Question 1

At the surface,potassium feldspar reacts with water to form clay; this is an example of ____________.

Accepted Answer

A)  diagenesis 
B)  erosion 
C)  metamorphism 
D)  weathering 
A)  diagenesis 
B)  erosion 
C)  metamorphism 
D)  weathering D

Question 2

A mineral within a metamorphic rock that can be used to provide a narrow constraint on the temperature and pressure of formation of the rock is termed a(n)____________.

Accepted Answer

A)  thermineral 
B)  index mineral 
C)  mafic mineral 
D)  halide mineral 
A)  thermineral 
B)  index mineral 
C)  mafic mineral 
D)  halide mineral B

Question 3

Dynamothermal metamorphism produces ____________.

Accepted Answer

A)  foliated rocks only 
B)  nonfoliated rocks only 
C)  both foliated and nonfoliated rocks 
A)  foliated rocks only 
B)  nonfoliated rocks only 
C)  both foliated and nonfoliated rocks C

Question 4

Spreading peanut butter on bread is an application of ____________.

Accepted Answer

A)  compression 
B)  shear stress 
A)  compression 
B)  shear stress

Question 5

Burial metamorphism produces ____________.

Accepted Answer

A)  foliated rocks only 
B)  nonfoliated rocks only 
C)  both foliated and nonfoliated rocks 
A)  foliated rocks only 
B)  nonfoliated rocks only 
C)  both foliated and nonfoliated rocks

Question 6

____________ commonly serves as a protolith in the formation of marble.

Accepted Answer

A)  Limestone 
B)  Sandstone 
C)  Shale 
D)  Slate 
A)  Limestone 
B)  Sandstone 
C)  Shale 
D)  Slate

Question 7

As compared to the amphibolite metamorphic facies,the greenschist facies ____________.

Accepted Answer

A)  consists of lower-grade rocks 
B)  consists of higher-grade rocks 
C)  is an identical temperature and pressure regime; greenschists and amphibolites bear different mineral assemblages only because of differences in protolith chemistry 
A)  consists of lower-grade rocks 
B)  consists of higher-grade rocks 
C)  is an identical temperature and pressure regime; greenschists and amphibolites bear different mineral assemblages only because of differences in protolith chemistry

Question 8

Clay minerals within a buried body of shale are recrystallized at 400ºC and high pressure to form mica,producing a rock called phyllite; this is an example of ____________.

Accepted Answer

A)  diagenesis 
B)  erosion 
C)  metamorphism 
D)  weathering 
A)  diagenesis 
B)  erosion 
C)  metamorphism 
D)  weathering

Question 9

Within a single mountain range,____________.

Accepted Answer

A)  only low-grade metamorphic rocks are likely to be found 
B)  only high-grade metamorphic rocks are likely to be found 
C)  it is possible to find a variety of metamorphic rocks produced in distinct facies, including high-, low-, and intermediate-grade rocks 
A)  only low-grade metamorphic rocks are likely to be found 
B)  only high-grade metamorphic rocks are likely to be found 
C)  it is possible to find a variety of metamorphic rocks produced in distinct facies, including high-, low-, and intermediate-grade rocks

Question 10

A primary difference between phyllite and schist is ____________.

Accepted Answer

A)  schist contains mica, but phyllite contains only clay 
B)  phyllite contains mica, but schist contains only clay 
C)  mica crystals within schist are larger than those within phyllite 
D)  mica crystals within phyllite are larger than those within schist 
A)  schist contains mica, but phyllite contains only clay 
B)  phyllite contains mica, but schist contains only clay 
C)  mica crystals within schist are larger than those within phyllite 
D)  mica crystals within phyllite are larger than those within schist

Question 11

Thermal (contact)metamorphism produces ____________.

Accepted Answer

A)  foliated rocks only 
B)  nonfoliated rocks only 
C)  both foliated and nonfoliated rocks 
A)  foliated rocks only 
B)  nonfoliated rocks only 
C)  both foliated and nonfoliated rocks

Question 12

Thermal (contact)metamorphism occurs ____________.

Accepted Answer

A)  in areas surrounding igneous intrusions 
B)  only where gneiss is in contact with schist 
C)  as consequence of the sinking of a broad region to great depth 
D)  only at the surface, where rock is in contact with the atmosphere 
A)  in areas surrounding igneous intrusions 
B)  only where gneiss is in contact with schist 
C)  as consequence of the sinking of a broad region to great depth 
D)  only at the surface, where rock is in contact with the atmosphere

Question 13

Foliated metamorphic rocks possess ____________.

Accepted Answer

A)  leafy plant fossils (ancient foliage) 
B)  a homogeneous texture resulting from randomly oriented grains 
C)  a planar fabric consisting of mineral grains in preferred orientations or preferred patterns of association (banding) 
D)  minerals precipitated directly from sea water 
A)  leafy plant fossils (ancient foliage) 
B)  a homogeneous texture resulting from randomly oriented grains 
C)  a planar fabric consisting of mineral grains in preferred orientations or preferred patterns of association (banding) 
D)  minerals precipitated directly from sea water

Question 14

Net chemical change in metamorphic rock induced by reaction with hot groundwater is termed ____________.

Accepted Answer

A)  foliation 
B)  metasomatism 
C)  anachronism 
A)  foliation 
B)  metasomatism 
C)  anachronism

Question 15

Metamorphism brings changes in mineral arrangement and the texture of rocks,but it never leads to new mineral assemblages.

Accepted Answer

A) True 
 B)False

Question 16

Gneiss typically forms under higher pressures than hornfels.

Accepted Answer

A) True 
 B)False

Question 17

The protolith subjected to metamorphism ____________.

Accepted Answer

A)  is always metamorphic rock to begin with 
B)  is always igneous rock 
C)  is always sedimentary rock 
D)  may belong to any of the three primary rock types 
A)  is always metamorphic rock to begin with 
B)  is always igneous rock 
C)  is always sedimentary rock 
D)  may belong to any of the three primary rock types

Question 18

The process of high-grade metamorphic rocks being altered to form low-grade metamorphic rocks is termed ____________ metamorphism.

Accepted Answer

A)  foliated 
B)  prograde 
C)  retrograde 
D)  dynamic 
A)  foliated 
B)  prograde 
C)  retrograde 
D)  dynamic

Question 19

Squashing a fly with a flyswatter is an example of ____________.

Accepted Answer

A)  compression 
B)  shear stress 
A)  compression 
B)  shear stress

Question 20

Which type of metamorphism affects the greatest volumes of rock?

Accepted Answer

A)  thermal metamorphism 
B)  dynamothermal metamorphism 
C)  dynamic metamorphism 
A)  thermal metamorphism 
B)  dynamothermal metamorphism 
C)  dynamic metamorphism

At the surface,potassium feldspar reacts with water to form clay; this is an example of ____________.

A mineral within a metamorphic rock that can be used to provide a narrow constraint on the temperature and pressure of formation of the rock is termed a(n)____________.

Dynamothermal metamorphism produces ____________.

Spreading peanut butter on bread is an application of ____________.

Burial metamorphism produces ____________.

____________ commonly serves as a protolith in the formation of marble.

As compared to the amphibolite metamorphic facies,the greenschist facies ____________.

Clay minerals within a buried body of shale are recrystallized at 400ºC and high pressure to form mica,producing a rock called phyllite; this is an example of ____________.

Within a single mountain range,____________.

A primary difference between phyllite and schist is ____________.

Thermal (contact)metamorphism produces ____________.

Thermal (contact)metamorphism occurs ____________.

Foliated metamorphic rocks possess ____________.

Net chemical change in metamorphic rock induced by reaction with hot groundwater is termed ____________.

Metamorphism brings changes in mineral arrangement and the texture of rocks,but it never leads to new mineral assemblages.

Gneiss typically forms under higher pressures than hornfels.

The protolith subjected to metamorphism ____________.

The process of high-grade metamorphic rocks being altered to form low-grade metamorphic rocks is termed ____________ metamorphism.

Squashing a fly with a flyswatter is an example of ____________.

Which type of metamorphism affects the greatest volumes of rock?

The Earth in Context

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rocks

The Wrath of Vulcan: Volcanic Eruptions

Pages of Earths Past: Sedimentary Rocks

A Violent Pulse: Earthquakes

Crags, cracks, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Riches in Rock: Energy and Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Running Water: the Geology of Streams and Floods

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

Dry Regions: the Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

Filters

Exam 7: Metamorphism: a Process of Change

At the surface,potassium feldspar reacts with water to form clay; this is an example of ____________.

A mineral within a metamorphic rock that can be used to provide a narrow constraint on the temperature and pressure of formation of the rock is termed a(n)____________.

Dynamothermal metamorphism produces ____________.

Spreading peanut butter on bread is an application of ____________.

Burial metamorphism produces ____________.

____________ commonly serves as a protolith in the formation of marble.

As compared to the amphibolite metamorphic facies,the greenschist facies ____________.

Clay minerals within a buried body of shale are recrystallized at 400ºC and high pressure to form mica,producing a rock called phyllite; this is an example of ____________.

Within a single mountain range,____________.

A primary difference between phyllite and schist is ____________.

Thermal (contact)metamorphism produces ____________.

Thermal (contact)metamorphism occurs ____________.

Foliated metamorphic rocks possess ____________.

Net chemical change in metamorphic rock induced by reaction with hot groundwater is termed ____________.

Metamorphism brings changes in mineral arrangement and the texture of rocks,but it never leads to new mineral assemblages.

Gneiss typically forms under higher pressures than hornfels.

The protolith subjected to metamorphism ____________.

The process of high-grade metamorphic rocks being altered to form low-grade metamorphic rocks is termed ____________ metamorphism.

Squashing a fly with a flyswatter is an example of ____________.

Which type of metamorphism affects the greatest volumes of rock?

The Earth in Context

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rocks

The Wrath of Vulcan: Volcanic Eruptions

Pages of Earths Past: Sedimentary Rocks

A Violent Pulse: Earthquakes

Crags, cracks, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Riches in Rock: Energy and Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Running Water: the Geology of Streams and Floods

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

Dry Regions: the Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

Filters