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Plate Tectonics

Published on Nov 19, 2015

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PRESENTATION OUTLINE

PLATE TECTONICS

PIECES OF EARTHS CRUST ARE IN CONSTANT MOTION

CONVECTION

THE TRANSFER OF HEAT THROUGH A FLUID

SLAB PULL

THE PULL OF GRAVITY ON A PLATE THAT IS BEING SUBDUCTED

RIDGE PUSH

NEW CRUST AT DIVERGENT BOUNDARIES PUSHES OLDER CRUST OUT

DIVERGENT PLATE BOUNDARY

THE SPACE BETWEEN TWO PLAGES WHERE NEW CRUST IS FORMED.

RIFT VALLEY

THE RESULT OF A DIVERGENT PLATE BOUNDARY ON LAND.
Photo by Vincent_AF

MID OCEAN RIDGE

RIDGE FORMED FROM TWO PLATES MOVING AWAY FROM EACH OTHER .

CONVERGENT PLATE BOUNDARY

WHERE TWO TECTONIC PLATES COLLIDE

VOLCANIC ARCH

A CHAIN OF VOLCANOS FORMED ABOVE A SUBDUCTING PLATE

ISLAND ARCH

WHEN TWO OCEANIC PLATES COLLIDE

MOUNTAIN RANGE

WHEN TWO CONTINENTAL PLATES COLLIDE
Photo by blmiers2

SUBDUCTION ZONE

WHERE ONE PLATE MOVES UNDER ANOTHER

DEEP OCEAN TRENCH

A DITCH IN THE OCEAN FORMED BY SUBDUCTION
Photo by blmiers2

MARIANA TRENCH

A DEEP OCEAN TRENCH

TRANSFORM PLATE BOUNDARY

WHEN TECTONIC PLATES SLIDE PAST EACHOTHER

EARTHQUAKE

THE RESULT OF A TRANFORM BOUNDARY
Photo by martinluff

SAN ANDREAS FAULT

EXAMPLE OF TRANSFORM BOUNDARY