Metamorphic_Rocks_SC
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School
SUNY Buffalo State College *
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Course
503
Subject
Geology
Date
Dec 6, 2023
Type
Pages
3
Uploaded by GeneralUniverse3446
A)
sedimentary layering
B)
intrusion of magma
C) metamorphism
D) weathering
1. The diagram below indicates physical changes that accompany the conversion of shale to gneiss.
Which geologic process is occurring to cause this conversion?
A)
marble
B)
schist
C)
slate
D)
anthracite coal
2. The photograph below shows a large outcrop of rock composed primarily of visible crystals of mica,
quartz, and feldspar.
Based on the composition and foliated texture, this rock can best be identified as
A)
A
B)
B
C)
C
D)
D
3. The cross section below represents a portion of Earth's crust. Letters
A
through
D
are locations within
the rock units.
At which location is quartzite most likely found?
A) slate
B) hornfels
C) dunite
D) marble
4. Which rock is only formed by regional metamorphism?
5.
Base your answer to the following question on the geologic cross section below. Location
A
is within
the metamorphic rock.
A) marble
B) quartzite
C) phyllite
D) slate
The metamorphic rock at location
A
is most likely
A)
cementing together of individual miner grains
B)
cooling and crystallization of magma
C)
evaporation of an ancient ocean
D)
heat and pressure during metamorphism
6. Wavy bands of light and dark minerals visible in gneiss bedrock probably formed from the
A) slate
B) dunite
C) gneiss
D) quartzite
7. The rock shown below has a foliated texture and contains the minerals amphibole, quartz, and feldspar
arranged in coarse-grained bands.
Which rock is shown?
A)
glassy texture with gas pockets
B)
clastic texture with angular fragments
C)
bioclastic texture with cemented shell fragments
D)
foliated texture with microscopic mica crystals
8. Which physical characteristic best describes the rock phyllite?
A) phyllite
B) schist
C) gneiss
D) quartzite
9. Which rock is foliated, shows mineral alignment but not banding, and contains medium-sized grains of
quartz and pyroxene?
A) shale
schist
phyllite
slate
gneiss
B) shale
slate
phyllite
schist
gneiss
C) shale
gneiss
phyllite
slate
schist
D) shale
gneiss
phyllite
schist
slate
10. Which sequence of change in rock type occurs as shale is subjected to increasing heat and pressure?
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