Earth Science: Geology, the Environment, and the Universe

Section 2: Types of Sedimentary Rocks

Types of Sedimentary Rocks

1
Which of the following is an example of an evaporite?
A)breccia
B)coal
C)rock salt
D)shale
2
Sedimentary layers with distinct grain sizes progressing from larger to smaller are called __________.
A)layered deposits
B)glacial deposits
C)graded beds
D)unsorted deposits
3
What would happen to the pond in the figure if the freshwater inflow stream and path to the ocean disappeared?
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A)It would produce extrusive igneous rocks.
B)All life will stop living in the pond.
C)Water would come from somewhere else.
D)The entire lake would eventually evaporate away, leaving only evaporites.
4
How are clastic rocks classified?
A)method of depostion
B)particle size
C)mineralogy
D)metamorphic grade
5
A __________ ranges in grain size from 2 mm to 0.062 mm.
A)sand grain
B)silt grain
C)boulder
D)cobble
6
Why are sedimentary rocks important?
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.
7
The grains of a breccia most likely traveled __________ than the grains in a conglomerate.
A)a shorter distance
B)a farther distance
C)the same distance
D)a different distance
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