Question 1

Which of the following best characterizes an angular unconformity?

Accepted Answer

A) Tilted strata lie below the unconformity; bedding in younger strata above is parallel to the unconformity. 
B) Horizontal lava flows lie below the unconformity and horizontal, sedimentary strata lie above. 
C) The discordant boundary between older strata and an intrusive body of granite. 
D) Igneous dykes cutting through sills at an angle. 
A) Tilted strata lie below the unconformity; bedding in younger strata above is parallel to the unconformity. 
B) Horizontal lava flows lie below the unconformity and horizontal, sedimentary strata lie above. 
C) The discordant boundary between older strata and an intrusive body of granite. 
D) Igneous dykes cutting through sills at an angle.

Question 2

A few rare times in earth history the majority of life forms disappeared "clearing the ecologic slate" for new ones.When this happens it is called ________.

Accepted Answer

A) an ecoshift 
B) a half life 
C) an iridium anomaly 
D) a mass extinction 
A) an ecoshift 
B) a half life 
C) an iridium anomaly 
D) a mass extinction

Question 3

Which have been around longer, the benthonic foraminifera or planktonic ones?

Accepted Answer

Benthonic since Pale

Question 4

Which is the youngest geologic feature of: conglomerate, batholith, dyke B, fault A?

Accepted Answer

The answer of Which is the youngest geologic feature of:...

Question 5

Sandstone strata and a mass of granite are observed to be in contact.Which of the following statements concerning their relative age is geologically correct ?

Accepted Answer

A) The sandstone is younger if the granite contains sandstone inclusions. 
B) The sandstone is younger if it shows evidence of contact metamorphism. 
C) The granite is older if the sandstone contains pebbles of the granite. 
D) They were both formed at 4004 B.C.E.but the Devil made them complicated to fool us. 
A) The sandstone is younger if the granite contains sandstone inclusions. 
B) The sandstone is younger if it shows evidence of contact metamorphism. 
C) The granite is older if the sandstone contains pebbles of the granite. 
D) They were both formed at 4004 B.C.E.but the Devil made them complicated to fool us.

Question 6

Name the three eons of Precambrian time.

Accepted Answer

Haden, Arc

Question 7

Most sedimentary rocks are readily dated by radiometric methods.

Accepted Answer

A) True 
 B)False

Question 8

What is the name of a Phanerozoic era that means ancient life?

Accepted Answer

The answer of What is the name of a Phanerozoic...

Question 9

What is the chief difficulty in assigning exact numerical ages to most of the geologic time scale?

Accepted Answer

Sedimentary rocks can rarely be dated as

Question 10

Monotids and inoceramids are planktonic microfossils useful for zoning the Cenozoic Era.

Accepted Answer

A) True 
 B)False

Question 11

The ________ is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can uniquely determine geologic ages of strata.

Accepted Answer

A) principle of cross correlation 
B) law of fossil regression 
C) law of correlative indexing 
D) principle of fossil succession 
A) principle of cross correlation 
B) law of fossil regression 
C) law of correlative indexing 
D) principle of fossil succession

Question 12

What general term denotes a buried, erosional surface where rock layers are missing?

Accepted Answer

The answer of What general term denotes a buried, erosional...

Question 13

Which of the following is not a very long-lived, radioactive isotope?

Accepted Answer

A) U-238 
B) K-40 
C) Rb-87 
D) C-14 
A) U-238 
B) K-40 
C) Rb-87 
D) C-14

Question 14

The term Mesozoic refers to the "middle" life forms intermediate in complexity between early and much later, more modern-looking life forms.

Accepted Answer

A) True 
 B)False

Question 15

Isotopes of what element are the stable, end products of both uranium decay series?

Accepted Answer

The answer of Isotopes of what element are the stable,...

Question 16

In a new unstudied geologic area you find both a nonconformity over igneous and metamorphic rocks, and an angular unconformity over deformed sedimentary rocks.Which represents the greatest hiatus (missing time)?

Accepted Answer

nonconformity because there wa

Question 17

The study of paleontology focuses on ________?

Accepted Answer

A) fossils and evidence concerning ancient life forms 
B) sedimentary rocks and their diagenetic transformations after deposition 
C) absolute age determinations on minerals from igneous and metamorphic rocks 
D) palinspastic restorations of deformed strata that were once horizontal 
A) fossils and evidence concerning ancient life forms 
B) sedimentary rocks and their diagenetic transformations after deposition 
C) absolute age determinations on minerals from igneous and metamorphic rocks 
D) palinspastic restorations of deformed strata that were once horizontal

Question 18

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A) Uranium-238 
B) Rubidium-87 
C) Carbon-14 
D) Potassium-40 
A) Uranium-238 
B) Rubidium-87 
C) Carbon-14 
D) Potassium-40

Question 19

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A) Cretaceous 
B) Eocene 
C) Silurian 
D) Neogene 
A) Cretaceous 
B) Eocene 
C) Silurian 
D) Neogene

Question 20

After the normal fault B moved, which was the next younger geologic feature?

Accepted Answer

The answer of After the normal fault B moved, which...

Which of the following best characterizes an angular unconformity?

A few rare times in earth history the majority of life forms disappeared "clearing the ecologic slate" for new ones.When this happens it is called ________.

Which have been around longer, the benthonic foraminifera or planktonic ones?

Which is the youngest geologic feature of: conglomerate, batholith, dyke B, fault A?

Sandstone strata and a mass of granite are observed to be in contact.Which of the following statements concerning their relative age is geologically correct ?

Name the three eons of Precambrian time.

Most sedimentary rocks are readily dated by radiometric methods.

What is the name of a Phanerozoic era that means ancient life?

What is the chief difficulty in assigning exact numerical ages to most of the geologic time scale?

Monotids and inoceramids are planktonic microfossils useful for zoning the Cenozoic Era.

The ________ is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can uniquely determine geologic ages of strata.

What general term denotes a buried, erosional surface where rock layers are missing?

Which of the following is not a very long-lived, radioactive isotope?

The term Mesozoic refers to the "middle" life forms intermediate in complexity between early and much later, more modern-looking life forms.

Isotopes of what element are the stable, end products of both uranium decay series?

In a new unstudied geologic area you find both a nonconformity over igneous and metamorphic rocks, and an angular unconformity over deformed sedimentary rocks.Which represents the greatest hiatus (missing time)?

The study of paleontology focuses on ________?

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

After the normal fault B moved, which was the next younger geologic feature?

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 8: Geologic Time

Which of the following best characterizes an angular unconformity?

A few rare times in earth history the majority of life forms disappeared "clearing the ecologic slate" for new ones.When this happens it is called ________.

Which have been around longer, the benthonic foraminifera or planktonic ones?

Which is the youngest geologic feature of: conglomerate, batholith, dyke B, fault A?

Sandstone strata and a mass of granite are observed to be in contact.Which of the following statements concerning their relative age is geologically correct ?

Name the three eons of Precambrian time.

Most sedimentary rocks are readily dated by radiometric methods.

What is the name of a Phanerozoic era that means ancient life?

What is the chief difficulty in assigning exact numerical ages to most of the geologic time scale?

Monotids and inoceramids are planktonic microfossils useful for zoning the Cenozoic Era.

The ________ is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can uniquely determine geologic ages of strata.

What general term denotes a buried, erosional surface where rock layers are missing?

Which of the following is not a very long-lived, radioactive isotope?

The term Mesozoic refers to the "middle" life forms intermediate in complexity between early and much later, more modern-looking life forms.

Isotopes of what element are the stable, end products of both uranium decay series?

In a new unstudied geologic area you find both a nonconformity over igneous and metamorphic rocks, and an angular unconformity over deformed sedimentary rocks.Which represents the greatest hiatus (missing time)?

The study of paleontology focuses on ________?

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

After the normal fault B moved, which was the next younger geologic feature?

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters