Question 1

Prior to the collision of India and Asia,oceanic crust was subducted beneath

Accepted Answer

A) Asia. 
B) India. 
C) both Asia and India. 
D) neither Asia nor India. 
A) Asia. 
B) India. 
C) both Asia and India. 
D) neither Asia nor India. A

Question 2

Cratonic keels are _____ than normal mantle lithosphere,but have _____ chemical composition.

Accepted Answer

A) cooler; the same 
B) cooler; a different 
C) warmer; the same 
D) warmer; a different 
A) cooler; the same 
B) cooler; a different 
C) warmer; the same 
D) warmer; a different B

Question 3

Which of the following mountain belts formed as a result of a collision between two continents?

Accepted Answer

A) the Appalachians 
B) the Himalayas 
C) the Urals 
D) all of the above 
A) the Appalachians 
B) the Himalayas 
C) the Urals 
D) all of the above D

Question 4

Which of the following statements is true?

Accepted Answer

A) India is colliding with Asia at a rate of approximately 4 millimeters per year. 
B) India is colliding with Asia at a rate of approximately 4 centimeters per year. 
C) India is colliding with Asia at a rate of approximately 4 meters per year. 
D) India is no longer colliding with Asia. 
A) India is colliding with Asia at a rate of approximately 4 millimeters per year. 
B) India is colliding with Asia at a rate of approximately 4 centimeters per year. 
C) India is colliding with Asia at a rate of approximately 4 meters per year. 
D) India is no longer colliding with Asia.

Question 5

What would happen to cratonic keels if they had the same chemical composition as ordinary mantle peridotites?

Accepted Answer

A) They would melt. 
B) They would float. 
C) They would sink. 
D) Nothing would happen. 
A) They would melt. 
B) They would float. 
C) They would sink. 
D) Nothing would happen.

Question 6

The geologically stable areas of continental crust are referred to as

Accepted Answer

A) platforms. 
B) orogens. 
C) cratons. 
D) provinces. 
A) platforms. 
B) orogens. 
C) cratons. 
D) provinces.

Question 7

Which of the following regions is considered tectonically stable?

Accepted Answer

A) Appalachians 
B) Gulf of Mexico 
C) Rocky Mountains 
D) Greenland 
A) Appalachians 
B) Gulf of Mexico 
C) Rocky Mountains 
D) Greenland

Question 8

The oldest continental crust contains rocks as old as

Accepted Answer

A) 400 million years. 
B) 50 million years. 
C) 40 billion years. 
D) 4 billion years. 
A) 400 million years. 
B) 50 million years. 
C) 40 billion years. 
D) 4 billion years.

Question 9

What is meant by the tectonic age of a region?

Accepted Answer

A) the oldest rocks in the region 
B) the oldest major deformation event in the region 
C) the youngest rocks in the region 
D) the youngest major deformation event in the region 
A) the oldest rocks in the region 
B) the oldest major deformation event in the region 
C) the youngest rocks in the region 
D) the youngest major deformation event in the region

Question 10

Oceanic crust provides a record of approximately ___ of Earth's history.

Accepted Answer

A) 4% 
B) 25% 
C) 75% 
D) 95% 
A) 4% 
B) 25% 
C) 75% 
D) 95%

Question 11

Which of the following is not a common rock type in the Canadian Shield?

Accepted Answer

A) gneisses 
B) granitic rocks 
C) highly deformed metamorphosed volcanic rocks 
D) undeformed sedimentary rocks 
A) gneisses 
B) granitic rocks 
C) highly deformed metamorphosed volcanic rocks 
D) undeformed sedimentary rocks

Question 12

The present-day topography of the Basin and Range province formed during ______ time.

Accepted Answer

A) Cenozoic 
B) Mesozoic 
C) Paleozoic 
D) Precambrian 
A) Cenozoic 
B) Mesozoic 
C) Paleozoic 
D) Precambrian

Question 13

Which tectonic plate subducted beneath western North America as it was moving westward following the breakup of Pangea?

Accepted Answer

A) the Farallon Plate 
B) the Cocos Plate 
C) the Juan de Fuca Plate 
D) the Pacific Plate 
A) the Farallon Plate 
B) the Cocos Plate 
C) the Juan de Fuca Plate 
D) the Pacific Plate

Question 14

In which of the following regions would you expect to find the thickest sequence of sedimentary rocks?

Accepted Answer

A) along mid-ocean ridges 
B) in the middle of the ocean basin,away from a ridge 
C) on continental platforms 
D) on continental shelves 
A) along mid-ocean ridges 
B) in the middle of the ocean basin,away from a ridge 
C) on continental platforms 
D) on continental shelves

Question 15

Where is the Appalachian Fold Belt located?

Accepted Answer

A) in northern Canada 
B) along the Alaskan coastline 
C) in the Rocky Mountains 
D) extending from Newfoundland to Alabama 
A) in northern Canada 
B) along the Alaskan coastline 
C) in the Rocky Mountains 
D) extending from Newfoundland to Alabama

Question 16

An orogenic belt on Earth that is still actively growing today is

Accepted Answer

A) the North American Cordillera. 
B) the Alpine-Himalayan belt. 
C) the Appalachian Fold belt. 
D) the Variscan Fold belt. 
A) the North American Cordillera. 
B) the Alpine-Himalayan belt. 
C) the Appalachian Fold belt. 
D) the Variscan Fold belt.

Question 17

What sort of tectonic province is the Basin and Range province?

Accepted Answer

A) continental basin 
B) platform 
C) extended crust 
D) phanerozoic orogeny 
A) continental basin 
B) platform 
C) extended crust 
D) phanerozoic orogeny

Question 18

Which of the following geologic events occurred most recently?

Accepted Answer

A) the collision of Laurasia and Gondwana 
B) the faulting of the Basin and Range province 
C) the initial rifting of the Atlantic Ocean 
D) the magmatism in the Canadian Shield 
A) the collision of Laurasia and Gondwana 
B) the faulting of the Basin and Range province 
C) the initial rifting of the Atlantic Ocean 
D) the magmatism in the Canadian Shield

Question 19

In which of the following regions is new material currently being added to the crust?

Accepted Answer

A) the Appalachian Mountains 
B) the Cascade Range 
C) the Canadian Shield 
D) the Rocky Mountains 
A) the Appalachian Mountains 
B) the Cascade Range 
C) the Canadian Shield 
D) the Rocky Mountains

Question 20

Which of the following mountain chains was the result of a continental collision during the assembly of the supercontinent Pangaea?

Accepted Answer

A) the Andes 
B) the Appalachians 
C) the Cordillera 
D) the Himalayas 
A) the Andes 
B) the Appalachians 
C) the Cordillera 
D) the Himalayas

Exam 10: History of the Continents

Prior to the collision of India and Asia,oceanic crust was subducted beneath

Cratonic keels are _____ than normal mantle lithosphere,but have _____ chemical composition.

Which of the following mountain belts formed as a result of a collision between two continents?

Which of the following statements is true?

What would happen to cratonic keels if they had the same chemical composition as ordinary mantle peridotites?

The geologically stable areas of continental crust are referred to as

Which of the following regions is considered tectonically stable?

The oldest continental crust contains rocks as old as

What is meant by the tectonic age of a region?

Oceanic crust provides a record of approximately ___ of Earth's history.

Which of the following is not a common rock type in the Canadian Shield?

The present-day topography of the Basin and Range province formed during ______ time.

Which tectonic plate subducted beneath western North America as it was moving westward following the breakup of Pangea?

In which of the following regions would you expect to find the thickest sequence of sedimentary rocks?

Where is the Appalachian Fold Belt located?

An orogenic belt on Earth that is still actively growing today is

What sort of tectonic province is the Basin and Range province?

Which of the following geologic events occurred most recently?

In which of the following regions is new material currently being added to the crust?

Which of the following mountain chains was the result of a continental collision during the assembly of the supercontinent Pangaea?

The Earth System

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

Cratonic keels are _ than normal mantle lithosphere,but have _ chemical composition.