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Plate Tectonics

Published on Nov 19, 2015

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PRESENTATION OUTLINE

PLATE TECTONICS

THE IDEA THAT HUGE LITHOSPHERIC PLATES MOVE

CONVECTION CURRENTS

MAGMA CURRENTS THAT MOVE THE LITHOSPHERIC PLATES

SLAB PULL

THE PULLING FORCE EXERTED BY A PLATE BY ITS OWN WEIGHT

RIDGE PUSH

A FORCE THAT CAUSES A PLATE TO MOVE AWAY FROM A OCEAN RIDGE

DIVERGENT PLATE BOUNDARY

WHEN TWO TECTONIC PLATES MOVE AWAY FROM EACH OTHER.

RIFT VALLEY

LANDFORM THAT RESULTS FROM A DIVERGENT PLATE BOUNDARY

MID OCEAN RIDGE

UNDERWATER RIFT THAT IS CAUSED BY A DIVERGENT PLATE BOUNDARY

CONVERGENT PLATE BOUNDARY

WHEN 2 PLATES MOVE TOWARD ONE ANOTHER AND COLLIDE

ANDES MOUNTAINS

WHEN A OCEAN PLATE CRASHES INTO A CONTINENTAL PLATE

ALEUTIAN ISLANDS

CREATED WHEN 2 OCEAN PLATES CONVERGED(VOLCANIC ARC)

THE HIMALAYA MOUNTAIN RANGE

HAPPENS WHEN 2 PLATES CRASH INTO EACH OTHER(MOUTAIN RANGE)

SUBDUCTION ZONE

A PLACE WHERE ONE PLATE BEING DRAWN DOWN UNDER THE OTHER

DEEP OCEAN TRENCH

IT IS A LONG NARROW STEEP-SIDED DEPRESSION IN OCEANIC CRUST

PUERTO RICO TRENCH

CAUSED WHEN 2 PLATES CRASHED AND SUBDUCTION OCCURED

TRANSFORM PLATE BOUNDARY

WHEN TWO PLATES SLIDE AGAINST EACH OTHER IN A SIDEWAYS MOTION

RESULTING EVENTS FROM TRANSFORM BOUNDARYS

ROADS AND STRUCTURES MIGHT BE DAMAGED

NEW ZEALAND'S ALPINE FAULT