Question 1

Which of the following is NOT a method of subsurface correlation?

Accepted Answer

A)  electric resistivity logs 
B)  seismic profiles 
C)  well cores 
D)  well cuttings 
E)  gravity logs 
A)  electric resistivity logs 
B)  seismic profiles 
C)  well cores 
D)  well cuttings 
E)  gravity logs

Question 2

Fossils cannot usually be dated using radiometric dating methods. Why not?

Accepted Answer

They are too old or do not con

Question 3

What is the half-life of a radioactive isotope?

Accepted Answer

the time necessary for half of

Question 4

Creation of the geologic time scale required the technology and knowledge associated with radiometric dating and absolute dating.

Accepted Answer

A) True 
 B)False

Question 5

Radiometric dates from closed systems are more accurate that from open rock systems.

Accepted Answer

A) True 
 B)False

Question 6

The time equivalence of rock units separated by great distances (e.g., an ocean) or where outcrop is minimal can be determined by

Accepted Answer

A)  lateral tracing of units 
B)  key beds or marker beds 
C)  index fossils 
D)  rock sequences 
E)  all of the above 
A)  lateral tracing of units 
B)  key beds or marker beds 
C)  index fossils 
D)  rock sequences 
E)  all of the above

Question 7

Lyell's publication of Hutton's ideas were important at the time not only to geology but also to

Accepted Answer

A)  astronomy. 
B)  Darwin's theory of evolution. 
C)  plate tectonics. 
D)  continental drift. 
E)  the geocentric model of the solar system. 
A)  astronomy. 
B)  Darwin's theory of evolution. 
C)  plate tectonics. 
D)  continental drift. 
E)  the geocentric model of the solar system.

Question 8

A catastrophic flood might produce a disconformity.

Accepted Answer

A) True 
 B)False

Question 9

Working in a complex of horizontal sedimentary rocks and intrusive igneous rocks, which of the following principles might you use to determine relative ages of the rocks?

Accepted Answer

A)  uniformitarianism 
B)  cross-cutting relations 
C)  superposition 
D)  unconformities 
E)  A, B, and C
F) B and C 
A)  uniformitarianism 
B)  cross-cutting relations 
C)  superposition 
D)  unconformities 
E)  A, B, and C
F) B and C

Question 10

What is the possibility that the geologic time scale will change in the future? Explain your reasoning.

Accepted Answer

The time scale has already essentially s

Which of the following is NOT a method of subsurface correlation?

Fossils cannot usually be dated using radiometric dating methods. Why not?

What is the half-life of a radioactive isotope?

Creation of the geologic time scale required the technology and knowledge associated with radiometric dating and absolute dating.

Radiometric dates from closed systems are more accurate that from open rock systems.

The time equivalence of rock units separated by great distances (e.g., an ocean) or where outcrop is minimal can be determined by

Lyell's publication of Hutton's ideas were important at the time not only to geology but also to

A catastrophic flood might produce a disconformity.

Working in a complex of horizontal sedimentary rocks and intrusive igneous rocks, which of the following principles might you use to determine relative ages of the rocks?

What is the possibility that the geologic time scale will change in the future? Explain your reasoning.

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals-The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes

Earths Interior

The Seafloor

Deformation, Mountain Building, and the Evolution of Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Winds and Deserts

Shorelines and Shoreline Processes

Geology and Humanity

Filters

Exam 9: Geologic Time: Concepts and Principles

Which of the following is NOT a method of subsurface correlation?

Fossils cannot usually be dated using radiometric dating methods. Why not?

What is the half-life of a radioactive isotope?

Creation of the geologic time scale required the technology and knowledge associated with radiometric dating and absolute dating.

Radiometric dates from closed systems are more accurate that from open rock systems.

The time equivalence of rock units separated by great distances (e.g., an ocean) or where outcrop is minimal can be determined by

Lyell's publication of Hutton's ideas were important at the time not only to geology but also to

A catastrophic flood might produce a disconformity.

Working in a complex of horizontal sedimentary rocks and intrusive igneous rocks, which of the following principles might you use to determine relative ages of the rocks?

What is the possibility that the geologic time scale will change in the future? Explain your reasoning.

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals-The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes

Earths Interior

The Seafloor

Deformation, Mountain Building, and the Evolution of Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Winds and Deserts

Shorelines and Shoreline Processes

Geology and Humanity

Filters