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Chapter 3
Chapter Test
Chapter Test
Read the questions carefully and choose the best answer.
This activity contains 35 questions.
Rocks are classified according to the mode of origin. Match the rock group with the catch-phrase describing the origin.
A matching question presents 3 answer choices and 3 items. The answer choices are lettered A through C. The items are numbered 1.1 through 1.3. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice.
Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
change form
from fire
to settle
1.1 igneous
A
B
C
1.2 metamorphic
A
B
C
1.3 sedimentary
A
B
C
All the energy driving the processes of the Rock Cycle come from the Sun.
True
False
Rocks are unchanging masses.
True
False
Sediments are associated with
beach deposits
swampy areas
desert basins
floodplains
all of the above
We should study rocks
to understand Earth processes
to learn about the geologic past
because the materials have economic value
to understand phenomena such as volcanic eruptions
all of the above
Which one of the following is
not
an agent of metamorphism?
pressure
lithification
chemically active fluids
heat
The rock cycle allows us to view many of the interrelationships among different parts of the Earth system.
True
False
Based on composition, rhyolite is the volcanic igneous rock equivalent to intrusive or plutonic granite.
True
False
Igneous rocks are best classified according to texture and
size of crystals
rate of cooling
age
mineral composition
all of the above
Rocks sometimes contain features left by gas bubbles that formed as the lava solidifed, and these features are called
plutons
vesicles
crystals
porphyrite
felsic
Slow cooling of magma results in the formation of small aphanitic mineral crystals.
True
False
Which of the following terms is
not
used as one of the four basic igneous rock textures?
porphyritic
felsic
fine-grained
glassy
coarse-grained
According to Bowen's Reaction Series, quartz is often the first mineral to crystallize from a melt.
True
False
Pumice is more likely to form from lava or melts containing low amounts of SiO
2
.
True
False
Rocks associated with volcanic activity along the margins of continents often have a ________ composition.
rhyolitic
granitic
andesitic
basaltic
none of the above
Rocks with abundant light-colored silicate minerals such as quartz and potassium feldspar are best described as
ultramafic
mafic
felsic
volcanic
none of the above
Accumulation of silts and clays, and eventually the rocks siltstone and shale, is generally best associated with which one of the following environments?
swiftly flowing river
windy desert
quiet lagoon water
glacier
beach
Detrital sedimentary rocks are subdivided according to
color
the place where they were found
their age
particle size
hardness
Fossils found in sedimentary rocks can be used to
indicate certain periods of time
reconstruct details of Earth's history
match rocks of the same age that are found at different places
interpret past environments
all of the above
Which of the following is
not
a chemical sedimentary rock?
limestone
coal
rock salt
shale
rock gypsum
Loose particles accumulated after weathering of rocks and transported as solid particles are called detritus.
True
False
Sedimentary rocks made up of very fine-grained sediment ("clay" sized) are called
siltstone
conglomerate
sandstone
breccia
shale
The single most characteristic feature of sedimentary rocks are
mud cracks
cleavage planes
strata
crystals
ripple marks
Which of the following is
not
one of the most common cementing materials for detrital sedimentary rocks?
silica
calcite
peat
iron oxide
none of the above
Which of the following is considered a metamorphic rock?
bituminous coal
anthracite coal
lignite
peat
all of the above
Which of the following is considered a non-foliated metamorphic rock?
schist
marble
gneiss
slate
none of the above
Mineral alignment in a metamorphic rock usually gives the rock a porphyritic texture.
True
False
The recrystallization of limestone during contact metamorphism will form the metamorphic rock marble.
True
False
Thermal metamorphism is directly responsible for the creation of linear mountain belts.
True
False
Which of the following is least likely to form as a result of contact metamorphism?
hornfels
quartzite
schist
marble
none of the above
Hot metal-rich fluids associated with cooling magma bodies are called
igneous rocks
industrial waste
hydrothermal solutions
magma
all of the above
Disseminated gold (Au) and copper (Cu) deposits are not concentrated enough to be ore deposits.
True
False
Hydrothermal solutions are responsible for important metallic ores found in vein and disseminated deposits.
True
False
Metamorphic bituminous coal is characterized by a hard, shiny black nature and regarded as an important high-energy resource for industry.
True
False
Rocks forming during later stages of magma crystallization may form unusually large crystals called
granite
pegmatites
hydrothermal deposits
chambers
veins
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