C) Felsic and intermediate lava flows 
D) Pillow basalts 
E) None of these are correct. 
A) Scoria and other vesicular basalt 
B) Basalt mostly formed in lava flows 
C) Felsic and intermediate lava flows 
D) Pillow basalts 
E) None of these are correct.

Question 18

A volcanic neck can form by

Accepted Answer

A) erosion of the volcano,leaving behind the solidified conduit inside the volcano. 
B) erosion of overlying rock layers exposing the conduit below the volcano. 
C) Both of these are correct. 
A) erosion of the volcano,leaving behind the solidified conduit inside the volcano. 
B) erosion of overlying rock layers exposing the conduit below the volcano. 
C) Both of these are correct.

Question 19

Accepted Answer

A) thrust fault. 
B) anticline. 
C) syncline. 
D) monocline. 
E) basin. 
A) thrust fault. 
B) anticline. 
C) syncline. 
D) monocline. 
E) basin.

Question 20

Shield volcanoes commonly involve

Accepted Answer

A) fluid lava flows. 
B) volcanic domes. 
C) viscous lava flows. 
D) pyroclastic flows. 
E) All of these are correct. 
A) fluid lava flows. 
B) volcanic domes. 
C) viscous lava flows. 
D) pyroclastic flows. 
E) All of these are correct.

Shield volcanoes are built up primarily by relatively

Which of the following are true of felsic magmas?

Flood basalt eruptions are fed by

The type of structure shown in this figure is a(n)

A fold that has only one dipping segment is a(n)

Which of the following features was most likely the cause of the earthquake in the Investigation?

Eruptions on the island of Santorini in Greece resulted in

Sudden movement on a fault can cause a tsunami when

Why is there a basin associated with some thrust faults?

The type of stress that causes most folding is

What causes the stress that forms joints?

Long,thin lava flows are typically produced by

What type of eruption formed the volcano in this photograph?

Which are true of faults?

Which of the following lists the four types of volcanoes shaped like hills and mountains?

If an area has shallow,intermediate,and deep earthquakes,what can you infer about the area?

What types of rocks would be most common in a composite volcano?

A volcanic neck can form by

Shield volcanoes commonly involve

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Exam 11: Volcanoes,deformation,and Earthquakes

Shield volcanoes are built up primarily by relatively

Which of the following are true of felsic magmas?

Flood basalt eruptions are fed by

The type of structure shown in this figure is a(n)

A fold that has only one dipping segment is a(n)

Which of the following features was most likely the cause of the earthquake in the Investigation?

Eruptions on the island of Santorini in Greece resulted in

Sudden movement on a fault can cause a tsunami when

Why is there a basin associated with some thrust faults?

The type of stress that causes most folding is

What causes the stress that forms joints?

Long,thin lava flows are typically produced by

What type of eruption formed the volcano in this photograph?

Which are true of faults?

Which of the following lists the four types of volcanoes shaped like hills and mountains?

If an area has shallow,intermediate,and deep earthquakes,what can you infer about the area?

What types of rocks would be most common in a composite volcano?

A volcanic neck can form by

Shield volcanoes commonly involve

The Nature of Physical Geography

Energy and Matter in the Atmosphere

Atmospheric Motion

Atmospheric Moisture

Weather Systems and Severe Weather

Atmosphere-Ocean-Cryosphere Interactions

Climates Around the World

Water Resources

Understanding Landscapes

Plate Tectonics and Regional Features

Weathering and Mass Wasting

Streams and Flooding

Glaciers and Glacial Landforms

Coasts and Changing Sea Levels

Soils

Ecosystems and Biogeochemical Cycles

Biomes

Filters