'Old crust' diaporamas de présentation

Chapter 2

Chapter 2. Key concepts: Continental drift Seafloor spreading Convergent plate boundary Divergent plate boundary Transform-fault plate boundary Why do plates move? Magnetic anomalies Pangaea. Which force(s) create earthquakes and volcanoes?. Gravity Electro-magnetism Nuclear forces.

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Chapter 2

Chapter 2. Key concepts: Continental drift Seafloor spreading Convergent plate boundary Divergent plate boundary Transform-fault plate boundary Why do plates move? Magnetic anomalies Pangaea. Which force(s) create earthquakes and volcanoes?. Gravity Electromagnetism Nuclear forces.

799 views • 61 slides

Plate Tectonics

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Plate tectonics

Plate tectonics. 5.1 Drifting Continents 1910 Alfred Wegener Hypothesized that all the continents were once joined together in a single landmass call Pangea and have since drifted This became known as CONTINENTAL DRIFT

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595 views • 36 slides

Evidence of Plate Tectonics

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