Download Igneous Rocks, Intrusive Activity, and the Origin of Igneous Rocks

Chapter 6: Igneous Rocks,
Intrusive Activity, and the
Origin of Igneous Rocks
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What Are Igneous Rocks?
How Are Igneous Rocks Classified?
What Happens When Magma Cools Underground?
How Do Different Types of Magma Form?
How Does Igneous Activity Relate
to Plate Tectonics?
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Igneous Rock Apparently Intruded
Pre-Existing Rock as Liquid.
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Figure 6.2
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Classification Chart for the Most
Common Igneous Rocks
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Figure 6.4
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Relationship of Ship Rock in
Mexico to the Former Volcano
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Figure 6.6b
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
(A) Cracks Before Intrusion of Magma
(B) Concordant Intrusions (Sills) and
Discordant Intrusions (Dikes)
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Figure 6.7
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Dikes Intruded into Banded Gneiss
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Photo by N. Eyles
Figure 6.8
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
After Erosion, Magma Diapirs
Formed into Plutonic Rock are
Exposed as a Batholith and a Stock
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Figure 6.10
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Diapirs of Magma Travel Upward
from the Lower Crust and
Solidify in the Upper Crust
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Figure 6.11
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Geothermal Gradients at
Two Parts of the Earth’s Crust
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Figure 6.13
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Melting Temperature of a Mineral
With and Without Water Present
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Figure 6.14
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Melting Temperatures for Mixtures
of Quartz and Potassium Feldspar
at Atmospheric Pressure
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Figure 6.15
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Bowen’s Reaction Series
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Figure 6.16
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Differentiation of a Magma Body
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Figure 6.17
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Assimilation
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Figure 6.18
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Mixing of Magmas
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Figure 6.19
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Relationships between Rock Types and
Their Usual Plate Tectonics Setting
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Table 6.2
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Basaltic Oceanic Crust and the
Underlying Ultramafic Mantle Rock
Form at a Divergent Boundary
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Figure 6.20
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Basaltic Oceanic Crust and the
Underlying Ultramafic Mantle Rock
Form at a Divergent Boundary
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Figure 6.21
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Generation of Magma at
a Convergent Boundary
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Figure 6.22
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Young, Hot, Oceanic Lithosphere is
Buoyant and Subducts at a Shallow Angle
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Figure 6.23
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Mafic Magma adds Heat to the Lower
Crust, Resulting in Partial Melting
to Form a Granitic Magma
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Figure 6.24
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
Answers to Selected
Testing Your Knowledge
Questions
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11. B
20. A
12. A
21. B
13. D
22. C
14. A
23. B
15. D
16. C
17. B
18. D
19. B
Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks
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Chapter 6: Igneous Rocks, Intrusive Activity,
and the Origin of Igneous Rocks