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Chapter 11
Concept 2 Quiz
Concept 2 Quiz
Give the definitions of "numerical" and "relative dating" and apply relative dating techniques to understand how scientists reconstruct Earth's history.
This activity contains 15 questions.
A(n) ____________ in the rock record represents a long period during which deposition ceased, erosion removed previously formed rocks, and then deposition resumed.
inclusion
relative date
numerical date
unconformity
superposition
The principle of __________ states that "Layers of sediment are generally deposited in a horizontal position."
original horizontality
cross-cutting relationships
cross-bedding
sediment
fossil succession
Pieces of one rock unit contained within another are called
inclusions
conformities
interbeds
hosts
intrusions
To state that a rock is 120 million years old is an example of applying a numerical date.
True
False
The Kaibab limestone rocks of the Grand Canyon are older than the Supai Group.
True
False
An accurate numerical date is best determined using
sequential rock groups
radioactivity
relative dating
the principle of original horizontality
all of the above
Tilted or folded sedimentary rocks overlain by younger flat-lying strata is typical for
inclusions
angular unconformity
disconformity
nonconformity
none of the above
Place the lettered geologic features in their proper order of occurrence.
(Block diagram, Copyright © Prentice Hall, Inc.)
This question presents 5 items numbered 8.1 through 8.5. Each item is presented with a pulldown menu containing the letters A through E.
For each item below, use the pull-down menu to select the letter that labels the correct part of the image.
8.1 youngest
A
B
C
D
E
8.2 second youngest
A
B
C
D
E
8.3 third oldest
A
B
C
D
E
8.4 second oldest
A
B
C
D
E
8.5 oldest
A
B
C
D
E
The task of matching up rocks of similar ages in different regions is known as
linking
correlation
superposition
succession
indexing
The principle of fossil ____________ states that fossil organisms succeed one another in a definite and determinable order.
inclusions
succession
evolution
sequences
superposition
No place on Earth has a complete set of conformable strata.
True
False
Rocks found with fossilized corals similar to present-day corals indicate an organic-rich, oxygen-deprived environment of formation.
True
False
Which of the following is
not
a common method of fossilization?
igneous inclusions
casts
coprolites
replacement
carbonization
Angular unconformities are difficult to identify.
True
False
Which of the following principles is
not
a widely used relative dating technique?
fossil succession
original horizontality
principle of cross-cutting
principle of inclusions
none of the above
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