Question 1

The Columbia Plateau in Washington and Oregon is __________.

Accepted Answer

A) a thick stack of welded- tuff layers 
B) a field of large stratovolcanoes 
C) a caldera filled with rhyolite lava flows 
D) a flood basalt plateau 
A) a thick stack of welded- tuff layers 
B) a field of large stratovolcanoes 
C) a caldera filled with rhyolite lava flows 
D) a flood basalt plateau

Question 2

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below.
-What is the name of the chain of volcanoes below that forms at an oceanic to continental plate boundary?

Accepted Answer

continenta

Question 3

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below.
-What type of volcano is shown in the diagram below?

Accepted Answer

The answer of Use complete sentences, correct spelling, and the...

Question 4

Which was the most powerful, explosive volcanic eruption of historic time?

Accepted Answer

A) Nevado del Ruiz, Colombia, 1985 
B) Vesuvius, Italy, 79 A. D. 
C) Mt. Pele, Martinique, 1902 
D) Tambora, Indonesia, 1815 
A) Nevado del Ruiz, Colombia, 1985 
B) Vesuvius, Italy, 79 A. D. 
C) Mt. Pele, Martinique, 1902 
D) Tambora, Indonesia, 1815

Question 5

Mount St. Helens is _________ .

Accepted Answer

A) an explosive stratovolcano 
B) a basaltic shield volcano 
C) a small, welded tuff cone 
D) a basaltic cinder cone 
A) an explosive stratovolcano 
B) a basaltic shield volcano 
C) a small, welded tuff cone 
D) a basaltic cinder cone

Question 6

A _________ volcano is a very large, gently sloping mound composed mainly of basaltic lava flows.

Accepted Answer

A) shield 
B) cinder cone 
C) stratospheric 
D) composite 
A) shield 
B) cinder cone 
C) stratospheric 
D) composite

Question 7

________is the most abundant gaseous component dissolved in most magmas.

Accepted Answer

The answer of ________is the most abundant gaseous component dissolved...

Question 8

Pockets of magmas can be formed by the melting of deep continental crust heated by the intrusion of other magmas. Which of the following correctly describes this process?

Accepted Answer

A) Intrusion of diorite magma causes basalt magma to melt from peridotite. 
B) Intruded rhyolite magma causes basalt magma to form by melting of granite. 
C) Intrusion of basaltic magma causes deep crustal rocks to melt, producing andesitic or rhyolitic magmas. 
D) All of the above correctly describe the process. 
A) Intrusion of diorite magma causes basalt magma to melt from peridotite. 
B) Intruded rhyolite magma causes basalt magma to form by melting of granite. 
C) Intrusion of basaltic magma causes deep crustal rocks to melt, producing andesitic or rhyolitic magmas. 
D) All of the above correctly describe the process.

Question 9

________magma is the most abundant type of erupted at oceanic spreading centers.

Accepted Answer

A) Andesitic 
B) Basaltic 
C) Pegmatitic 
D) Granitic 
A) Andesitic 
B) Basaltic 
C) Pegmatitic 
D) Granitic

Question 10

Which of the following best describes Shiprock, a famous volcanic feature in New Mexico?

Accepted Answer

A) the eroded remains of a volcanic pipe and radiating dikes 
B) a very recently active, basaltic cinder cone 
C) an extinct, massive, rhyolitic shield volcano 
D) an extinct, highly symmetrical, composite volcanic cone 
A) the eroded remains of a volcanic pipe and radiating dikes 
B) a very recently active, basaltic cinder cone 
C) an extinct, massive, rhyolitic shield volcano 
D) an extinct, highly symmetrical, composite volcanic cone

Question 11

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below.
-What type of volcano is shown in the diagram below?

Accepted Answer

The answer of Use complete sentences, correct spelling, and the...

Question 12

Which of the following is associated with deep mantle hot spots?

Accepted Answer

A) Mount St. Helens and other volcanoes of the Cascade Mountains 
B) the volcanoes of Hawaii and Quaternary activity in Yellowstone National Park 
C) the very young cinder cones scattered across the southwestern United States 
D) Vesuvius and the other volcanoes of Italy 
A) Mount St. Helens and other volcanoes of the Cascade Mountains 
B) the volcanoes of Hawaii and Quaternary activity in Yellowstone National Park 
C) the very young cinder cones scattered across the southwestern United States 
D) Vesuvius and the other volcanoes of Italy

Question 13

________are usually the most abundant gases emitted during basaltic volcanism.

Accepted Answer

A) Water and carbon dioxide 
B) Neon and ammonia 
C) Oxygen and nitrogen 
D) Chlorine and sodium 
A) Water and carbon dioxide 
B) Neon and ammonia 
C) Oxygen and nitrogen 
D) Chlorine and sodium

Question 14

In 1980, ________was the first Cascade Range volcano to erupt since Mt. Lassen, California, in 1915- 16.

Accepted Answer

A) Mt. St. Helens 
B) Mt. Rainier 
C) Kilauea 
D) Mt. Shasta 
A) Mt. St. Helens 
B) Mt. Rainier 
C) Kilauea 
D) Mt. Shasta

Question 15

Which kind of volcanism is typical of mid- oceanic ridge systems?

Accepted Answer

A) fissure eruptions; flood basalts fields 
B) explosive; rhyolitic, pyroclastic flows 
C) explosive; composite cones 
D) submarine; basaltic lava flows 
A) fissure eruptions; flood basalts fields 
B) explosive; rhyolitic, pyroclastic flows 
C) explosive; composite cones 
D) submarine; basaltic lava flows

Question 16

Why would a plume of solid silicate rock rising slowly from deep in the mantle begin melting as it neared the base of the lithosphere?

Accepted Answer

A) Temperatures remain high because of the geothermal gradient. 
B) The rock heats up and expands at lower pressures, causing it to liquefy. 
C) The lowered pressures cause rapid heat loss accompanied by melting. 
D) none of the above 
A) Temperatures remain high because of the geothermal gradient. 
B) The rock heats up and expands at lower pressures, causing it to liquefy. 
C) The lowered pressures cause rapid heat loss accompanied by melting. 
D) none of the above

Question 17

Which region has the greatest concentration of currently active volcanoes?

Accepted Answer

A) European Russia and Siberia 
B) the coastal plain of western Africa 
C) the area surrounding the Red Sea 
D) the circum- Pacific area 
A) European Russia and Siberia 
B) the coastal plain of western Africa 
C) the area surrounding the Red Sea 
D) the circum- Pacific area

Question 18

Which kind of eruptive activity is most likely to be highly explosive?

Accepted Answer

A) lava flows from a large cinder cone complex 
B) fissure eruptions feeding lava to flood basalt accumulations 
C) eruptions of big, continental margin, composite cones or stratovolcanoes 
D) lava flows from a large shield volcano on an oceanic island 
A) lava flows from a large cinder cone complex 
B) fissure eruptions feeding lava to flood basalt accumulations 
C) eruptions of big, continental margin, composite cones or stratovolcanoes 
D) lava flows from a large shield volcano on an oceanic island

Question 19

Which one of the following statements concerning cinder cones is FALSE?

Accepted Answer

A) The cinders most commonly are basaltic. 
B) The cinders and other pyroclastic particles are consolidated into welded tuff. 
C) They are small volcanoes with fairly steep sides. 
D) They are built mostly or entirely during one eruptive cycle. 
A) The cinders most commonly are basaltic. 
B) The cinders and other pyroclastic particles are consolidated into welded tuff. 
C) They are small volcanoes with fairly steep sides. 
D) They are built mostly or entirely during one eruptive cycle.

Question 20

The average composition of rocks comprising a large composite cone or stratovolcano is similar to a(n)________magma.

Accepted Answer

A) andesitic 
B) rhyolitic 
C) ultramafic 
D) basaltic 
A) andesitic 
B) rhyolitic 
C) ultramafic 
D) basaltic

The Columbia Plateau in Washington and Oregon is __________.

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below. -What is the name of the chain of volcanoes below that forms at an oceanic to continental plate boundary?

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below. -What type of volcano is shown in the diagram below?

Which was the most powerful, explosive volcanic eruption of historic time?

Mount St. Helens is _________ .

A _________ volcano is a very large, gently sloping mound composed mainly of basaltic lava flows.

________is the most abundant gaseous component dissolved in most magmas.

Pockets of magmas can be formed by the melting of deep continental crust heated by the intrusion of other magmas. Which of the following correctly describes this process?

________magma is the most abundant type of erupted at oceanic spreading centers.

Which of the following best describes Shiprock, a famous volcanic feature in New Mexico?

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below. -What type of volcano is shown in the diagram below?

Which of the following is associated with deep mantle hot spots?

________are usually the most abundant gases emitted during basaltic volcanism.

In 1980, ________was the first Cascade Range volcano to erupt since Mt. Lassen, California, in 1915- 16.

Which kind of volcanism is typical of mid- oceanic ridge systems?

Why would a plume of solid silicate rock rising slowly from deep in the mantle begin melting as it neared the base of the lithosphere?

Which region has the greatest concentration of currently active volcanoes?

Which kind of eruptive activity is most likely to be highly explosive?

Which one of the following statements concerning cinder cones is FALSE?

The average composition of rocks comprising a large composite cone or stratovolcano is similar to a(n)________magma.

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters

Exam 5: Volcanoes and Volcanic Hazards

The Columbia Plateau in Washington and Oregon is __________.

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below. -What is the name of the chain of volcanoes below that forms at an oceanic to continental plate boundary?

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below. -What type of volcano is shown in the diagram below?

Which was the most powerful, explosive volcanic eruption of historic time?

Mount St. Helens is _________ .

A _________ volcano is a very large, gently sloping mound composed mainly of basaltic lava flows.

________is the most abundant gaseous component dissolved in most magmas.

Pockets of magmas can be formed by the melting of deep continental crust heated by the intrusion of other magmas. Which of the following correctly describes this process?

________magma is the most abundant type of erupted at oceanic spreading centers.

Which of the following best describes Shiprock, a famous volcanic feature in New Mexico?

Use complete sentences, correct spelling, and the information presented in chapter 5 to answer the questions below. -What type of volcano is shown in the diagram below?

Which of the following is associated with deep mantle hot spots?

________are usually the most abundant gases emitted during basaltic volcanism.

In 1980, ________was the first Cascade Range volcano to erupt since Mt. Lassen, California, in 1915- 16.

Which kind of volcanism is typical of mid- oceanic ridge systems?

Why would a plume of solid silicate rock rising slowly from deep in the mantle begin melting as it neared the base of the lithosphere?

Which region has the greatest concentration of currently active volcanoes?

Which kind of eruptive activity is most likely to be highly explosive?

Which one of the following statements concerning cinder cones is FALSE?

The average composition of rocks comprising a large composite cone or stratovolcano is similar to a(n)________magma.

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Igneous Rocks and Intrusive Activity

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters