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PLATE TECTONICS: Large features… and processes…

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Presentation on theme: "PLATE TECTONICS: Large features… and processes…"— Presentation transcript:

1 PLATE TECTONICS: Large features… and processes…
continents ocean basins mountain ranges and processes… earthquakes volcanic eruptions due to movement of plates of Earth’s outer shell.

2 Cracked Egg Shell!

3 Parks and Plates ©2002 Robert J. Lillie

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9 Divergent Plate Boundary
Parks and Plates ©2002 Robert J. Lillie

10 DIVERGENT Plate Boundary: Seafloor Spreading

11 DIVERGENT Plate Boundary: Seafloor Spreading

12 DIVERGENT Plate Boundary: Seafloor Spreading

13 Seafloor Spreading & Plate Tectonics
New ocean basins form from volcanism Ocean floor forms IN BETWEEN pieces that have split SEAFLOOR SPREADING

14 Transform Plate Boundary
Parks and Plates ©2002 Robert J. Lillie

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16 North American Plate Pacific Plate

17 Pacific Plate North American Plate 2 inches/year x 100 years
= 17 feet! North American Plate Pacific Plate

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19 Convergent Plate Boundary

20 CONVERGENT Plate Boundary

21 Coastal Mountain Range Composite Volcanoes Plate Sweats
Sediment and Basalt Scraped off Subducting Plate Plate Sweats

22 Divergent Plate Boundary: Seafloor Spreading
Parks and Plates ©2002 Robert J. Lillie

23 Convergent Plate Boundary:
Parks and Plates ©2002 Robert J. Lillie Convergent Plate Boundary: Subduction

24 Transform Plate Boundary: Transform (Strike-Slip) Faulting
Parks and Plates ©2002 Robert J. Lillie


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