Comprehensive Solutions
Save
Terms in this set (66)
If a xenolith included within D. The pluton formed after 55 Ma ago
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 pluton's
age based on the
numerical ages
,Radiocarbon is first D. atmosphere, nitrogen-14
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
A minimum of _____ seismic a. 3
stations is necessary to
determine the focus of an
earthquake
a. 3
b. 10
c. 1
d. 300
e. 5
Which seismic wave will the D. P, S surface
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
e. P, surface, S
,A volcanic neck is formed E. When a magma body solidifies within the vent of a
_____ and the surrounding volcano and the surrounding material is eroded
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
sedimentary layers.
c. When an irregular
shaped magma body
intrudes the country rock
that is > 100km^2
d. When an irregular
shaped magma body
intrudes the country rock
that is < 100km^2
e. When a magma body
solidifies within the vent of
a volcano and the
surrounding material is
eroded
In order to relieve stress B. 30
buildup that would cause a
magnitude 5 earthquake,
approximately how many
magnitude 4 earthquakes
would have to occur?
a.10
b. 30
c. 300
d. 900
e. 27,000
, Limestone generally E. None of the above answers are correct as limestone
precipitates in deep ocean typically precipitates in shallow ocean water
water because _____?
a. calcium carbonate
precipitates in cold water
b. calcium carbonate is less
soluble in cold water
c. calcium carbonate is
more soluble 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
Symmetric anticline folds A. bi-directional stresses
result from _____
a. bi-directional stresses
b. uni-directional stresses
c. extensional stresses
d. erosion of plunging
anticlines and synclines
e. erosion of titled strata