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Plate Tectonics

Published on Nov 18, 2015

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PRESENTATION OUTLINE

PLATE TECTONICS

The Earth has lithospheric plates

CONVECTION CURRENTS

The transfer of heat in a liquid

SLAB PULL

Gravity pulls on a subducted plate

RIDGE PUSH

Lava hardens and pushes away the plates

DIVERGENT PLATE BOUNDARY

Two plates moving away from each other

DIVERGENT LAND BOUNDARY- RIFT VALLEY

European and North American plates in Iceland.

DIVERGENT SEA BOUNDARY- MID OCEAN RIDGE

The Mid Atlantic Ridge between the Americas and Europe and Africa.

CONVERGENT PLATE BOUNDARY

Two plates that are running into each other.

OCEAN VS. CONTINENT VOLCAINC ARC

A series of volcanoes that results from subduction.

OCEAN VS. OCEAN ISLAND ARC

Islands that result from a convergent boundary.

CONTINENT VS. CONTINENT MOUNTAIN RANGE

Series of mountains from to land boundaries.

SUBDUCTION ZONE

When an ocean plate and a continental plate collide.

DEEP OCEAN TRENCH

Trenches created by subduction zones

DEEP OCEAN TRENCH- MARIANA TRENCH

The deepest point on Earth in the Pacific Ocean

TRANSFORM PLATE BOUNDARY

Plates sliding past each other

EARTHQUAKES

Transform boundaries can result in earthquakes as they slide past each other.

SAN ANDREAS FAULT

Faults form transform boundaries.