ESS 101 with correct
questions and answers
usr
[COMPANY NAME] [Company address]
,1. If a xenolith included within an igneous pluton has a numerical
age of 55 million years (Ma) old, what can you infer about the age
of the pluton?
a. The pluton formed before 55 Ma ago.
b. The pluton formed before 100 Ma ago.
c. The pluton formed exactly at 55 Ma ago.
d. The pluton formed after 55 Ma ago.
e. none of the above answers are correct as you cannot infer the
pIuton's age based on the numerical ages Answer: d
2. Radiocarbon is first produced
when neutrons strike atoms.
a. ocean, nitrogen-14
b. ocean, carbon-12
c. atmosphere, carbon-12
d. atmosphere, nitrogen-14
e. atmosphere, carbon-13 Answer: d
3. A minimum of seismic stations is necessary to
determine the focus of an earthquake.
a. 3
b. 10
c. 1
d. 300
e. 5 Answer: a
4. Which seismic wave will be the last to reach a seismic station
following an earthquake?
a. surface, S, and P
b. S,P,surface
c. surface, p. s
d. P,S,surface
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,e. P, surface, S Answer: d
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, 5. A volcanic neck is formed and the
surrounding rock erodes away.
a. when a magma body intrudes a fracture that lies parallel to
sedimentary layers
b. when a magma body intrudes a fracture that lies perpendicular to
sedimen- tary layers
c.when an irregular shaped magma body intrudes the country rock
that is >100 km 2
d. when an irregular shaped magma body intrudes the country rock
that is <100 km 2
e.when a magma body solidifies within the vent of a volcano and the
surround- ing material is eroded Answer: e
6. In order to relieve stress buildup that would cause a magnitude 5
earthquake, approximately how many
magnitude 4 earthquakes would have to occur?
a. l0
b. 30
c. 300
d. 900
e. 27,000 Answer: B
7. Limesto
ne generally precipitates in deep ocean water because .
a. calcium carbonate precipitates in cold water
b. calcium carbonate is less soluble (dissolvable) in cold water
c. calcium carbonate is more soluble (dissolvable) in cold water
d. dissolved calcium carbonate is only present in deep water
e. none of the above answers are correct as limestone typically
precipitates in shallow ocean water Answer: e
8. Symmetric anticline folds
result from .
a. bi-directional stresses
b. uni-directional stresses
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questions and answers
usr
[COMPANY NAME] [Company address]
,1. If a xenolith included within an igneous pluton has a numerical
age of 55 million years (Ma) old, what can you infer about the age
of the pluton?
a. The pluton formed before 55 Ma ago.
b. The pluton formed before 100 Ma ago.
c. The pluton formed exactly at 55 Ma ago.
d. The pluton formed after 55 Ma ago.
e. none of the above answers are correct as you cannot infer the
pIuton's age based on the numerical ages Answer: d
2. Radiocarbon is first produced
when neutrons strike atoms.
a. ocean, nitrogen-14
b. ocean, carbon-12
c. atmosphere, carbon-12
d. atmosphere, nitrogen-14
e. atmosphere, carbon-13 Answer: d
3. A minimum of seismic stations is necessary to
determine the focus of an earthquake.
a. 3
b. 10
c. 1
d. 300
e. 5 Answer: a
4. Which seismic wave will be the last to reach a seismic station
following an earthquake?
a. surface, S, and P
b. S,P,surface
c. surface, p. s
d. P,S,surface
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68
,e. P, surface, S Answer: d
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, 5. A volcanic neck is formed and the
surrounding rock erodes away.
a. when a magma body intrudes a fracture that lies parallel to
sedimentary layers
b. when a magma body intrudes a fracture that lies perpendicular to
sedimen- tary layers
c.when an irregular shaped magma body intrudes the country rock
that is >100 km 2
d. when an irregular shaped magma body intrudes the country rock
that is <100 km 2
e.when a magma body solidifies within the vent of a volcano and the
surround- ing material is eroded Answer: e
6. In order to relieve stress buildup that would cause a magnitude 5
earthquake, approximately how many
magnitude 4 earthquakes would have to occur?
a. l0
b. 30
c. 300
d. 900
e. 27,000 Answer: B
7. Limesto
ne generally precipitates in deep ocean water because .
a. calcium carbonate precipitates in cold water
b. calcium carbonate is less soluble (dissolvable) in cold water
c. calcium carbonate is more soluble (dissolvable) in cold water
d. dissolved calcium carbonate is only present in deep water
e. none of the above answers are correct as limestone typically
precipitates in shallow ocean water Answer: e
8. Symmetric anticline folds
result from .
a. bi-directional stresses
b. uni-directional stresses
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