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Plate Tectonics

Published on Nov 18, 2015

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PRESENTATION OUTLINE

PLATE TECTONICS

PIECES OF THE LITHOSPHERE IN SLOW CONSTANT MOTION
Photo by Tim Evanson

CONVECTION CURRENTS

TRANSFER OF HEATED PARTICLES INTO A COOLER LIQUID.

SLAB PULL

PULL OF GRAVITY ON A PLATE BEING SUBDUCTED

RIDGE PUSH

NEW CRUST FORMING AT DIVERGENT PLATE BOUNDRIES PUSHES OLDER CRUST OUT OF THE WAY

DIVERGENT PLATE BOUNDRY

PLATES MOVE AWAY FROM EACH OTHER

RIFT VALLEY

LAND FORM THAT RESULTS FROM A DIVERGENT PLATE BOUNDRY

MID OCEAN RIDGE

UNDER WATER LAND FORM THAT IS CAUSED BY A DIVERGENT PLATE BOUNDRY

CONVERGENT BOUNDRY

TWO PIECES OF THE LITHOSPHERE COLLIDE.

OCEAN VS CONTINENT

TWO OCEAN PLATES CONVERGE AND A VOLCANO ARCH IS FORMED

OCEAN VS OCEAN

AN ISLAND ARCH FORMS WHEN TWO OCEAN PLATES CONVERGE

CONTINENT VS CONTINENT

TWO CONTINENTS COLIED AND MOUNTIANS ARE FORMED

SUBDUCTION ZONE

WHEN THE SEA FLOOR SLIDES UNDER LAND

DEEP OCEAN TRENCHES

DEEPES PART IN OCEAN, NARROW DEPRESSIONS IN THE OCEAN FLOOR

DEEP OCEAN TRENCH

MARIONA TRENCH IN JAPAN

TRANSFORM PLATE BOUNDRY

CRUST IS NEITHER DESTROYED OR CREATED. YOU GET A FAULT

RESAULT OF TRANSFORM BOUNDRY

EARTHQUAKES FORM

THE SAN ANDREAS FAULT

REAL LIFE EXAMPLE