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Multiple Choice Quiz
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Use this sample examination to test your knowledge of concepts learned from Chapter 7 - AND TURN DOWN THE MUSIC!

1
Foliation is:
A)layering observed in sedimentary rocks
B)alignment of any kind observed in any kind of rocks
C)an alignment of mineral grains in a metamorphic rock
D)layering of igneous rocks
2
Foliated metamorphic rocks are never:
A)foliated
B)high-grade
C)caused by contact with magma
D)low grade
3
Shearing is a type of:
A)compressive stress
B)lithostatic pressure
C)differential stress
D)confining pressure
4
Metamorphic rocks with a planar texture (minerals are aligned within the rock) are:
A)striated
B)layered
C)foliated
D)concordant
5
Metamorphic rocks are classified primarily according to:
A)texture - the presence/absence of foliation
B)chemical composition
C)environment of deposition
D)hardness
6
Which of the following is a non-foliated metamorphic rock?
A)gneiss
B)slate
C)quartzite
D)phyllite
7
The major difference between metamorphism and metasomatism is:
A)the temperature at which each occurs
B)the minerals that are affected
C)the area or region involved
D)metasomatism is metamorphism with the introduction of additional ions from an external source
8
Ore bodies at divergent plate margins can be formed by:
A)contact metamorphism
B)regional metamorphism
C)hydrothermal processes
D)none of these
9
Metamorphic rocks with the same mineral assemblage belong to the same:
A)metamorphic facies
B)metamorphic rock
C)metamorphic history
D)all of these
10
A metamorphic rock that has undergone partial melting to produce a hybrid metamorphic-igneous rock is called:
A)gneiss
B)hornfels
C)migmatite
D)schist
11
Which of the following lists is arranged in order from highest to lowest grade of metamorphic rock?
A)gneiss, slate, schist, phyllite
B)gneiss, schist, phyllite, slate
C)slate, gneiss, phyllite, schist
D)slate, phyllite, schist, gneiss
12
Regional metamorphism is associated with:
A)divergent plate boundaries
B)transform plate boundaries
C)convergent plate boundaries
D)all plate boundaries
13
The generally accepted temperature limits for metamorphism are:
A)metamorphism occurs at all temperatures
B)there are no temperature limits to metamorphism because it is a continuum
C)metamorphism is limited by pressure, not temperature
D)200 degrees Celsius to rock melting
14
The principal agents of metamorphism are:
A)heat and pressure
B)heat and magma
C)confining pressure and directed stress
D)Sean Connery and Roger Moore
15
When rocks are metamorphosed, the mineral components of the rock are:
A)transformed in the solid state
B)melted first, then crystallized again to form a new rock
C)shattered by mechanical processes
D)ugly first, then beautiful
16
Contact metamorphism results whenever:
A)rocks are buried deeply beneath the crust
B)an earthquake occurs
C)lithospheric plates are in contact
D)magma is in contact with other rocks
17
Regional metamorphism:
A)produces metamorphic rocks over large areas
B)produces foliated metamorphic rocks
C)is occurring as you read this question
D)all of these
18
Slate is a metamorphic rock type associated with:
A)low temperature, high pressure conditions
B)low pressure, high temperature conditions
C)low pressure, low temperature conditions
D)high pressure, high temperature conditions
19
Gneiss is a metamorphic rock associated with:
A)high temperature, high pressuer conditions
B)high temperature, low pressure conditions
C)low temperature, low pressure conditions
D)low temperature, high pressure conditions
20
Metamorphism of limestone may contribute to global warming by the release of:
A)oxygen
B)sulfuric acid
C)carbon dioxide
D)nitrous oxide







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