Question 1

Plates are sliding past one another horizontally along a_________ plate boundary.

Accepted Answer

A)   transform
B)   subduction
C)   divergent
D)   convergentE) None of the above
F) All of the above

Question 2

What is the cause of the magmas currently erupting in the Hawaiian Islands?

Accepted Answer

A)   flux- melting associated with subduction and a convergence between two sub- plates in the Pacific basin
B)   shallow decompression melting along a mid- Pacific ridge, spreading NE- SW
C)   shear melting associated with a mid- Pacific transform fault
D)   shallow decompression melting of a fixed mantle plume, with magmas rising through the NW- moving Pacific plateE) C) and D)
F) None of the above

Question 3

What do the data points signify on the apparent polar wandering curves for Eurasia and North America?

Accepted Answer

A)   where the north magnetic pole appears to be located as viewed from various locations on different continents of the northern hemisphere today
B)   laboratory locations where Eurasian and North America rock samples were taken to be tested
C)   the apparent positions for the north magnetic pole at various times in the past, from paleomagnetic measurements on different rock sequences in Eurasia and North America
D)   where the north magnetic pole will be at various times in the future if North America keeps moving east and Eurasia keeps moving westE) A) and B)
F) A) and C)

Question 4

Deep focus earthquakes are associated with a _________plate boundary.

Accepted Answer

The answer of Deep focus earthquakes are associated with a...

Question 5

Where lithosphere is sinking into the mantle, it is a __________plate boundary.

Accepted Answer

A)   convergent
B)   divergent
C)   strike- slip
D)   transformE) B) and D)
F) C) and D)

Question 6

Plates are moving apart from one another with a ________plate boundary.

Accepted Answer

A)   convergent
B)   divergent
C)   transform
D)   strike- slipE) A) and D)
F) B) and D)

Question 7

How can you tell from the apparent polar wandering curves for Eurasia and North America, when they were last together and had just started to drift apart?

Accepted Answer

A)   more than 500 million years ago, because the curves are separated then
B)   just recently, when the curves came together
C)   about 300 million years ago, because the curves really bend before that
D)   about 200 million years ago because, for times older than that, their curves remain parallel and about the same distance apartE) A) and B)
F) A) and C)

Question 8

Early results of the Deep Sea Drilling Project clearly justified the conclusion that ______.

Accepted Answer

A)   the oceans have not always contained most of Earth's water
B)   Proterozoic rocks are found only as seamounts in the deepest parts of the ocean basins
C)   the youngest sediments were deposited directly on the oldest seafloor basalts
D)   the ocean basins are geologically young (<Cretaceous)  and become younger towards the ridgeE) All of the above
F) C) and D)

Question 9

The__________ were formed in the late Paleozoic when sediments in a marine basin were squeezed and crumpled between the converging continents of Europe and Asia.

Accepted Answer

A)   Urals in Russia
B)   Andes in South America
C)   Alps in Europe
D)   northern Canadian RockiesE) B) and D)
F) B) and C)

Question 10

The distance between Halifax and London UK________ each year due to plate movements.

Accepted Answer

A)   increases two metres
B)   increases two centimetres
C)   decreases eight meters
D)   decreases two centimetresE) C) and D)
F) B) and D)

Question 11

Linear, magnetic patterns associated with mid- ocean ridges are configured as _________.

Accepted Answer

A)   normal and reversed magnetized stripes roughly parallel to the ridge
B)   normal and reversed magnetized stripes roughly perpendicular to the ridge axis
C)   concentric circles about a rising plume of hot, mantle magma
D)   reversed magnetizations along the present day rift valleys and normal magnetizations along the adjacent ridgeE) C) and D)
F) B) and D)

Question 12

The mid- Atlantic ridge is a __________plate boundary.

Accepted Answer

A)   strike- slip
B)   convergent
C)   transform
D)   divergentE) A) and C)
F) None of the above

Question 13

New oceanic crust and lithosphere are formed at_________ .

Accepted Answer

A)   divergent boundaries by submarine eruptions and intrusions of basaltic magma
B)   convergent boundaries by submarine eruptions and intrusions of rhyolitic magma
C)   divergent boundaries by submarine eruptions and intrusions of rhyolitic magma
D)   convergent boundaries by submarine eruptions and intrusions of basaltic magmaE) A) and B)
F) B) and C)

Question 14

In the early part of the 20th century, ______argued forcefully for continental drift.

Accepted Answer

A)   Bill Kohl
B)   Alfred Wegener
C)   Peter Rommel
D)   Karl WagnerE) A) and D)
F) A) and C)

Question 15

The _________is (are)  a logical evolutionary analog of the African Rift Valleys ten million years from now.

Accepted Answer

A)   Peru-Chile trench
B)   Red Sea
C)   Ural Mountains
D)   San Andreas faultE) A) and B)
F) A) and C)

Question 16

Early results of the Deep Sea Drilling Program clearly justified the conclusion that_______ .

Accepted Answer

A)   the oceans have not always contained most of Earth's water
B)   proterozoic rocks are found only as seamounts in the deepest parts of the ocean basins
C)   the ocean basins are relatively young; most ocean basin rocks and sediments are Cretaceous or younger in age
D)   the youngest sediments were deposited directly on the oldest seafloor basaltsE) B) and C)
F) A) and C)

Question 17

All of the following are evidence supporting the theory of plate tectonics except for ____________.

Accepted Answer

A)   hot spots
B)   changes in the Moon's orbit due to shifting plates
C)   ocean floor drilling
D)   measurements of plate motionsE) All of the above
F) B) and C)

Exam 3: Igneous Rocks

The mid- Atlantic ridge is a __________plate boundary.

Correct Answer
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Plates are sliding past one another horizontally along a_________ plate boundary.

Correct Answer
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Linear, magnetic patterns associated with mid- ocean ridges are configured as _________.

Correct Answer
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New oceanic crust and lithosphere are formed at_________ .

Correct Answer
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How can you tell from the apparent polar wandering curves for Eurasia and North America, when they were last together and had just started to drift apart?

Correct Answer
verified

The distance between Halifax and London UK________ each year due to plate movements.

Correct Answer
verified

The _________is (are) a logical evolutionary analog of the African Rift Valleys ten million years from now.

Correct Answer
verified

Where lithosphere is sinking into the mantle, it is a __________plate boundary.

Correct Answer
verified

Early results of the Deep Sea Drilling Program clearly justified the conclusion that_______ .

Correct Answer
verified

Early results of the Deep Sea Drilling Project clearly justified the conclusion that ______.

Correct Answer
verified

What is the cause of the magmas currently erupting in the Hawaiian Islands?

Correct Answer
verified

What do the data points signify on the apparent polar wandering curves for Eurasia and North America?

Correct Answer
verified

In the early part of the 20th century, ______argued forcefully for continental drift.

Correct Answer
verified

All of the following are evidence supporting the theory of plate tectonics except for ____________.

Correct Answer
verified

Deep focus earthquakes are associated with a _________plate boundary.

Correct Answer
verified

The__________ were formed in the late Paleozoic when sediments in a marine basin were squeezed and crumpled between the converging continents of Europe and Asia.

Correct Answer
verified

Plates are moving apart from one another with a ________plate boundary.

Correct Answer
verified

Exam 3: Igneous Rocks

The mid- Atlantic ridge is a __________plate boundary.

Correct AnswerverifiedShow Answer

Plates are sliding past one another horizontally along a_________ plate boundary.

Correct AnswerverifiedShow Answer

Linear, magnetic patterns associated with mid- ocean ridges are configured as _________.

Correct AnswerverifiedShow Answer

New oceanic crust and lithosphere are formed at_________ .

Correct AnswerverifiedShow Answer

How can you tell from the apparent polar wandering curves for Eurasia and North America, when they were last together and had just started to drift apart?

Correct AnswerverifiedShow Answer

The distance between Halifax and London UK________ each year due to plate movements.

Correct AnswerverifiedShow Answer

The _________is (are) a logical evolutionary analog of the African Rift Valleys ten million years from now.

Correct AnswerverifiedShow Answer

Where lithosphere is sinking into the mantle, it is a __________plate boundary.

Correct AnswerverifiedShow Answer

Early results of the Deep Sea Drilling Program clearly justified the conclusion that_______ .

Correct AnswerverifiedShow Answer

Early results of the Deep Sea Drilling Project clearly justified the conclusion that ______.

Correct AnswerverifiedShow Answer

What is the cause of the magmas currently erupting in the Hawaiian Islands?

Correct AnswerverifiedShow Answer

What do the data points signify on the apparent polar wandering curves for Eurasia and North America?

Correct AnswerverifiedShow Answer

In the early part of the 20th century, ______argued forcefully for continental drift.

Correct AnswerverifiedShow Answer

All of the following are evidence supporting the theory of plate tectonics except for ____________.

Correct AnswerverifiedShow Answer

Deep focus earthquakes are associated with a _________plate boundary.

Correct AnswerverifiedShow Answer

The__________ were formed in the late Paleozoic when sediments in a marine basin were squeezed and crumpled between the converging continents of Europe and Asia.

Correct AnswerverifiedShow Answer

Plates are moving apart from one another with a ________plate boundary.

Correct AnswerverifiedShow Answer

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