Chapter 8 The Dynamic Planet
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Transcript of Chapter 8 The Dynamic Planet
Chapter 8 The Dynamic Planet
Elemental Geosystems 5e
Robert W. ChristophersonCharles E. Thomsen
The Dynamic Planet
The Pace of Change
Earth’s Structure and Internal Energy
The Geologic Cycle
Plate Tectonics
The Pace of Change Geologic Time Scale
Uniformitarianism
Geologic Time Scale
Figure 8.1
Earth’s Structure and Internal Energy
Earth in Cross SectionEarth’s core
Earth’s magnetism
Earth’s mantle
Lithosphere and crust
Earth in Cross Section
Figure 8.2
Earth’s Interior
Figure 8.2
Earth’s Interior
Figure 8.2
Figure 8.2
Earth’s Interior
Core to Crust
Figure 8.3
Isostatic Adjustment
Figure 8.4
The Geologic CycleThe Rock Cycle
Igneous processes
Sedimentary processes
Metamorphic processes
The Geologic Cycle
Figure 8.5
The Rock Cycle
Figure 8.6
Igneous Rock Types
Figure 8.7
Intrusive and Extrusive Rocks
Figure 8.8
Sedimentary Rock Types
Figure 8.9
Metamorphic Rocks
Figure 8.12
Plate Tectonics A Brief History Sea-Floor Spreading and Production of New Crust Subduction of the Crust The Formation and Breakup of Pangaea Plate Boundaries Earthquake and Volcanic Activity Hot Spots
Pangaea approximately 200 million years ago
Matching of mtn ranges
on continents
Paleoclimatic evidence for Continental Drift
Crustal Movements
Figure 8.13
Magnetic Reversals
Figure 8.14
Continents Adrift
Figure 8.15
Earth’s Major Plates
Figure 8.16
Ocean Floor
Figure 8.17
Earthquakes and Volcanoes
Figure 8.18
Hot Spot Tracks
Figure 8.19
End of Chapter 8
Elemental Geosystems 5e
Robert W. ChristophersonCharles E. Thomsen