Question 1

What kind of metamorphism will occur if the temperature is 800°C and the depth of metamorphism is 7 km?

Accepted Answer

A) Hydrothermal 
B) Contact 
C) Regional 
D) Subduction zone 
A) Hydrothermal 
B) Contact 
C) Regional 
D) Subduction zone

Question 2

Metamorphic facies derive their names from those metamorphic rocks specifically formed from a ________ parent.

Accepted Answer

A) basaltic 
B) granitic 
C) shale 
D) obsidian 
A) basaltic 
B) granitic 
C) shale 
D) obsidian

Question 3

Physical rotation of platy minerals will contribute most to the development of foliation in ________ grade metamorphism.

Accepted Answer

A) low- 
B) medium- 
C) medium-high- 
D) high- 
A) low- 
B) medium- 
C) medium-high- 
D) high-

Question 4

Assume that this foliated rock is oriented so that north is at the top of the image.From which compass directions is the greatest differential stress coming?

Accepted Answer

A) North and south 
B) North and east 
C) South and west 
D) West and east 
A) North and south 
B) North and east 
C) South and west 
D) West and east

Question 5

Marble and quartzite can be similar in appearance.Name two simple ID techniques that can be used to differentiate between the two.

Accepted Answer

Marble reacts with HCl, while

Question 6

Which of the following environments would most likely produce metamorphism in fault zones?

Accepted Answer

A) Great depth and low temperatures 
B) Shallow depth and low temperatures 
C) Great depth and high temperatures 
D) Shallow depth and high temperatures 
A) Great depth and low temperatures 
B) Shallow depth and low temperatures 
C) Great depth and high temperatures 
D) Shallow depth and high temperatures

Question 7

Metamorphism ends when the rock begins to melt.

Accepted Answer

A) True 
 B)False

Question 8

Which of these mineral assemblages is characteristic of a greenschist facies?

Accepted Answer

A) Potassium feldspar, biotite, and quartz 
B) Chlorite, epidote, and serpentine 
C) Hornblende 
D) Quartz and muscovite 
A) Potassium feldspar, biotite, and quartz 
B) Chlorite, epidote, and serpentine 
C) Hornblende 
D) Quartz and muscovite

Question 9

What is the most important factor driving metamorphism?

Accepted Answer

A) Pressure 
B) Heat 
C) Hydrothermal fluids 
D) Orientation 
A) Pressure 
B) Heat 
C) Hydrothermal fluids 
D) Orientation

Question 10

Compare and contrast confining pressure and compressional stress relating to metamorphic rocks.What will happen to the mineral crystals in each situation? Also, provide examples of geologic environments where such pressure would be the main agent of metamorphism.

Accepted Answer

Confining pressure on metamorphic rocks

Question 11

________ metamorphism will occur where two blocks of rock are grinding against each other.

Accepted Answer

A) Impact 
B) Regional 
C) Hydrothermal 
D) Fault zone 
A) Impact 
B) Regional 
C) Hydrothermal 
D) Fault zone

Question 12

________ are materials that are good indicators of the metamorphic environment in which they formed and can be used to distinguish between various zones of metamorphism.

Accepted Answer

A) Index fossils 
B) Index minerals 
C) Blueschists 
D) Aureoles 
A) Index fossils 
B) Index minerals 
C) Blueschists 
D) Aureoles

Question 13

What is the name of this rock? (Hint: It can scratch glass.)

Accepted Answer

A) Slate 
B) Quartzite 
C) Marble 
D) Gneiss 
A) Slate 
B) Quartzite 
C) Marble 
D) Gneiss

Question 14

What fluid is generally responsible for metasomatism?

Accepted Answer

A) Sulfuric acid 
B) Mixed air 
C) Water 
D) Petroleum 
A) Sulfuric acid 
B) Mixed air 
C) Water 
D) Petroleum

Question 15

Which of the following is the parent rock of quartzite?

Accepted Answer

A) Limestone 
B) Conglomerate 
C) Granite 
D) Sandstone 
A) Limestone 
B) Conglomerate 
C) Granite 
D) Sandstone

Question 16

What is the source of water for hydrothermal metamorphism?

Accepted Answer

A) Groundwater percolating from the surface 
B) Fluids coming off magma plutons 
C) Black smokers sucking seawater into the subsurface 
D) Groundwater from the surface and fluids from magma plutons 
A) Groundwater percolating from the surface 
B) Fluids coming off magma plutons 
C) Black smokers sucking seawater into the subsurface 
D) Groundwater from the surface and fluids from magma plutons

What kind of metamorphism will occur if the temperature is 800°C and the depth of metamorphism is 7 km?

Metamorphic facies derive their names from those metamorphic rocks specifically formed from a ________ parent.

Physical rotation of platy minerals will contribute most to the development of foliation in ________ grade metamorphism.

Assume that this foliated rock is oriented so that north is at the top of the image.From which compass directions is the greatest differential stress coming?

Marble and quartzite can be similar in appearance.Name two simple ID techniques that can be used to differentiate between the two.

Which of the following environments would most likely produce metamorphism in fault zones?

Metamorphism ends when the rock begins to melt.

Which of these mineral assemblages is characteristic of a greenschist facies?

What is the most important factor driving metamorphism?

Compare and contrast confining pressure and compressional stress relating to metamorphic rocks.What will happen to the mineral crystals in each situation? Also, provide examples of geologic environments where such pressure would be the main agent of metamorphism.

________ metamorphism will occur where two blocks of rock are grinding against each other.

________ are materials that are good indicators of the metamorphic environment in which they formed and can be used to distinguish between various zones of metamorphism.

What is the name of this rock? (Hint: It can scratch glass.)

What fluid is generally responsible for metasomatism?

Which of the following is the parent rock of quartzite?

What is the source of water for hydrothermal metamorphism?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Magma, Igneous Rocks, and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soil

Sedimentary Rocks

Geologic Time

Crustal Deformation

Earthquakes

Earths Interior

Divergent Boundaries

Convergent Boundaries

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Global Climate Change

Earths Evolution Through Geologic Time

Energy and Mineral Resources

Touring Our Solar System

Filters

Exam 8: Metamorphism and Metamorphic Rocks

What kind of metamorphism will occur if the temperature is 800°C and the depth of metamorphism is 7 km?

Metamorphic facies derive their names from those metamorphic rocks specifically formed from a ________ parent.

Physical rotation of platy minerals will contribute most to the development of foliation in ________ grade metamorphism.

Assume that this foliated rock is oriented so that north is at the top of the image.From which compass directions is the greatest differential stress coming?

Marble and quartzite can be similar in appearance.Name two simple ID techniques that can be used to differentiate between the two.

Which of the following environments would most likely produce metamorphism in fault zones?

Metamorphism ends when the rock begins to melt.

Which of these mineral assemblages is characteristic of a greenschist facies?

What is the most important factor driving metamorphism?

Compare and contrast confining pressure and compressional stress relating to metamorphic rocks.What will happen to the mineral crystals in each situation? Also, provide examples of geologic environments where such pressure would be the main agent of metamorphism.

________ metamorphism will occur where two blocks of rock are grinding against each other.

________ are materials that are good indicators of the metamorphic environment in which they formed and can be used to distinguish between various zones of metamorphism.

What is the name of this rock? (Hint: It can scratch glass.)

What fluid is generally responsible for metasomatism?

Which of the following is the parent rock of quartzite?

What is the source of water for hydrothermal metamorphism?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Magma, Igneous Rocks, and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soil

Sedimentary Rocks

Geologic Time

Crustal Deformation

Earthquakes

Earths Interior

Divergent Boundaries

Convergent Boundaries

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Global Climate Change

Earths Evolution Through Geologic Time

Energy and Mineral Resources

Touring Our Solar System

Filters