Question 1

Figure 6.2  
-Using Figure 6.2 in your textbook, what grade of metamorphism is found at 400C and 4 kilobars of pressure?

Accepted Answer

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

Question 2

What aluminosilicate polymorph is stable at a pressure of 8 kilobars and a temperature of 800 degrees C?

Accepted Answer

A)  sillimanite 
B)  andalusite 
C)  kyanite 
D)  kyanite and sillimanite 
A)  sillimanite 
B)  andalusite 
C)  kyanite 
D)  kyanite and sillimanite

Question 3

Which does not occur as a result of metamorphic change?

Accepted Answer

A)  New minerals form and old ones disappear. 
B)  Fluid intrusions wash away minerals. 
C)  Rocks break apart and crumble. 
D)  Rock texture is altered by changes in orientation of minerals. 
A)  New minerals form and old ones disappear. 
B)  Fluid intrusions wash away minerals. 
C)  Rocks break apart and crumble. 
D)  Rock texture is altered by changes in orientation of minerals.

Question 4

What is the difference between limestone and marble?

Accepted Answer

A)  chemical composition 
B)  crystal size and shape 
C)  color 
D)  source rock 
A)  chemical composition 
B)  crystal size and shape 
C)  color 
D)  source rock

Figure 6.2 -Using Figure 6.2 in your textbook, what grade of metamorphism is found at 400C and 4 kilobars of pressure?

What aluminosilicate polymorph is stable at a pressure of 8 kilobars and a temperature of 800 degrees C?

Which does not occur as a result of metamorphic change?

What is the difference between limestone and marble?

Why Study Earth

Minerals: Building Blocks of the Planet

Rocks and Rock-Forming Processes

Formation of Magma and Igneous Rocks

Formation of Sediment and Sedimentary Rocks

Earth Materials As Time Keepers

Earth Materials As Time Keepers

Making Earth

Motion Inside Earth

Deformation of Rocks

Global Tectonics: Plates and Plumes

Tectonics and Surface Relief

Soil Formation and Landscape Stability

Mass Movements: Landscapes in Motion

Streams: Flowing Water Shapes the Landscape

Water Flowing Underground

Glaciers: Cold-Climate Sculptors of Continents

Shorelines: Changing Landscapes Where Land Meets Sea

Wind: a Global Geologic Process

Global Warming: Real Time Change in the Earth System

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Exam 6: Formation of Metamorphic Rocks

Figure 6.2 -Using Figure 6.2 in your textbook, what grade of metamorphism is found at 400C and 4 kilobars of pressure?

What aluminosilicate polymorph is stable at a pressure of 8 kilobars and a temperature of 800 degrees C?

Which does not occur as a result of metamorphic change?

What is the difference between limestone and marble?

Why Study Earth

Minerals: Building Blocks of the Planet

Rocks and Rock-Forming Processes

Formation of Magma and Igneous Rocks

Formation of Sediment and Sedimentary Rocks

Earth Materials As Time Keepers

Earth Materials As Time Keepers

Making Earth

Motion Inside Earth

Deformation of Rocks

Global Tectonics: Plates and Plumes

Tectonics and Surface Relief

Soil Formation and Landscape Stability

Mass Movements: Landscapes in Motion

Streams: Flowing Water Shapes the Landscape

Water Flowing Underground

Glaciers: Cold-Climate Sculptors of Continents

Shorelines: Changing Landscapes Where Land Meets Sea

Wind: a Global Geologic Process

Global Warming: Real Time Change in the Earth System

Filters