Question 1

The three time periods of the Mesozoic, from oldest to youngest, are Cretaceous, Jurassic, and Triassic.

Accepted Answer

A) True 
 B)False

Question 2

Most of the world's diamond resources formed under conditions of high heat and pressure.

Accepted Answer

A) True 
 B)False

Question 3

The _________________________ _________________________ _________________________ effectively divided North America into two large landmasses.

Accepted Answer

Cretaceous

Question 4

Salt domes commonly are associated with petroleum deposits.

Accepted Answer

A) True 
 B)False

Question 5

Most terranes are composed of metamorphosed continental sediments.

Accepted Answer

A) True 
 B)False

Question 6

The interior of western North American continent was flooded by the Middle Jurassic ____.

Accepted Answer

A)  Navajo Sea 
B)  Moenkopi Sea 
C)  Morrison Sea 
D)  Sundance Sea 
E)  Interior Seaway 
A)  Navajo Sea 
B)  Moenkopi Sea 
C)  Morrison Sea 
D)  Sundance Sea 
E)  Interior Seaway

Question 7

The granite plutons of the Sierra Nevada Mountains of California formed because ____.

Accepted Answer

A)  a continental-continental collision caused melting of the North American plate. 
B)  subduction of an oceanic plate beneath the North American continent produced granitic magmas that cooled deeper in the crust. 
C)  the San Andreas strike-slip fault caused melting of the North American plate. 
D)  there was no plate boundary near western North America. 
E)  volcanoes spewed forth huge amounts of granite. 
A)  a continental-continental collision caused melting of the North American plate. 
B)  subduction of an oceanic plate beneath the North American continent produced granitic magmas that cooled deeper in the crust. 
C)  the San Andreas strike-slip fault caused melting of the North American plate. 
D)  there was no plate boundary near western North America. 
E)  volcanoes spewed forth huge amounts of granite.

Question 8

Mountain-building activity in the present-day Rocky Mountains occurred during which phase of the Cordilleran orogeny?

Accepted Answer

A)  Sonoma orogeny 
B)  Laramide orogeny 
C)  Nevadan orogeny 
D)  Sevier orogeny 
E)  Franciscan orogeny 
A)  Sonoma orogeny 
B)  Laramide orogeny 
C)  Nevadan orogeny 
D)  Sevier orogeny 
E)  Franciscan orogeny

Question 9

The Sonoma orogeny was the result of suturing of a volcanic island arc system onto the west coast of North America.

Accepted Answer

A) True 
 B)False

Question 10

Conical igneous intrusions from which diamonds are mined are called ____________________ pipes.

Accepted Answer

The answer of Conical igneous intrusions from which diamonds are...

Question 11

The Cordilleran orogeny applies to four episodes of Mesozoic mountain building. What was the tectonic setting for the Cordilleran orogeny? List the individual episodes, in order from oldest to youngest, and briefly describe where and how they occurred.

Accepted Answer

The Sonoma orogeny was the result of sub

Question 12

The Palisades sill is a Cretaceous age basaltic intrusion associated with compressional mountain building.

Accepted Answer

A) True 
 B)False

Question 13

During the Mesozoic Era, where did most of the orogenic activity occur on the North American continent?

Accepted Answer

In contrast to the Paleozoic Era, most o

Question 14

During the Triassic, the climate of the low and middle latitudes was ____.

Accepted Answer

A)  tropical 
B)  temperate 
C)  cold desert 
D)  arid 
E)  arctic 
A)  tropical 
B)  temperate 
C)  cold desert 
D)  arid 
E)  arctic

Question 15

Oceans absorb more of the solar radiation that they receive than do continents.

Accepted Answer

A) True 
 B)False

Question 16

While out in the western United States on a field trip, you collect some beautiful specimens of petrified wood. You are probably collecting petrified wood in which Triassic formation?

Accepted Answer

A)  Chinle 
B)  Morrison 
C)  Navajo 
D)  Sundance 
E)  Wingate 
A)  Chinle 
B)  Morrison 
C)  Navajo 
D)  Sundance 
E)  Wingate

Question 17

How does petrified wood form?

Accepted Answer

A)  permineralization - silica rich waters percolates and silicifies the wood 
B)  aeration - the wood dries out and is then buried 
C)  decomposition - bacteria break down the wood and replace them with organic compounds 
D)  decomposition - bacteria break down the wood and replace it with inorganic compounds 
E)  tectonism - wood is rapidly buried and subsequently uplifted 
A)  permineralization - silica rich waters percolates and silicifies the wood 
B)  aeration - the wood dries out and is then buried 
C)  decomposition - bacteria break down the wood and replace them with organic compounds 
D)  decomposition - bacteria break down the wood and replace it with inorganic compounds 
E)  tectonism - wood is rapidly buried and subsequently uplifted

Question 18

The Gulf of Mexico began to form as North America separated from ____.

Accepted Answer

A)  Gondwana 
B)  Laurasia 
C)  Australia 
D)  South America 
E)  Antarctica 
A)  Gondwana 
B)  Laurasia 
C)  Australia 
D)  South America 
E)  Antarctica

Question 19

Present-day tectonics in the Pacific Ocean began with ____.

Accepted Answer

A)  the Antler orogeny 
B)  subduction of the North American plate beneath the Farallon plate 
C)  the Sonoma orogeny 
D)  subduction of the Farallon plate beneath North American plate 
E)  the separation of North America from Baltica 
A)  the Antler orogeny 
B)  subduction of the North American plate beneath the Farallon plate 
C)  the Sonoma orogeny 
D)  subduction of the Farallon plate beneath North American plate 
E)  the separation of North America from Baltica

Question 20

The Chinle Formation is noted for its large cross-beds of Jurassic sandstone.

Accepted Answer

A) True 
 B)False

The three time periods of the Mesozoic, from oldest to youngest, are Cretaceous, Jurassic, and Triassic.

Most of the world's diamond resources formed under conditions of high heat and pressure.

The _____________ _ _____________ effectively divided North America into two large landmasses.

Salt domes commonly are associated with petroleum deposits.

Most terranes are composed of metamorphosed continental sediments.

The interior of western North American continent was flooded by the Middle Jurassic ____.

The granite plutons of the Sierra Nevada Mountains of California formed because ____.

Mountain-building activity in the present-day Rocky Mountains occurred during which phase of the Cordilleran orogeny?

The Sonoma orogeny was the result of suturing of a volcanic island arc system onto the west coast of North America.

Conical igneous intrusions from which diamonds are mined are called ____________________ pipes.

The Cordilleran orogeny applies to four episodes of Mesozoic mountain building. What was the tectonic setting for the Cordilleran orogeny? List the individual episodes, in order from oldest to youngest, and briefly describe where and how they occurred.

The Palisades sill is a Cretaceous age basaltic intrusion associated with compressional mountain building.

During the Mesozoic Era, where did most of the orogenic activity occur on the North American continent?

During the Triassic, the climate of the low and middle latitudes was ____.

Oceans absorb more of the solar radiation that they receive than do continents.

While out in the western United States on a field trip, you collect some beautiful specimens of petrified wood. You are probably collecting petrified wood in which Triassic formation?

How does petrified wood form?

The Gulf of Mexico began to form as North America separated from ____.

Present-day tectonics in the Pacific Ocean began with ____.

The Chinle Formation is noted for its large cross-beds of Jurassic sandstone.

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

Early Paleozoic Earth History

Late Paleozoic Earth History

Paleozoic Life History Invertebrates

Paleozoic Life History Vertebrates and Plants

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

Filters

Exam 14: Mesozoic Earth History

The three time periods of the Mesozoic, from oldest to youngest, are Cretaceous, Jurassic, and Triassic.

Most of the world's diamond resources formed under conditions of high heat and pressure.

The _________________________ _________________________ _________________________ effectively divided North America into two large landmasses.

Salt domes commonly are associated with petroleum deposits.

Most terranes are composed of metamorphosed continental sediments.

The interior of western North American continent was flooded by the Middle Jurassic ____.

The granite plutons of the Sierra Nevada Mountains of California formed because ____.

Mountain-building activity in the present-day Rocky Mountains occurred during which phase of the Cordilleran orogeny?

The Sonoma orogeny was the result of suturing of a volcanic island arc system onto the west coast of North America.

Conical igneous intrusions from which diamonds are mined are called ____________________ pipes.

The Cordilleran orogeny applies to four episodes of Mesozoic mountain building. What was the tectonic setting for the Cordilleran orogeny? List the individual episodes, in order from oldest to youngest, and briefly describe where and how they occurred.

The Palisades sill is a Cretaceous age basaltic intrusion associated with compressional mountain building.

During the Mesozoic Era, where did most of the orogenic activity occur on the North American continent?

During the Triassic, the climate of the low and middle latitudes was ____.

Oceans absorb more of the solar radiation that they receive than do continents.

While out in the western United States on a field trip, you collect some beautiful specimens of petrified wood. You are probably collecting petrified wood in which Triassic formation?

How does petrified wood form?

The Gulf of Mexico began to form as North America separated from ____.

Present-day tectonics in the Pacific Ocean began with ____.

The Chinle Formation is noted for its large cross-beds of Jurassic sandstone.

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

Early Paleozoic Earth History

Late Paleozoic Earth History

Paleozoic Life History Invertebrates

Paleozoic Life History Vertebrates and Plants

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

Filters

The _____________ _ _____________ effectively divided North America into two large landmasses.