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Rocks and Minerals Flashcards | StudBud
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Rocks and Minerals
Rocks and Minerals
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Rock and Mineral review for HS Earth Science
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
What rock is composed of cemented seashells?
granite
rice krispies
limestone
conglomerate
2
Which mineral will scratch dolomite and is scratched by olivine?
potassium feldspar
muscovite mica
quartz
galena
3
Which type of rock will form from the metamorphism of sandstone?
quartzite
slate
gneiss
marble
4
Which mineral leaves a green-black powder when rubbed against an unglazed porcelain plate?
graphite
galena
hematite
pyrite
5
Scratching a mineral against a glass plate is a method used for determining the mineral's...
luster
hardness
cleavage
color
6
What rock only forms by contact metamorphism?
hornfels
schist
marble
shale
7
A fine-grained, dark colored igneous rock is most likely...
rhyolite
diorite
gabbro
basalt
8
How do the metamorphic rocks schist and quartzite differ?
Quartzite form from regional metamorphism and schist doesn't
Schist is foliated and quartzite is not
Schist is organically formed and quartzite is not
Quartzite contains the mineral quartz and schist does not
9
Which two igneous rocks could have the same mineral composition?
peridotite and andesite
pumice and scoria
rhyolite and diorite
gabbro and basalt
10
Which mineral property is illustrated by the peeling of muscovite mica into thin sheets?
luster
streak
cleavage
hardness
11
What is the hardest known mineral?
Diamond
Sapphire
Quartz
Talc
12
If immense heat and pressure were applied to limestone rock what new rock would it become?
marble
rock salt
diorite
quartzite
13
What sedimentary rock would be formed by the compaction and cementation of particles .08 cm?
siltstone
metaconglomerate
breccia
sandstone
14
Which rock forms under conditions of high temperature and pressure?
S'mores
gneiss
obsidian
granite
15
What does a glassy texture indicate about the cooling rate of a rock?
quickly, deep below Earth's surface
slowly, on Earth's surface
slowly, deep below Earth's surface
quickly, on Earth's surface
16
A mineral's crystal shape and physical properties are a direct result of the mineral's...
color
hardness
arrangement of atoms
abundance in nature
17
Which of the following elements is not found in plagioclase feldspar?
Na
Si
Pb
Al
18
What type of rock is composed of interlocking crystals?
fudge
metamorphic
igneous
sedimentary
19
Which rock is most likely to contain a fossil?
gabbro
schist
shale
scoria
20
Which igneous rock has vesicular texture and a felsic compositon?
Basalt
Pumice
Granite
Scoria
21
How do igneous rocks form?
magma/lava cooling and solidifiying
compaction and cementation
weathering and erosion
heat and pressure
22
What factor determines how rocks are classified?
crystal or grain size
mineral composition
texture
method of formation
23
Which sequence of change in a rock occurs as shale is subjected to increasing heat & pressure?
shale→ slate→ schist→ phyllite→ gneiss
shale →gneiss→ phyllite→ slate →schist
shale→schist→phyllite→slate→gneiss
shale→slate→ phyllite→ schist→ gneiss
24
Which process is necessary for the formation of an igneous rock?
erosion
solidification
deposition
metamorphism
25
Which mineral will bubble when acid is placed on it?
potassium feldspar
garnet
calcite
pyroxene
