'Continent continent' diaporamas de présentation

Classroom presentations to accompany Understanding Earth , 3rd edition

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Plate tectonics II

Plate tectonics II. The oceans are where most of the action takes place. Theory of Plate Tectonics. Surface of the Earth is covered by a series of plates Creation of seafloor occurs at mid-ocean ridges, where volcanism creates the seafloor.

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Plate Tectonics - the Finale!

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Overview of Convergent Plate Boundaries

Overview of Convergent Plate Boundaries. ACTIVE. Olympic. Rainier. Crater Lake. Redwood. Lassen. ACTIVE. Lake Clark. Kenai Fjords. Katmai. ANCIENT. Yosemite. Kings Canyon. Sequoia. ANCIENT. Acadia. Shenandoah. Great Smoky. ANCIENT. Hot Springs. Big Bend. Convergence Types:.

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Plate Tectonics

Plate Tectonics. Earth layers History of plate tectonics Plate movement and margins Passive margins, spreading margins, and the Ring of Fire Ocean floor topography and plate tectonics Ocean floor effects: horizontal and vertical zonations Life Circulation. Layers of the Earth.

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Lithosphere- made up of the crust and very top of the mantle- also known as a tectonic plate Asthenosphere - hotter, softer layer of rock on which the lithosphere rests. Ocean crust is ______ Continent crust is ____.

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The Modern Plates

The Modern Plates. Three types of plate boundaries. Three types of plate boundaries. Divergent boundary. Divergent boundary. Where on Earth is continental rifting occurring today?. Transform boundary. Convergent boundary. Three sub-types Ocean-Continent Ocean-Ocean Continent-Continent

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Destructive Plate Margins:

Destructive Plate Margins:. Continental-Continental collision. Features/landforms:. Fold mountains Thrust faults Negligible volcanism Regional metamorphism Shallow focus earthquakes (SFQ) Gneiss Thickening of crust. Processes:. Mountain Building (Orogenesis) Folding Faulting

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Continent

7. 8. Continent. Continent. Africa. S. America. Weddell Sea. 4. 1. Queen Maud Land. 2. Ronne Ice Shelf. South Pole. 10. 5. 3. Victoria Land. Ross Ice Shelf. Australia. 9. S. Magnetic Pole. 6. Continent. 7. 8. Continent. Continent. 4. 1. 2. 10. 5. 3. 9. 6.

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