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Earth Science Rocks and minerals Assessment Flashcards | StudBud
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Earth Science Rocks and minerals Assessment
Earth Science Rocks and minerals Assessment
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1
Which sample is igneous and has a coarse texture?
sandstone
basalt
granite
2
The chemical precipitation of dissolved minerals from ocean water results in the formation of
sedimentary rock
fine-grained igneous rock
metamorphic rock
coarse-grained igneous rock
3
Rocks are classified as igneous, sedimentary, or metamorphic based primarily on their
crystal or grain size
method of formation
mineral composition
texture
4
The distorted structure of this rock is most likely the result of
extreme pressure
glacial activity
wind erosion
5
Which geologic process is occurring to cause this conversion?
intrusion of magma
metamorphism
sedimentary layering
weathering
6
Which mineral has a different common color from its color in powdered form (streak)?
brucite
magnesite
olivine
7
Which material is made mostly of the mineral quartz?
window glass
plaster of paris
pencil lead
sulfuric acid
8
Which type of rock was chemically weathered by acidic groundwater to produce the cave and its features?
limestone
quartzite
siltstone
basalt
9
Which two terms best describe this rock?
metamorphic; non-foliated
igneous; intrusive
igneous; extrusive
metamorphic; foliated
10
Which statement about the formation of a rock is best supported by the rock cycle?
Sediment must be compacted and cemented before it can change to sedimentary
Magma must be weathered before it can change to metamorphic rock.
Metamorphic rock must melt before it can change to sedimentary rock.
11
Which rock is formed as a result of these three stages?
gneiss
coal
schist
12
Which of the following is NOT a characteristic of minerals?
crystalline structure
organic
naturally occuring
solid
13
What type of rock is located at Position B?
sedimentary
metamorphic
igneous
14
The diagram below shows how mica breaks when hit with a hammer. This mineral breaks in smooth flat surfaces because it
has cleavage
is very dense
has fracture
is very hard
15
Which
two
minerals have compositions that are most similar to calcite? [CaCO3]
brucite and carnallite
magnesite and olivine
carnallite and dolomite
dolomite and magnesite
16
Which mineral might scratch fluorite, with a hardness of 4, but would not scratch amphibole, with a hardness of 5?
magnesite
olivine
brucite
carnallite
17
Which rock has a foliated texture?
Basalt
Gneiss
Granite
Conglomerate
18
When clay materials are buried to a depth of 14 kilometers, which type of metamorphic rock is normally formed?
slate
shale
schist
phyllite
19
In which type of rock were the fossils most likely found?
igneous rock that formed in an ocean environment
igneous rock that formed in a land environment
sedimentary rock that formed in a land environment
sedimentary rock that formed in an ocean environment
20
Which mineral is mined for its aluminum content?
gypsum (CaSO4(H2O)2)
fluorite (CaF2)
quartz (SiO2)
bauxite (Al(OH)3)
21
Which type of rock goes in letter A
igneous
metamorphic
sedimentary
22
Which process is necessary for the formation of igneous rocks?
solidification
erosion
metamorphism
deposition
23
Which two processes formed this rock?
compaction and cementation
melting and solidification
heating and application of pressure
24
Which statement is best supported by the diagram?
A steel file has a hardness of about 7.5.
The mineral apatite will scratch topaz.
Calcite will be scratched by a copper penny.
A fingernail will scratch calcite but not gypsum.
25
What type of material would be found in the oval labeled C
rocks
magma
crystals
sediment
26
Which type(s) of rock can be the source of deposited sediments?
sedimentary rocks, only
metamorphic and sedimentary rocks, only
igneous, metamorphic, and sedimentary rocks
igneous and metamorphic rocks, only
27
Which are the names of the mineral tests in this image?
A—cleavage; B—hardness; C—streak
A—cleavage; B—streak; C—hardness
A—streak; B—cleavage; C—hardness
28
Use the Graphic to help you determine which table correctly classifies each rock type?
A
B
C
29
A mafic igneous rock is most likely to be relatively
high in density and dark in color
high in density and light in color
low in density and dark in color
low in density and light in color
30
Which mineral is the major component of drywall?
talc
selenite gypsum
muscovite mica
calcite
