Question 1

What was the first orogeny to affect the Appalachian mobile belt?

Accepted Answer

A)  Acadian 
B)  Taconic 
C)  Cordilleran 
D)  Alpine 
E)  Caledonian 
A)  Acadian 
B)  Taconic 
C)  Cordilleran 
D)  Alpine 
E)  Caledonian B

Question 2

What happened to the mountains formed during the Taconic orogeny?

Accepted Answer

A)  They were buried under volcanic ash. 
B)  They were subducted when the Iapetus ocean opened. 
C)  They were subducted during the closure of the Iapetus ocean. 
D)  They were eroded into the Queenston Delta. 
E)  They were isostatically uplifted. 
A)  They were buried under volcanic ash. 
B)  They were subducted when the Iapetus ocean opened. 
C)  They were subducted during the closure of the Iapetus ocean. 
D)  They were eroded into the Queenston Delta. 
E)  They were isostatically uplifted. D

Question 3

A succession of rocks bounded by unconformities is a(n) ____.

Accepted Answer

A)  period 
B)  cratonic sequence 
C)  system 
D)  bedding plane 
E)  ecosystem 
A)  period 
B)  cratonic sequence 
C)  system 
D)  bedding plane 
E)  ecosystem B

Question 4

The earliest organic reefs are known from the Ordovician Period.

Accepted Answer

A) True 
 B)False

Question 5

During the Cambrian, most of Earth's land was located in the southern hemisphere.

Accepted Answer

A) True 
 B)False

Question 6

Glaciation and tectonic events were the likely causes for transgressions and regressions during the Paleozoic.

Accepted Answer

A) True 
 B)False

Question 7

Compare and contrast cratons and mobile belts. What types of rocks are they composed of and what are the relative ages of these rocks? Provide specific examples of cratons and mobile belts.

Accepted Answer

Cratons are relatively stable and immobi

Question 8

Orogenesis occurs along mobile belts.

Accepted Answer

A) True 
 B)False

Question 9

Geologic periods are divided based on the chronology of one complete transgressive-regressive cycle.

Accepted Answer

A) True 
 B)False

Question 10

Why are the regressive phases of cratonic sequences marked by unconformities?

Accepted Answer

During regressive phases, sea level is f

Question 11

The first major transgression onto the North American continent is recorded in rocks of the ____________________ Sequence.

Accepted Answer

The answer of The first major transgression onto the North...

Question 12

Describe and discuss the stratigraphy of the Grand Canyon. What does this stratigraphy illustrate? Identify the formations in the Grand Canyon and discuss their relationships.

Accepted Answer

The Cambrian stratigraphy of the Grand C

Question 13

Discuss the major Early Paleozoic transgressions and regressions in North America. How did these transgressions and regressions shape the geologic character of North America today? Give examples of specific features caused by these transgressions and regressions.

Accepted Answer

Answers will vary. The student should fi

Question 14

During the early Paleozoic, sea levels were higher than they are today.

Accepted Answer

A) True 
 B)False

Question 15

Long linear limestone masses composed of skeletal material and forming a barrier between a shallow platform on one side and a comparatively deep marine basin on the other side are ____.

Accepted Answer

A)  barrier islands 
B)  ophiolites 
C)  barrier reefs 
D)  Beaches 
E)  alluvial fans 
A)  barrier islands 
B)  ophiolites 
C)  barrier reefs 
D)  Beaches 
E)  alluvial fans

Question 16

The Cordilleran mobile belt marks the boundary between the United States and Canada.

Accepted Answer

A) True 
 B)False

Question 17

In which Paleozoic continent was most of present-day North America located? ____________________.

Accepted Answer

The answer of In which Paleozoic continent was most of...

Question 18

A clastic wedge is a wedge-shaped block of sedimentary rocks bounded by faults that intersect at an acute angle.

Accepted Answer

A) True 
 B)False

Question 19

Africa, Antarctica, and Australia were once part of Gondwana.

Accepted Answer

A) True 
 B)False

Question 20

A cratonic ____________________ is a succession of rocks bounded by unconformities.

Accepted Answer

The answer of A cratonic ____________________ is a succession of...

What was the first orogeny to affect the Appalachian mobile belt?

What happened to the mountains formed during the Taconic orogeny?

A succession of rocks bounded by unconformities is a(n) ____.

The earliest organic reefs are known from the Ordovician Period.

During the Cambrian, most of Earth's land was located in the southern hemisphere.

Glaciation and tectonic events were the likely causes for transgressions and regressions during the Paleozoic.

Compare and contrast cratons and mobile belts. What types of rocks are they composed of and what are the relative ages of these rocks? Provide specific examples of cratons and mobile belts.

Orogenesis occurs along mobile belts.

Geologic periods are divided based on the chronology of one complete transgressive-regressive cycle.

Why are the regressive phases of cratonic sequences marked by unconformities?

The first major transgression onto the North American continent is recorded in rocks of the ____________________ Sequence.

Describe and discuss the stratigraphy of the Grand Canyon. What does this stratigraphy illustrate? Identify the formations in the Grand Canyon and discuss their relationships.

Discuss the major Early Paleozoic transgressions and regressions in North America. How did these transgressions and regressions shape the geologic character of North America today? Give examples of specific features caused by these transgressions and regressions.

During the early Paleozoic, sea levels were higher than they are today.

Long linear limestone masses composed of skeletal material and forming a barrier between a shallow platform on one side and a comparatively deep marine basin on the other side are ____.

The Cordilleran mobile belt marks the boundary between the United States and Canada.

In which Paleozoic continent was most of present-day North America located? ____________________.

A clastic wedge is a wedge-shaped block of sedimentary rocks bounded by faults that intersect at an acute angle.

Africa, Antarctica, and Australia were once part of Gondwana.

A cratonic ____________________ is a succession of rocks bounded by unconformities.

The Dynamic and Evolving Earth

Minerals and Rocks

Plate Tectonics: a Unifying Theory

Geologic Time Concepts and Principles

Rocks Fossils and Time Making Sense of the Geologic Record

Sedimentary Rocks the Archives of Earth History

Evolution the Theory and Its Supporting Evidence

Precambrian Earth and Life History the Hadean and the Archean Eon

Precambrian Earth and Life History the Proterozoic Eon

Late Paleozoic Earth History

Paleozoic Life History Invertebrates

Paleozoic Life History Vertebrates and Plants

Mesozoic Earth History

Life of the Mesozoic Era

Cenozoic Earth History the Paleogene and Neogene Periods

Cenozoic Earth History the Quaternary Period

Life of the Cenozoic Era

Primate and Human Evolution

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Exam 10: Early Paleozoic Earth History

What was the first orogeny to affect the Appalachian mobile belt?

What happened to the mountains formed during the Taconic orogeny?

A succession of rocks bounded by unconformities is a(n) ____.

The earliest organic reefs are known from the Ordovician Period.

During the Cambrian, most of Earth's land was located in the southern hemisphere.

Glaciation and tectonic events were the likely causes for transgressions and regressions during the Paleozoic.

Compare and contrast cratons and mobile belts. What types of rocks are they composed of and what are the relative ages of these rocks? Provide specific examples of cratons and mobile belts.

Orogenesis occurs along mobile belts.

Geologic periods are divided based on the chronology of one complete transgressive-regressive cycle.

Why are the regressive phases of cratonic sequences marked by unconformities?

The first major transgression onto the North American continent is recorded in rocks of the ____________________ Sequence.

Describe and discuss the stratigraphy of the Grand Canyon. What does this stratigraphy illustrate? Identify the formations in the Grand Canyon and discuss their relationships.

Discuss the major Early Paleozoic transgressions and regressions in North America. How did these transgressions and regressions shape the geologic character of North America today? Give examples of specific features caused by these transgressions and regressions.

During the early Paleozoic, sea levels were higher than they are today.

Long linear limestone masses composed of skeletal material and forming a barrier between a shallow platform on one side and a comparatively deep marine basin on the other side are ____.

The Cordilleran mobile belt marks the boundary between the United States and Canada.

In which Paleozoic continent was most of present-day North America located? ____________________.

A clastic wedge is a wedge-shaped block of sedimentary rocks bounded by faults that intersect at an acute angle.

Africa, Antarctica, and Australia were once part of Gondwana.

A cratonic ____________________ is a succession of rocks bounded by unconformities.

The Dynamic and Evolving Earth

Minerals and Rocks

Plate Tectonics: a Unifying Theory

Geologic Time Concepts and Principles

Rocks Fossils and Time Making Sense of the Geologic Record

Sedimentary Rocks the Archives of Earth History

Evolution the Theory and Its Supporting Evidence

Precambrian Earth and Life History the Hadean and the Archean Eon

Precambrian Earth and Life History the Proterozoic Eon

Late Paleozoic Earth History

Paleozoic Life History Invertebrates

Paleozoic Life History Vertebrates and Plants

Mesozoic Earth History

Life of the Mesozoic Era

Cenozoic Earth History the Paleogene and Neogene Periods

Cenozoic Earth History the Quaternary Period

Life of the Cenozoic Era

Primate and Human Evolution

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