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WorksheetsRelative Age Dating
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
In order for an event to affect a rock, the rock must exist first.
a)
True
b)
False
2.
Sediment normally accumulates in vertical layers.
a)
True
b)
False
3.
Geologic features, such as faults, and igneous intrusions are younger than the rocks they cut because the events like folding and faulting must occur first before a rock can exist.
a)
True
b)
False
4.
Floating or swimming marine animals make the best index fossils because they spread rapidly and widely throughout the seas.
a)
True
b)
False
5.
Inclusions are younger than the formation of sedimentary rocks that comprise them.
a)
True
b)
False
6.
If rocks are folded, the folding is younger than the youngest rock affected.
a)
True
b)
False
7.
If rocks are folded into an anticline, the youngest rocks are in the core of the fold.
a)
True
b)
False
8.
The shorter the timespan that species existed, the more precisely the index fossil reflects the age of the rock.
a)
True
b)
False
9.
If one rock body contains fragments of another rock body, it must be younger than the fragments of rock it contains.
a)
True
b)
False
10.
Sedimentary rocks that contain fragments of another rock are older that the fragments came from.
a)
True
b)
False
11.
Which layering shown in the figure demonstrates disconformity?
a)
A. B
b)
B. C
c)
C. A
d)
D. None of these
12.
What does a disconformity in a sedimentary rock sequence represent?
a)
A. Gap in the rock record
b)
B. Volcanic Eruption
c)
C. Duplicated strata in the rock record
d)
D. Flood event
13.
Which of the following happened most recently?
a)
A. Deposition of Unit C
b)
B. Deposition of Unit B
c)
C. Deposition of Unit F
d)
D. Tilting of C, D, E, and F
14.
George Geologist finds that unit F contains eroded pieces of unit G. Which of the following statement is TRUE?
a)
A. The granite is younger than unit B.
b)
B. Unit B is younger than the granite.
c)
Unit B and granite are the same age.
d)
D. The relative ages of the granite and unit B cannot be determined from the information given.
15.
What does the horizontal line labeled 'X-X 'represent?
a)
A. Fault
b)
B. Disconformity
c)
C. Non-conformity
d)
D. Angular Unconformity
16.
a)
A-D-C-B-E
b)
B-E-C-D-A
c)
A-B-E-C-D
d)
A-C-B-E-D
17.
a)
C-E-D-B-A
b)
A-B-D-E-C
c)
A-D-B-E-C
d)
D-A-B-E-C
18.
a)
B-C-D-A-M-E-F-G-H
b)
E-M-A-D-C-B-H-G-F
c)
H-G-F-E-M-A-D-C-B
d)
H-G-A-D-C-B-F-E-M
19.
a)
B-F-A-C-G-E-I-D-H
b)
G-C-A-F-V-H-D-I-E
c)
E-H-I-D-B-C-G-A-F
d)
E-I-D-H-B-F-A-C-G
20.
a)
F-B-K-N-A-J-D-M-H-C-L-G-E
b)
F-H-B-K-E-G-L-C-N-M-D-J-A
c)
E-G-L-C-H-M-D-J-A-N-K-B-F
d)
F-M-H-C-L-G-E-B-K-N-A-J
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