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Earth Science: Sedimentary Rocks
Test Description: A review of sedimentary rocks.
Instructions: Answer all questions to get your test result.
1) Most sedimentary rocks are composed of
A
composed of mienrals of igneous rocks
B
composed primarily of weathered remains of rocks
C
composed of mixtures of igneous and metamorphic rocks
D
composed primarily of different minerals from Earth
2) Sedimentary rocks form from
A
weather patterns changing
B
compression, rock layering
C
cementing and weathering
D
compression, cementing of grains
3) Fragmental rocks are made up of
A
same sized particles
B
large particles
C
different sized particles
D
small particles
4) Two types of sedimentary rocks that do not fit the scheme are
A
organic and weathered
B
none of the above
C
organic and crystalline
D
crystalline and weathered
5) What rock are formed mainly from the remains of living things
A
breccia
B
shale
C
coal
D
rock salt
6) Some sedimentary rocks form as a direct result of
A
erosion of solid rock
B
solidification of melted rock
C
evaporation of seawater
D
recrystallization just before melting
7) I have a crystalline structure with a varied grain size and halite in composition
A
rock gypsum
B
dolostone
C
limestone
D
rock salt
8) I have a fragmental texture and a 0.2 to 0.0006cm grain size. I have a fine to coarse grain size.
A
conglomerate
B
sandstone
C
breccia
D
shale
9) I have a crystalline structure that varies in grain size and am made up of dolomite.
A
rock salt
B
coal
C
dolostone
D
limestone
10) I have a clastic texture with less than 0.0004cm. I am compact.
A
breccia
B
shale
C
siltstone
D
sandstone
*select an answer for all questions
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