Question 1

Magnetic _____ is the north-south directionality of Earth's magnetic field.

Accepted Answer

polarity

Question 2

Periods of geologic time last for hundreds of millions of years.

Accepted Answer

A) True 
 B)False  False

Question 3

The oldest radiometric date reported for an individual mineral grain from a sedimentary rock is approximately _____.

Accepted Answer

A) 4)4 billion years 
B) 4)56 billion years 
C) 4)4 million years 
D) 4)56 million years 
A) 4)4 billion years 
B) 4)56 billion years 
C) 4)4 million years 
D) 4)56 million years A

Question 4

A(n)_____ is a unit of geologic time across which you would expect to find the greatest changes in the fossil record.

Accepted Answer

The answer of A(n)_____ is a unit of geologic time...

Question 5

In the stratigraphic sequence of the Grand Canyon shown below,the Tapeats Sandstone is the oldest rock unit.

Accepted Answer

A) True 
 B)False

Question 6

The contact between the Grand Canyon Supergroup and the overlying Tapeats Sandstone is a type of unconformity known as a(n)______.

Accepted Answer

angular un

Question 7

A(n)______is a surface of erosion in which the orientation of older strata,below,are parallel to younger strata,above.

Accepted Answer

The answer of A(n)______is a surface of erosion in which...

Question 8

Based on the block diagram below,the igneous intrusion labeled B is younger than Unit 2.What stratigraphic principle allowed you to determine this observation?

Accepted Answer

A) principle of superposition 
B) principle of faunal succession 
C) principle of original horizontality 
D) principle of cross-cutting relationships 
A) principle of superposition 
B) principle of faunal succession 
C) principle of original horizontality 
D) principle of cross-cutting relationships

Question 9

In the block diagram shown below,deformation of the stratigraphic sequence labeled 1

Accepted Answer

A) occurred prior to 34 million years ago 
B) before the intrusion of the igneous rock body labeled B. 
C) before the deposition of unit 2. 
D) All of the previous statements are true. 
A) occurred prior to 34 million years ago 
B) before the intrusion of the igneous rock body labeled B. 
C) before the deposition of unit 2. 
D) All of the previous statements are true.

Question 10

The genus Australopithecus evolved from the genus Homo.

Accepted Answer

A) True 
 B)False

Question 11

Periods of geologic time lasted for

Accepted Answer

A) a few millions of years. 
B) tens of millions of years 
C) hundreds of millions of years. 
D) billions of years. 
A) a few millions of years. 
B) tens of millions of years 
C) hundreds of millions of years. 
D) billions of years.

Question 12

In the photo of the stratigraphic sequence of the Grand Canyon,below,tilting of the Grand Canyon Super Group occurred after deposition of the Tapeats Sandstone.

Accepted Answer

A) True 
 B)False

Question 13

What is the principle that helps geologists determine the age of rocks that are separated by distance?

Accepted Answer

A) principle of original horizontality 
B) principle of stratigraphic superposition 
C) principle of cross-cutting relationships 
D) principle of lateral continuity 
A) principle of original horizontality 
B) principle of stratigraphic superposition 
C) principle of cross-cutting relationships 
D) principle of lateral continuity

Question 14

Geologists have divided the three eras of the Phanerozoic Eon into a number of shorter units called periods.

Accepted Answer

A) True 
 B)False

Question 15

The geologic era in which animals with hard shells first appeared is the

Accepted Answer

A) Mesozoic. 
B) Cenozoic 
C) Paleozoic. 
D) PreCambrian. 
A) Mesozoic. 
B) Cenozoic 
C) Paleozoic. 
D) PreCambrian.

Question 16

An unconformity is a gap in the stratigraphic sequence.

Accepted Answer

A) True 
 B)False

Question 17

In the photo below,the ______is the oldest strata within the sequence of the Grand Canyon.

Accepted Answer

Grand Cany

Question 18

A(n)______is a surface of erosion that separates younger strata above from older igneous or metamorphic rocks below.

Accepted Answer

The answer of A(n)______is a surface of erosion that separates...

Question 19

Eras of geologic time are subdivided into a number of smaller divisions called _____.

Accepted Answer

The answer of Eras of geologic time are subdivided into...

Question 20

If you see a vertical magmatic intrusion embedded in horizontal layers of sedimentary rocks,which principle will help you determine the relative age of the intrusion?

Accepted Answer

A) principle of original horizontality 
B) principle of stratigraphic superposition 
C) principle of cross-cutting relationships 
D) principle of lateral continuity 
A) principle of original horizontality 
B) principle of stratigraphic superposition 
C) principle of cross-cutting relationships 
D) principle of lateral continuity

Magnetic _____ is the north-south directionality of Earth's magnetic field.

Periods of geologic time last for hundreds of millions of years.

The oldest radiometric date reported for an individual mineral grain from a sedimentary rock is approximately _____.

A(n)_____ is a unit of geologic time across which you would expect to find the greatest changes in the fossil record.

In the stratigraphic sequence of the Grand Canyon shown below,the Tapeats Sandstone is the oldest rock unit.

The contact between the Grand Canyon Supergroup and the overlying Tapeats Sandstone is a type of unconformity known as a(n)______.

A(n)______is a surface of erosion in which the orientation of older strata,below,are parallel to younger strata,above.

Based on the block diagram below,the igneous intrusion labeled B is younger than Unit 2.What stratigraphic principle allowed you to determine this observation?

In the block diagram shown below,deformation of the stratigraphic sequence labeled 1

The genus Australopithecus evolved from the genus Homo.

Periods of geologic time lasted for

In the photo of the stratigraphic sequence of the Grand Canyon,below,tilting of the Grand Canyon Super Group occurred after deposition of the Tapeats Sandstone.

What is the principle that helps geologists determine the age of rocks that are separated by distance?

Geologists have divided the three eras of the Phanerozoic Eon into a number of shorter units called periods.

The geologic era in which animals with hard shells first appeared is the

An unconformity is a gap in the stratigraphic sequence.

In the photo below,the ______is the oldest strata within the sequence of the Grand Canyon.

A(n)______is a surface of erosion that separates younger strata above from older igneous or metamorphic rocks below.

Eras of geologic time are subdivided into a number of smaller divisions called _____.

If you see a vertical magmatic intrusion embedded in horizontal layers of sedimentary rocks,which principle will help you determine the relative age of the intrusion?

Earth As a Planet

Earth Materials

Plate Tectonics

Earthquakes and Earths Interior

Volcanoes and Igneous Rocks

Weathering and Erosion

From Sediment to Sedimentary Rock

Folds, faults, and Geological Maps

Metamorphism: New Rock From Old

Water on and Under the Ground

The Ocean and the Atmosphere

Climatic Extremes: Deserts and Glaciers

Earths Climates: Past, present, future

A Brief History of Life on Earth

Understanding Earths Resources

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Exam 3: How Old Is Old the Rock Record and Geologic Time

Magnetic _____ is the north-south directionality of Earth's magnetic field.

Periods of geologic time last for hundreds of millions of years.

The oldest radiometric date reported for an individual mineral grain from a sedimentary rock is approximately _____.

A(n)_____ is a unit of geologic time across which you would expect to find the greatest changes in the fossil record.

In the stratigraphic sequence of the Grand Canyon shown below,the Tapeats Sandstone is the oldest rock unit.

The contact between the Grand Canyon Supergroup and the overlying Tapeats Sandstone is a type of unconformity known as a(n)______.

A(n)______is a surface of erosion in which the orientation of older strata,below,are parallel to younger strata,above.

Based on the block diagram below,the igneous intrusion labeled B is younger than Unit 2.What stratigraphic principle allowed you to determine this observation?

In the block diagram shown below,deformation of the stratigraphic sequence labeled 1

The genus Australopithecus evolved from the genus Homo.

Periods of geologic time lasted for

In the photo of the stratigraphic sequence of the Grand Canyon,below,tilting of the Grand Canyon Super Group occurred after deposition of the Tapeats Sandstone.

What is the principle that helps geologists determine the age of rocks that are separated by distance?

Geologists have divided the three eras of the Phanerozoic Eon into a number of shorter units called periods.

The geologic era in which animals with hard shells first appeared is the

An unconformity is a gap in the stratigraphic sequence.

In the photo below,the ______is the oldest strata within the sequence of the Grand Canyon.

A(n)______is a surface of erosion that separates younger strata above from older igneous or metamorphic rocks below.

Eras of geologic time are subdivided into a number of smaller divisions called _____.

If you see a vertical magmatic intrusion embedded in horizontal layers of sedimentary rocks,which principle will help you determine the relative age of the intrusion?

Earth As a Planet

Earth Materials

Plate Tectonics

Earthquakes and Earths Interior

Volcanoes and Igneous Rocks

Weathering and Erosion

From Sediment to Sedimentary Rock

Folds, faults, and Geological Maps

Metamorphism: New Rock From Old

Water on and Under the Ground

The Ocean and the Atmosphere

Climatic Extremes: Deserts and Glaciers

Earths Climates: Past, present, future

A Brief History of Life on Earth

Understanding Earths Resources

Filters