Exam 2: Plate Tectonics: A Unifying Theory

Rock sequences found on land that consist of deep-sea sediment,oceanic crust,and upper mantle are called .These sequences are used to identify plate boundaries.

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Question 1

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ophiolites,convergent

How does seafloor spreading explain the movement of the continents?

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Question 2

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With seafloor spreading,the continents and oceanic crust move together as part of large plates.The plate is pushed by the formation of new ocean crust and pulled by the subduction of old ocean crust.New crust forms due to seafloor spreading.

What is a hot spot relative to a mantle plume? What is often found there?

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A hot spot is the location where a mantle plume rises to Earth's surface.A volcano often forms above a hot spot.

Where is the best place to try to fit the continents together?

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Question 4

The study of paleomagnetism is possible because:

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Question 5

At divergent plate boundaries,the operating forces are:

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Question 6

The differing paleomagnetic records for each continent showed:

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Question 7

Fossil evidence linking the Gondwana continents includes the:

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Question 8

Where in the ocean basins is ocean crust youngest?

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Question 9

Draw a cross-section of a continental-continental convergent plate boundary.Show the directions of relative plate motion.Put stars for the locations of earthquakes.Show the location of the mountain range.Label the subduction complex.

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There is a divergent plate boundary within the region of east Africa.

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Question 11

How are hot spots used for determining the absolute motions of plates?

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Question 12

Paleomagnetic studies show that the ocean basins are older than the continents.

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Question 13

Briefly explain the roles of magma and hydrothermal activity in forming ore deposits along convergent and divergent plate boundaries.

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Question 14

How is the phrase "the present is the key to the past" used in creating evidence for continental drift?

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Question 15

What is the driving mechanism for plate tectonics?

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Question 16

In what ways does plate tectonics theory have economic applications?

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Question 17

What is it about a cooling lava that allows geologists to determine the location of past magnetic poles?

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Question 18

The diversity of organisms is highest where large continents are found stradding a latitude zone.

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Question 19

What evidence is there that ocean basins are young and old oceanic crust must be destroyed?

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Question 20

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Rock sequences found on land that consist of deep-sea sediment,oceanic crust,and upper mantle are called .These sequences are used to identify plate boundaries.

How does seafloor spreading explain the movement of the continents?

What is a hot spot relative to a mantle plume? What is often found there?

Where is the best place to try to fit the continents together?

The study of paleomagnetism is possible because:

At divergent plate boundaries,the operating forces are:

The differing paleomagnetic records for each continent showed:

Fossil evidence linking the Gondwana continents includes the:

Where in the ocean basins is ocean crust youngest?

Draw a cross-section of a continental-continental convergent plate boundary.Show the directions of relative plate motion.Put stars for the locations of earthquakes.Show the location of the mountain range.Label the subduction complex.

There is a divergent plate boundary within the region of east Africa.

How are hot spots used for determining the absolute motions of plates?

Paleomagnetic studies show that the ocean basins are older than the continents.

Briefly explain the roles of magma and hydrothermal activity in forming ore deposits along convergent and divergent plate boundaries.

How is the phrase "the present is the key to the past" used in creating evidence for continental drift?

What is the driving mechanism for plate tectonics?

In what ways does plate tectonics theory have economic applications?

What is it about a cooling lava that allows geologists to determine the location of past magnetic poles?

The diversity of organisms is highest where large continents are found stradding a latitude zone.

What evidence is there that ocean basins are young and old oceanic crust must be destroyed?

Understanding Earth: A Dynamic and Evolving Planet

Minerals: The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

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Exam 2: Plate Tectonics: A Unifying Theory

Rock sequences found on land that consist of deep-sea sediment,oceanic crust,and upper mantle are called ____________________.These sequences are used to identify ____________________ plate boundaries.

How does seafloor spreading explain the movement of the continents?

What is a hot spot relative to a mantle plume? What is often found there?

Where is the best place to try to fit the continents together?

The study of paleomagnetism is possible because:

At divergent plate boundaries,the operating forces are:

The differing paleomagnetic records for each continent showed:

Fossil evidence linking the Gondwana continents includes the:

Where in the ocean basins is ocean crust youngest?

Draw a cross-section of a continental-continental convergent plate boundary.Show the directions of relative plate motion.Put stars for the locations of earthquakes.Show the location of the mountain range.Label the subduction complex.

There is a divergent plate boundary within the region of east Africa.

How are hot spots used for determining the absolute motions of plates?

Paleomagnetic studies show that the ocean basins are older than the continents.

Briefly explain the roles of magma and hydrothermal activity in forming ore deposits along convergent and divergent plate boundaries.

How is the phrase "the present is the key to the past" used in creating evidence for continental drift?

What is the driving mechanism for plate tectonics?

In what ways does plate tectonics theory have economic applications?

What is it about a cooling lava that allows geologists to determine the location of past magnetic poles?

The diversity of organisms is highest where large continents are found stradding a latitude zone.

What evidence is there that ocean basins are young and old oceanic crust must be destroyed?

Understanding Earth: A Dynamic and Evolving Planet

Minerals: The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

Rock sequences found on land that consist of deep-sea sediment,oceanic crust,and upper mantle are called .These sequences are used to identify plate boundaries.