Sedimentary and Metamorphic Rocks
Practice Test
1.
What processes aid in the formation of sediments?
a.
erosion only
b.
deposition and solidification
c.
weathering and erosion
d.
weathering and metamorphism
2.
What type of metamorphic rock is a result of increased pressure and temperature affecting large regions of Earth's crust?
SC.D.1.4.2
a.
foliated metamorphism
b.
contact metamorphism
c.
hydrothermal metamorphism
d.
regional metamorphism
3.
The grains of a breccia most likely traveled __________ than the grains in a conglomerate.
a.
the same distance
b.
a farther distance
c.
a different distance
d.
a shorter distance
4.
__________ metamorphic rocks are formed at high temperatures and medium to low pressures.
SC.D.1.4.2
a.
Regional
b.
Hydrothermal
c.
Contact
d.
Low-grade
5.
Using the figure, what is the temperature range to produce low-grade regional metamorphic rock?
SC.D.1.4.2
a.
more than 750 degrees C
b.
200-600 degrees C
c.
0-200 degrees C
d.
0-375 degrees C
6.
Pieces of preexisting rocks are called __________.
a.
atoms
b.
rocks
c.
sediments
d.
minerals
7.
Sedimentary layers with distinct grain sizes progressing from larger to smaller are called __________.
a.
glacial deposits
b.
layered deposits
c.
graded beds
d.
unsorted deposits
8.
Metamorphic rocks with aligned minerals have a __________ texture.
SC.D.1.4.2
a.
foliated
b.
nonfoliated
c.
compact
d.
distinct
9.
Which of the following is an example of an evaporite?
a.
shale
b.
breccia
c.
rock salt
d.
coal
10.
Before metamorphism, marble was what type of rock?
SC.D.1.4.2
a.
limestone
b.
schist
c.
rock salt
d.
siltstone
11.
What are the two types of weathering?
a.
cementation and chemical
b.
erosion and chemical
c.
erosion and physical
d.
physical and chemical
12.
Why are sedimentary rocks important?
SC.D.1.4.3
a.
They provide many natural resources and evidence of Earth's past.
b.
They provide building stones.
c.
They contain fossils.
d.
They contain gemstones of high value.
13.
How are clastic rocks classified?
a.
method of depostion
b.
metamorphic grade
c.
particle size
d.
mineralogy
14.
What process reduces the pore space in sediments due to the weight of overlying sediments?
a.
compaction
b.
erosion
c.
metamorphism
d.
cementation
15.
A glacial deposit often is __________.
a.
unsorted
b.
well-sorted
c.
cross-bedded
d.
rippled
