Plate Tectonics
Published on Nov 18, 2015
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PRESENTATION OUTLINE
PLATE TECTONICS
THE EARTHS CRUST IS DIVIDED INTO PIECES THAT MOVE.
CONVECTION CURRENTS
THE FLOW THAT TRANSFERS HEAT THROUGH A FLUID.
SLAB PULL
THE PULL OF GRAVITY ON A PLATE THAT IS BEING SUB-DUCTED.
RIDGE PUSH
NEW CRUST FORMING AND PUSHING OLDER CRUST OUT OF THE WAY.
DIVERGENT
PLATES MOVE AWAY FROM EACH OTHER.
RIFT VALLEY
LAND FORM THAT RESULTS FROM A DIVERGENT PLATE BOUNDARY.
MID-OCEAN RIDGE
UNDERWATER LAND FORM CAUSED BY A DIVERGENT PLATE BOUNDARY.
CONVERGENT PLATE BOUNDARY
TWO PLATES COME TOGETHER.
Volcanic arc
A chain of active volcanos above a subduction zone caused by a convergent plate boundary.
ISLAND ARC
A TYPE OF ISLAND GROUP WITH VOLCANOS FROM CONVERGENT PLATES
Mountain Range
A mountain range or mountain belt is a geographic area containing numerous geologically related mountains.
SUBDUCTION ZONE
THE PROCESS IN WHICH ONE PLATE SLIDES BENEATH ANOTHER.
DEEP OCEAN TRENCH
A LONG DEEP DEPRESSION IN THE OCEAN FLOOR THAT FORMS
THE PERU-CHILE TRENCH
WHICH EXTENDS SOME 5,900 KM ALONG THE COAST OF SOUTH AMERICA.
TRANSFORM PLATE BOUNDARY
PLACES WHERE PLATES SLIDE PAST EACH OTHER.
