Question 1

The__________ is (are) characterized by terrane accretion that has been active throughout most of Mesozoic and Cenozoic time.

Accepted Answer

A)  western margin of North America 
B)  southern margins of India and Australia 
C)  western margin of the mid- Atlantic ridge 
D)  western margin of Africa 
A)  western margin of North America 
B)  southern margins of India and Australia 
C)  western margin of the mid- Atlantic ridge 
D)  western margin of Africa

Question 2

What is the Meguma Zone in Nova Scotia (and similar rocks beneath the more southerly, continental shelf off the US eastern seaboard) thought to represent?

Accepted Answer

A)  passive margin sequence from Gondwanaland as the Iapetus Ocean closed 
B)  Cretaceous and Tertiary shallow continental shelf deposits from North America's passive margin 
C)  passive margin sequence from Rodinia's rifted margin 
D)  Ordovician accretionary melange from the Taconic orogeny 
A)  passive margin sequence from Gondwanaland as the Iapetus Ocean closed 
B)  Cretaceous and Tertiary shallow continental shelf deposits from North America's passive margin 
C)  passive margin sequence from Rodinia's rifted margin 
D)  Ordovician accretionary melange from the Taconic orogeny

Question 3

According to the crustal, gravitational balance idea, which of the following statements is true?

Accepted Answer

A)  A mountain range undergoing erosion should uplift slowly. 
B)  The crust is thicker under a low lying plain than under a high standing plateau or mountain range. 
C)  As a continental ice sheet thickens, the land beneath should uplift slowly. 
D)  A basin being filled with sediments should uplift slowly. 
A)  A mountain range undergoing erosion should uplift slowly. 
B)  The crust is thicker under a low lying plain than under a high standing plateau or mountain range. 
C)  As a continental ice sheet thickens, the land beneath should uplift slowly. 
D)  A basin being filled with sediments should uplift slowly.

Question 4

The __________of the Appalachian orogen consists of North American, continental shelf strata deposited prior to the late Paleozoic collision with Gondwanaland (Africa).

Accepted Answer

A)  Dunnage Zone (Taconic phase) 
B)  Avalonia bock (Acadian phase) 
C)  Humber Zone (Valley and Ridge in US
A)  of folded sedimentary rocks on the eastern edge 
D)  Meguma Zone 
A)  Dunnage Zone (Taconic phase) 
B)  Avalonia bock (Acadian phase) 
C)  Humber Zone (Valley and Ridge in US
A)  of folded sedimentary rocks on the eastern edge 
D)  Meguma Zone

Question 5

Folded, fine grained turbidites that occur high in the Himalayas were originally deposited as sediments ____________.

Accepted Answer

A)  in a massive, Late Paleozoic syncline north of the Tibetan Plateau 
B)  in the accretionary wedge along the southern edge of Asia 
C)  along the shallow shoreline and continental shelf north of India 
D)  on the deep ocean abyssal plain south of India 
A)  in a massive, Late Paleozoic syncline north of the Tibetan Plateau 
B)  in the accretionary wedge along the southern edge of Asia 
C)  along the shallow shoreline and continental shelf north of India 
D)  on the deep ocean abyssal plain south of India

Question 6

A good example of a present- day, passive, trailing, continental margin is the__________ .

Accepted Answer

A)  east coast of the Japanese Islands 
B)  west coast of South America 
C)  north flank of the East Pacific Rise 
D)  west coast of Africa 
A)  east coast of the Japanese Islands 
B)  west coast of South America 
C)  north flank of the East Pacific Rise 
D)  west coast of Africa

Question 7

A(n)__________ is a thick accumulation of sediments and small, rootless, tectonic blocks formed of material scraped off a descending, lithospheric plate.

Accepted Answer

A)  continental shelf, terrain complex 
B)  accretionary- wedge complex 
C)  subterranean- accumulation complex 
D)  mass movement complex 
A)  continental shelf, terrain complex 
B)  accretionary- wedge complex 
C)  subterranean- accumulation complex 
D)  mass movement complex

Question 8

Active volcanic arcs above a young oceanic plate are associated with a(n) _________margin.

Accepted Answer

A)  continent- continent 
B)  divergent 
C)  continent- ocean 
D)  ocean- ocean 
A)  continent- continent 
B)  divergent 
C)  continent- ocean 
D)  ocean- ocean

Question 9

Which of the following geologic products or processes is not a result of mountain building?

Accepted Answer

A)  subsided sedimentary basins in the middle of continental cratons 
B)  building of a deep sea fan of turbidites offshore from a convergent continent- ocean margin 
C)  downdropped extensional grabens with playa lakes 
D)  exposure of belts of high pressure, Precambrian, igneous and metamorphic rocks within continental shield areas 
A)  subsided sedimentary basins in the middle of continental cratons 
B)  building of a deep sea fan of turbidites offshore from a convergent continent- ocean margin 
C)  downdropped extensional grabens with playa lakes 
D)  exposure of belts of high pressure, Precambrian, igneous and metamorphic rocks within continental shield areas

Question 10

What supercontinent drifted apart in the Proterozoic to form the first extensional phase of the Appalachian orogen?

Accepted Answer

A)  Pangaea 
B)  Laurasia 
C)  Gondwanaland 
D)  Rodinia 
A)  Pangaea 
B)  Laurasia 
C)  Gondwanaland 
D)  Rodinia

Question 11

On an Andean- type convergent margin, the continental block contains the__________.

Accepted Answer

A)  rotated block faults 
B)  accretionary wedge and high pressure- low temperature metasediments and metavolcanics 
C)  batholiths, volcanic arc, and high temperature- moderate pressure metamorphics 
D)  deep ocean trench and batholiths 
A)  rotated block faults 
B)  accretionary wedge and high pressure- low temperature metasediments and metavolcanics 
C)  batholiths, volcanic arc, and high temperature- moderate pressure metamorphics 
D)  deep ocean trench and batholiths

Question 12

During the Late Paleozoic (Devonian through Carboniferous), the tectonic and topographic configuration of the Appalachian region in eastern North America was most similar to the__________

Accepted Answer

A)  Afar Rift 
B)  western California 
C)  Andes 
D)  Himalayas and Tibetan Plateau 
A)  Afar Rift 
B)  western California 
C)  Andes 
D)  Himalayas and Tibetan Plateau

Question 13

Subduction ceases in a(n) ____________ type of convergent plate margin.

Accepted Answer

A)  continent- continent 
B)  continent- ocean 
C)  ocean- ocean 
D)  accretionary 
A)  continent- continent 
B)  continent- ocean 
C)  ocean- ocean 
D)  accretionary

Question 14

One piece of evidence for the substantial compression accompanying terrane accretion in B.C. and the Yukon is__________ .

Accepted Answer

A)  Paleozoic subsidence in the Williston Basin of Saskatchewan and Manitoba 
B)  Pleistocene folds in the offshore crust of the Pacific plate 
C)  Pleistocene uplift and erosion in the Canadian Shield of the Northwest Territories 
D)  Jurassic and Cretaceous deformations in the fold and thrust belt of the Canadian Rockies in 
A)  Paleozoic subsidence in the Williston Basin of Saskatchewan and Manitoba 
B)  Pleistocene folds in the offshore crust of the Pacific plate 
C)  Pleistocene uplift and erosion in the Canadian Shield of the Northwest Territories 
D)  Jurassic and Cretaceous deformations in the fold and thrust belt of the Canadian Rockies in

Question 15

The severed, upper part of a Jurassic seamount might occur as a distinctive, small terrane________ .

Accepted Answer

A)  along the boundary between two Precambrian shield areas 
B)  in an accretionary wedge shoved onto an active, continental margin 
C)  on a passive- margin continental shelf 
D)  in an arc of composite cone volcanoes far inland from a convergent margin 
A)  along the boundary between two Precambrian shield areas 
B)  in an accretionary wedge shoved onto an active, continental margin 
C)  on a passive- margin continental shelf 
D)  in an arc of composite cone volcanoes far inland from a convergent margin

Question 16

Which statement best describes an intracratonic basin?

Accepted Answer

A)  synonymous with meteorite crater 
B)  a circular syncline that developed in the Canadian Rockies 
C)  a sag pond in the Fraser delta 
D)  circular bowl- shaped depressions that develop well within continental interiors 
A)  synonymous with meteorite crater 
B)  a circular syncline that developed in the Canadian Rockies 
C)  a sag pond in the Fraser delta 
D)  circular bowl- shaped depressions that develop well within continental interiors

Question 17

How much downwarping of the crust of the Canadian shield occurred during the maximum of the last ice age?

Accepted Answer

A)  300- 400 m 
B)  50- 100 m 
C)   several kilometres 
A)  300- 400 m 
B)  50- 100 m 
C)   several kilometres

Question 18

Prolonged convergence across Aleutian- type margins can result in the__________ .

Accepted Answer

A)  subduction of the volcanic arc 
B)  complete destruction of both oceanic plates 
C)  thinning of the lithosphere under the arc 
D)  development of thick, continental- type crust 
A)  subduction of the volcanic arc 
B)  complete destruction of both oceanic plates 
C)  thinning of the lithosphere under the arc 
D)  development of thick, continental- type crust

Question 19

As new layers of sedimentary or volcanic rock are added to the crust the_______ .

Accepted Answer

A)  thickness increases faster than the elevation 
B)  elevation stays the same but the thickness increases 
C)  elevation increases by an equal amount to the thickness 
D)  elevation increases faster than the thickness 
A)  thickness increases faster than the elevation 
B)  elevation stays the same but the thickness increases 
C)  elevation increases by an equal amount to the thickness 
D)  elevation increases faster than the thickness

The__________ is (are) characterized by terrane accretion that has been active throughout most of Mesozoic and Cenozoic time.

What is the Meguma Zone in Nova Scotia (and similar rocks beneath the more southerly, continental shelf off the US eastern seaboard) thought to represent?

According to the crustal, gravitational balance idea, which of the following statements is true?

The __________of the Appalachian orogen consists of North American, continental shelf strata deposited prior to the late Paleozoic collision with Gondwanaland (Africa).

Folded, fine grained turbidites that occur high in the Himalayas were originally deposited as sediments ____________.

A good example of a present- day, passive, trailing, continental margin is the__________ .

A(n)__________ is a thick accumulation of sediments and small, rootless, tectonic blocks formed of material scraped off a descending, lithospheric plate.

Active volcanic arcs above a young oceanic plate are associated with a(n) _________margin.

Which of the following geologic products or processes is not a result of mountain building?

What supercontinent drifted apart in the Proterozoic to form the first extensional phase of the Appalachian orogen?

On an Andean- type convergent margin, the continental block contains the__________.

During the Late Paleozoic (Devonian through Carboniferous), the tectonic and topographic configuration of the Appalachian region in eastern North America was most similar to the__________

Subduction ceases in a(n) ____________ type of convergent plate margin.

One piece of evidence for the substantial compression accompanying terrane accretion in B.C. and the Yukon is__________ .

The severed, upper part of a Jurassic seamount might occur as a distinctive, small terrane________ .

Which statement best describes an intracratonic basin?

How much downwarping of the crust of the Canadian shield occurred during the maximum of the last ice age?

Prolonged convergence across Aleutian- type margins can result in the__________ .

As new layers of sedimentary or volcanic rock are added to the crust the_______ .

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 4: Volcanoes and Volcanic Processes

The__________ is (are) characterized by terrane accretion that has been active throughout most of Mesozoic and Cenozoic time.

What is the Meguma Zone in Nova Scotia (and similar rocks beneath the more southerly, continental shelf off the US eastern seaboard) thought to represent?

According to the crustal, gravitational balance idea, which of the following statements is true?

The __________of the Appalachian orogen consists of North American, continental shelf strata deposited prior to the late Paleozoic collision with Gondwanaland (Africa).

Folded, fine grained turbidites that occur high in the Himalayas were originally deposited as sediments ____________.

A good example of a present- day, passive, trailing, continental margin is the__________ .

A(n)__________ is a thick accumulation of sediments and small, rootless, tectonic blocks formed of material scraped off a descending, lithospheric plate.

Active volcanic arcs above a young oceanic plate are associated with a(n) _________margin.

Which of the following geologic products or processes is not a result of mountain building?

What supercontinent drifted apart in the Proterozoic to form the first extensional phase of the Appalachian orogen?

On an Andean- type convergent margin, the continental block contains the__________.

During the Late Paleozoic (Devonian through Carboniferous), the tectonic and topographic configuration of the Appalachian region in eastern North America was most similar to the__________

Subduction ceases in a(n) ____________ type of convergent plate margin.

One piece of evidence for the substantial compression accompanying terrane accretion in B.C. and the Yukon is__________ .

The severed, upper part of a Jurassic seamount might occur as a distinctive, small terrane________ .

Which statement best describes an intracratonic basin?

How much downwarping of the crust of the Canadian shield occurred during the maximum of the last ice age?

Prolonged convergence across Aleutian- type margins can result in the__________ .

As new layers of sedimentary or volcanic rock are added to the crust the_______ .

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters