Question 1

Which mineral,quartz or feldspar,will crystallize first? Why?

Accepted Answer

Minerals with high silica cont

Question 2

Slate is metamorphosed

Accepted Answer

A) granite,a foliated rock with alternating layers of dark platy minerals and lighter granular minerals. 
B) shale,a foliated rock composed of very small particles and flakes of mica. 
C) marble,a foliated rock with water-tight crystals. 
D) limestone. 
A) granite,a foliated rock with alternating layers of dark platy minerals and lighter granular minerals. 
B) shale,a foliated rock composed of very small particles and flakes of mica. 
C) marble,a foliated rock with water-tight crystals. 
D) limestone.

Question 3

The two most common igneous rocks are basalt and granite.Basalt is commonly found ________,and granite is found ________.

Accepted Answer

A) on the ocean floor; on the continents 
B) on both the ocean floor and continental land; only on the continents 
C) on the continents; on the ocean floor 
D) on the ocean floor; on both the ocean floor and on continental land 
A) on the ocean floor; on the continents 
B) on both the ocean floor and continental land; only on the continents 
C) on the continents; on the ocean floor 
D) on the ocean floor; on both the ocean floor and on continental land

Question 4

The last minerals to crystallize are those with the

Accepted Answer

A) higher melting point. 
B) lower melting point. 
A) higher melting point. 
B) lower melting point.

Question 5

A composite volcano is formed by

Accepted Answer

A) successive flows of fluid basaltic lava. 
B) a mixture of rock and lava. 
C) alternating layers of lava,ash,and mud flow debris. 
D) the accumulation of ash,cinders,and rock debris. 
A) successive flows of fluid basaltic lava. 
B) a mixture of rock and lava. 
C) alternating layers of lava,ash,and mud flow debris. 
D) the accumulation of ash,cinders,and rock debris.

Question 6

How does silica content effect volcanic eruptions?

Accepted Answer

Silica content greatly effects magma vis

Question 7

Rocks altered by heat and pressure beneath Earth's surface are

Accepted Answer

A) intrusive igneous rocks. 
B) extrusive sedimentary rocks. 
C) metamorphic rocks. 
D) igneous rocks. 
A) intrusive igneous rocks. 
B) extrusive sedimentary rocks. 
C) metamorphic rocks. 
D) igneous rocks.

Question 8

The process of crystallization enriches a magma in

Accepted Answer

A) silica. 
B) minerals that have low melting points. 
C) silica and other minerals that have low melting points. 
D) all of the above. 
A) silica. 
B) minerals that have low melting points. 
C) silica and other minerals that have low melting points. 
D) all of the above.

Question 9

Regional metamorphic rocks are distinguished from igneous rocks because

Accepted Answer

A) they are finer grained. 
B) regionally metamorphosed rocks are foliated and igneous rocks are not. 
C) igneous rocks have interlocking grains and metamorphic rocks do not. 
D) metamorphic rocks often have a "baked zone" and igneous rocks do not. 
A) they are finer grained. 
B) regionally metamorphosed rocks are foliated and igneous rocks are not. 
C) igneous rocks have interlocking grains and metamorphic rocks do not. 
D) metamorphic rocks often have a "baked zone" and igneous rocks do not.

Question 10

Rocks break down to form sediment via

Accepted Answer

A) erosion. 
B) transportation. 
C) sedimentation. 
D) weathering. 
A) erosion. 
B) transportation. 
C) sedimentation. 
D) weathering.

Question 11

The most violent volcanic explosions are generally associated with

Accepted Answer

A) composite volcanoes. 
B) cinder cones. 
C) shield volcanoes. 
D) none of these 
A) composite volcanoes. 
B) cinder cones. 
C) shield volcanoes. 
D) none of these

Question 12

Andesitic magma produces

Accepted Answer

A) andesite rocks. 
B) granitic rocks. 
C) basaltic rocks. 
D) metamorphic rocks. 
A) andesite rocks. 
B) granitic rocks. 
C) basaltic rocks. 
D) metamorphic rocks.

Question 13

Mauna Loa is a

Accepted Answer

A) cinder cone. 
B) shield volcano. 
C) composite volcano. 
D) none of these 
A) cinder cone. 
B) shield volcano. 
C) composite volcano. 
D) none of these

Question 14

Most of the batholithic-sized plutons found in the continents are composed of

Accepted Answer

A) obsidian. 
B) basalt. 
C) granite. 
D) sandstone. 
A) obsidian. 
B) basalt. 
C) granite. 
D) sandstone.

Question 15

Sediments convert to rock when they undergo

Accepted Answer

A) compaction and cementation. 
B) lithification. 
C) both A and B. 
A) compaction and cementation. 
B) lithification. 
C) both A and B.

Question 16

The layered appearance of foliated metamorphic rocks is due to the

Accepted Answer

A) laying down of micaceous minerals,layer upon layer. 
B) realignment of sheet-structured minerals so that they are perpendicular to compressive forces. 
C) recrystallization of minerals. 
D) mechanical deformation of sheet-structured minerals. 
A) laying down of micaceous minerals,layer upon layer. 
B) realignment of sheet-structured minerals so that they are perpendicular to compressive forces. 
C) recrystallization of minerals. 
D) mechanical deformation of sheet-structured minerals.

Question 17

Cleavage is the tendency of a mineral to break along planes of weakness.What factors determine these planes of weakness?

Accepted Answer

Crystal st

Question 18

Metamorphic foliation is

Accepted Answer

A) the same as sedimentary layering. 
B) the prominent orientation of recrystallized minerals. 
C) caused by the interaction with chemical fluids. 
D) a layered appearance caused by mineral growth perpendicular to direction of pressure. 
A) the same as sedimentary layering. 
B) the prominent orientation of recrystallized minerals. 
C) caused by the interaction with chemical fluids. 
D) a layered appearance caused by mineral growth perpendicular to direction of pressure.

Question 19

All of the following occur during metamorphism except

Accepted Answer

A) melting. 
B) recrystallization. 
C) interaction with chemical fluids. 
D) changes in composition. 
A) melting. 
B) recrystallization. 
C) interaction with chemical fluids. 
D) changes in composition.

Question 20

What are the processes that transform sediment into sedimentary rock?

Accepted Answer

To get sediment,rock needs to weather (b

Exam 20: Rocks and Minerals

Which mineral,quartz or feldspar,will crystallize first? Why?

Slate is metamorphosed

The two most common igneous rocks are basalt and granite.Basalt is commonly found ________,and granite is found ________.

The last minerals to crystallize are those with the

A composite volcano is formed by

How does silica content effect volcanic eruptions?

Rocks altered by heat and pressure beneath Earth's surface are

The process of crystallization enriches a magma in

Regional metamorphic rocks are distinguished from igneous rocks because

Rocks break down to form sediment via

The most violent volcanic explosions are generally associated with

Andesitic magma produces

Mauna Loa is a

Most of the batholithic-sized plutons found in the continents are composed of

Sediments convert to rock when they undergo

The layered appearance of foliated metamorphic rocks is due to the

Cleavage is the tendency of a mineral to break along planes of weakness.What factors determine these planes of weakness?

Metamorphic foliation is

All of the following occur during metamorphism except

What are the processes that transform sediment into sedimentary rock?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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The two most common igneous rocks are basalt and granite.Basalt is commonly found ,and granite is found .