Question 1

During the entire Paleozoic,the western margin of North America could be described as ____.

Accepted Answer

A)  tectonically active with the development of numerous mobile belts 
B)  a passive margin with only localized mountain building events 
C)  a passive margin with no evidence of orogeny 
D)  an active margin with thick carbonate platforms 
E)  a zone of active volcanism 
A)  tectonically active with the development of numerous mobile belts 
B)  a passive margin with only localized mountain building events 
C)  a passive margin with no evidence of orogeny 
D)  an active margin with thick carbonate platforms 
E)  a zone of active volcanism B

Question 2

What is the currently favored hypothesis for explaining cyclothems?

Accepted Answer

rise and fall of sea level that accompanied advance and retreat of Gondwana glaciers

Question 3

Mobile belts form when convergent plate margins develop.

Accepted Answer

A) True 
 B)False  True

Question 4

When did the Ouachita system change sedimentation styles from those typical of a passive margin to an active margin?

Accepted Answer

A)  Late Paleozoic 
B)  Early Pennsylvanian 
C)  Late Permian 
D)  late Devonian 
E)  Early Mississippian 
A)  Late Paleozoic 
B)  Early Pennsylvanian 
C)  Late Permian 
D)  late Devonian 
E)  Early Mississippian

Question 5

What is the name of the first major transgression onto the North American craton,and when did it begin?

Accepted Answer

Sauk,Middl

Question 6

The Colorado River is no longer deepening the Grand Canyon.

Accepted Answer

A) True 
 B)False

Question 7

Erosion of the Taconic Highlands resulted in the development of a(n)____________________ called the ____________________.

Accepted Answer

clastic we

Question 8

The Precambrian igneous rocks of the shield areas record evidence for ____.

Accepted Answer

A)  continental growth by accretion 
B)  extensive Precambrian orogenic activity 
C)  extensive pre-Phanerozoic erosion 
D)  continental growth by accretion AND extensive Precambrian orogenic activity 
E)  all of these 
A)  continental growth by accretion 
B)  extensive Precambrian orogenic activity 
C)  extensive pre-Phanerozoic erosion 
D)  continental growth by accretion AND extensive Precambrian orogenic activity 
E)  all of these

Question 9

Rocks of the shield are primarily ____.

Accepted Answer

A)  igneous 
B)  metamorphic 
C)  sedimentary 
D)  igneous and metamorphic 
E)  igneous and sedimentary 
A)  igneous 
B)  metamorphic 
C)  sedimentary 
D)  igneous and metamorphic 
E)  igneous and sedimentary

Question 10

What characteristic feature of Pennsylvanian rocks distinguishes rocks of the Absaroka sequence from those of the Kaskaskia sequence as well as others of North America?

Accepted Answer

A)  cyclothems 
B)  carbonates 
C)  coal 
D)  conodonts 
E)  chordates 
A)  cyclothems 
B)  carbonates 
C)  coal 
D)  conodonts 
E)  chordates

Question 11

The ____________________ orogeny that occurred in the Cordilleran mobile belt was caused by ____________________.

Accepted Answer

The answer of The ____________________ orogeny that occurred in the...

Question 12

The Transcontinental Arch represents portions of the Canadian Shield not covered by seas in the Sauk transgression.

Accepted Answer

A) True 
 B)False

Question 13

Name the four Paleozoic transgressive sequences in order from oldest to youngest.

Accepted Answer

Sauk,Tippe

Question 14

A cratonic sequence is recognized by ____.

Accepted Answer

A)  a transgressive phase followed by regressive phase 
B)  a regressive phase followed by a transgressive phase 
C)  a regressive phase only 
D)  a transgressive phase only 
E)  a lack of any sequence 
A)  a transgressive phase followed by regressive phase 
B)  a regressive phase followed by a transgressive phase 
C)  a regressive phase only 
D)  a transgressive phase only 
E)  a lack of any sequence

Question 15

The ____________________ mobile belt of southern Europe corresponds to the ____________________ and ____________________ mobile belts of North America.Collectively,these mark the zone along which ____________________ collided with ____________________.

Accepted Answer

Hercynian,

Question 16

What were the six major Paleozoic continents?

Accepted Answer

Baltica,China,Gondwa

Question 17

An idealized cyclothem is characterized by which of the following sequences from bottom to top?

Accepted Answer

A)  coal beds, fluvial deltaic sediments, detrital shallow water marine, limestone 
B)  limestone, detrital shallow water marine, fluvial deltaic sediments, coal beds 
C)  limestone, detrital shallow water marine, coal beds, fluvial deltaic sediments 
D)  fluvial deltaic sediments, coal beds, detrital shallow water marine, limestone 
E)  detrital shallow water marine, fluvial deltaic sediments, limestone, coal beds 
A)  coal beds, fluvial deltaic sediments, detrital shallow water marine, limestone 
B)  limestone, detrital shallow water marine, fluvial deltaic sediments, coal beds 
C)  limestone, detrital shallow water marine, coal beds, fluvial deltaic sediments 
D)  fluvial deltaic sediments, coal beds, detrital shallow water marine, limestone 
E)  detrital shallow water marine, fluvial deltaic sediments, limestone, coal beds

Question 18

The most abundant rock type deposited during the Kaskaskian sequence was ____________________.

Accepted Answer

The answer of The most abundant rock type deposited during...

Question 19

The Appalachian and Ouachita mountains represent ancient mobile belts.

Accepted Answer

A) True 
 B)False

Question 20

What are cyclothems?

Accepted Answer

rhythmically repeate

Exam 20: Paleozoic Earth History

During the entire Paleozoic,the western margin of North America could be described as ____.

What is the currently favored hypothesis for explaining cyclothems?

Mobile belts form when convergent plate margins develop.

When did the Ouachita system change sedimentation styles from those typical of a passive margin to an active margin?

What is the name of the first major transgression onto the North American craton,and when did it begin?

The Colorado River is no longer deepening the Grand Canyon.

Erosion of the Taconic Highlands resulted in the development of a(n)____________________ called the ____________________.

The Precambrian igneous rocks of the shield areas record evidence for ____.

Rocks of the shield are primarily ____.

What characteristic feature of Pennsylvanian rocks distinguishes rocks of the Absaroka sequence from those of the Kaskaskia sequence as well as others of North America?

The ____________________ orogeny that occurred in the Cordilleran mobile belt was caused by ____________________.

The Transcontinental Arch represents portions of the Canadian Shield not covered by seas in the Sauk transgression.

Name the four Paleozoic transgressive sequences in order from oldest to youngest.

A cratonic sequence is recognized by ____.

The ____________________ mobile belt of southern Europe corresponds to the ____________________ and ____________________ mobile belts of North America.Collectively,these mark the zone along which ____________________ collided with ____________________.

What were the six major Paleozoic continents?

An idealized cyclothem is characterized by which of the following sequences from bottom to top?

The most abundant rock type deposited during the Kaskaskian sequence was ____________________.

The Appalachian and Ouachita mountains represent ancient mobile belts.

What are cyclothems?

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earth's Interior

Deformation,Mountain Building,and Earth's Crust

Mass Wasting

Running Water Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

Geology in Perspective

Filters

Erosion of the Taconic Highlands resulted in the development of a(n) called the .

The orogeny that occurred in the Cordilleran mobile belt was caused by .

The mobile belt of southern Europe corresponds to the and mobile belts of North America.Collectively,these mark the zone along which collided with .