Question 1

Match the description with the appropriate texture.
-________ rock has two or more, distinctly different-sized populations of mineral grains

Accepted Answer

A) aphanitic 
B) porphyritic 
C) phaneritic 
D) glass 
A) aphanitic 
B) porphyritic 
C) phaneritic 
D) glass

Question 2

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A) biotite 
B) hornblende 
C) augite 
D) plagioclase 
A) biotite 
B) hornblende 
C) augite 
D) plagioclase

Question 3

The process of magmatic differentiation can generate residual, more felsic magmas from mafic magmas such as basalt.

Accepted Answer

A) True 
 B)False

Question 4

________ is the process in which some host rock is incorporated into the magma.

Accepted Answer

The answer of ________ is the process in which some...

Question 5

Mantle upwelling under mid ocean ridge spreading centres leads to decompression melting.

Accepted Answer

A) True 
 B)False

Question 6

What general term denotes molten rock below the Earth's surface?

Accepted Answer

The answer of What general term denotes molten rock below...

Question 7

The behaviour and processes that govern the textures of magmatic rocks depend on the content of a magma's three distinct parts: ________.

Accepted Answer

A) andesite, basalt, and rhyolite 
B) quartz, feldspar, and ferromagnesian minerals 
C) solid, liquid, and gas 
D) high pressure, medium pressure, and low pressure 
A) andesite, basalt, and rhyolite 
B) quartz, feldspar, and ferromagnesian minerals 
C) solid, liquid, and gas 
D) high pressure, medium pressure, and low pressure

Question 8

Granite occurs in Kenora, Ontario, Maplewood, Nova Scotia, and the Coast Mountains of B.C.

Accepted Answer

A) True 
 B)False

Question 9

What two rock types are often found interlayered in the same volcanic deposit?

Accepted Answer

A) andesite and komatiite 
B) granite and gabbro 
C) obsidian and pumice 
D) peridotite and basalt 
A) andesite and komatiite 
B) granite and gabbro 
C) obsidian and pumice 
D) peridotite and basalt

Question 10

Which of the following minerals crystallize early in Bowen's reaction series?

Accepted Answer

A) biotite 
B) quartz 
C) olivine 
D) muscovite 
A) biotite 
B) quartz 
C) olivine 
D) muscovite

Question 11

Xenoliths are likely to be associated with which magmatic process and igneous rock body?

Accepted Answer

A) columnar jointing; lava flow 
B) flattening; welded ash flow tuffs 
C) magmatic differentiation; gabbro sill 
D) intrusion; granitic batholith 
A) columnar jointing; lava flow 
B) flattening; welded ash flow tuffs 
C) magmatic differentiation; gabbro sill 
D) intrusion; granitic batholith

Question 12

What is the rock colour (total % of dark minerals)of a typical granite or rhyolite?

Accepted Answer

A)  85% 
A)  85%

Question 13

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A) heat 
B) pressure 
C) size 
D) volatiles 
A) heat 
B) pressure 
C) size 
D) volatiles

Question 14

Changing the composition of magma by incorporating surrounding host rock is known as ________.

Accepted Answer

A) magma mixing 
B) partial melting 
C) differentiation 
D) assimilation 
A) magma mixing 
B) partial melting 
C) differentiation 
D) assimilation

Question 15

Dry granite melts at a higher temperature than dry basalt.

Accepted Answer

A) True 
 B)False

Question 16

Felsic rocks like granite ________.

Accepted Answer

A) are major constituents of the continental crust 
B) are extremely rare on Earth but abundant on the Moon 
C) form mainly in volcanic island chains 
D) make up most of the ocean floor and volcanic island chains 
A) are major constituents of the continental crust 
B) are extremely rare on Earth but abundant on the Moon 
C) form mainly in volcanic island chains 
D) make up most of the ocean floor and volcanic island chains

Question 17

Explosive volcanic eruptions occur ________.

Accepted Answer

A) when crystallization forces exceed the strength of the volcano 
B) in response to deflation of the volcano 
C) when violently escaping gases evolve suddenly to drop the magma density and propel molten magma from the chamber 
D) whenever basaltic magma extrudes on the seafloor 
A) when crystallization forces exceed the strength of the volcano 
B) in response to deflation of the volcano 
C) when violently escaping gases evolve suddenly to drop the magma density and propel molten magma from the chamber 
D) whenever basaltic magma extrudes on the seafloor

Question 18

The early crystallization of high temperature olivine (Mg2SiO4)causes the residual melt to have a lower silica content.

Accepted Answer

A) True 
 B)False

Question 19

On the blanks provided, write the name of the feature labeled.On the same blank, indicate with capital letters whether the feature is concordant (C)or discordant (D)and whether the feature is tabular (T)or massive (M).

Accepted Answer

a)volcano, D, M
b)la

Question 20

Name two igneous rocks with glassy textures.

Accepted Answer

The answer of Name two igneous rocks with glassy textures....

Match the description with the appropriate texture. -________ rock has two or more, distinctly different-sized populations of mineral grains

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

The process of magmatic differentiation can generate residual, more felsic magmas from mafic magmas such as basalt.

________ is the process in which some host rock is incorporated into the magma.

Mantle upwelling under mid ocean ridge spreading centres leads to decompression melting.

What general term denotes molten rock below the Earth's surface?

The behaviour and processes that govern the textures of magmatic rocks depend on the content of a magma's three distinct parts: ________.

Granite occurs in Kenora, Ontario, Maplewood, Nova Scotia, and the Coast Mountains of B.C.

What two rock types are often found interlayered in the same volcanic deposit?

Which of the following minerals crystallize early in Bowen's reaction series?

Xenoliths are likely to be associated with which magmatic process and igneous rock body?

What is the rock colour (total % of dark minerals)of a typical granite or rhyolite?

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Changing the composition of magma by incorporating surrounding host rock is known as ________.

Dry granite melts at a higher temperature than dry basalt.

Felsic rocks like granite ________.

Explosive volcanic eruptions occur ________.

The early crystallization of high temperature olivine (Mg²SiO⁴)causes the residual melt to have a lower silica content.

On the blanks provided, write the name of the feature labeled.On the same blank, indicate with capital letters whether the feature is concordant (C)or discordant (D)and whether the feature is tabular (T)or massive (M).

Name two igneous rocks with glassy textures.

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 3: Igneous Rocks

Match the description with the appropriate texture. -________ rock has two or more, distinctly different-sized populations of mineral grains

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

The process of magmatic differentiation can generate residual, more felsic magmas from mafic magmas such as basalt.

________ is the process in which some host rock is incorporated into the magma.

Mantle upwelling under mid ocean ridge spreading centres leads to decompression melting.

What general term denotes molten rock below the Earth's surface?

The behaviour and processes that govern the textures of magmatic rocks depend on the content of a magma's three distinct parts: ________.

Granite occurs in Kenora, Ontario, Maplewood, Nova Scotia, and the Coast Mountains of B.C.

What two rock types are often found interlayered in the same volcanic deposit?

Which of the following minerals crystallize early in Bowen's reaction series?

Xenoliths are likely to be associated with which magmatic process and igneous rock body?

What is the rock colour (total % of dark minerals)of a typical granite or rhyolite?

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Changing the composition of magma by incorporating surrounding host rock is known as ________.

Dry granite melts at a higher temperature than dry basalt.

Felsic rocks like granite ________.

Explosive volcanic eruptions occur ________.

The early crystallization of high temperature olivine (Mg2SiO4)causes the residual melt to have a lower silica content.

On the blanks provided, write the name of the feature labeled.On the same blank, indicate with capital letters whether the feature is concordant (C)or discordant (D)and whether the feature is tabular (T)or massive (M).

Name two igneous rocks with glassy textures.

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

The early crystallization of high temperature olivine (Mg²SiO⁴)causes the residual melt to have a lower silica content.