Plate Tectonics
Published on Nov 19, 2015
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PRESENTATION OUTLINE
PLATE TECTONICS
BY: SARA ELNADY
PLATE TECTONICS
IT IS THE THEORY THAT THE LITHOSPHERE IS DIVED INTO PIECES THAT ARE IN SLOW CONSTANT MOTION.
CAUSE OF MOTION
- Convection currents
- Slab pull
- Ridge push
CONVECTION CURRENTS
THE FLOW THAT TRANSFERS HEAT THROUGH A FLUID
SLAB PULL
THE PULL OF GRAVITY ON A PLATE THAT IS BEING SUBDUCTED
RIDGE PUSH
NEW LESS DENSE CRUST FORMING AT DIVEGENT BOUNDARIES PUSHES OLDER, DENSER CRUST OUT OF THE WAY
DIVERGENT PLATE BOUNDARY
A BOUNDRY THAT MOVES LAND APART
RIFT VALLEY
A LAND FORM RESULTING FROM A DIVERGENT PLATE BOUNDARY
MID-OCEAN RIDGE
AN UNDERWATER LAND FORM RESULTING FROM A DIVERGENT PLATE BOUNDARY
CONVERGENT PLATE BOUNDRY
A BOUNDRY THAT MOVES LAND TOGETHER
CHILE PERU TRENCHES WITH THE ANDES MTS.
A TRENCH WITH A VOLCANIC-ARC RESULTING FROM A OCEAN VS. CONTINENT CONVERGENT PLATE BOUNDARY.
MARIANA TRENCH
A TRENCH AND AN ISLAND-ARC RESULTING FROM A OCEAN VS. OCEAN CONVERGENT BOUNDARY
HIMALAYAN MTS.
A MOUNTAIN RANGE RESULTING FROM AN OCEAN VS. CONTINENT CONVERGENT PLATE BOUNDARY
Photo by eriktorner
SUBDUCTION ZONE
A COLLISION BETWEEN TWO PLATE TECTONICS
DEEP OCEAN TRENCH
NARROW AND DEEP DEPRESSION IN THE BOTTOM OF THE OCEAN THAT FORM DUE TO SUBDUCTION
JAPAN TRENCH
A LAND FORM THAT IS A DEEP OCEAN TRENCH
TRANSFORM PLATE BOUNDARY
A BOUNDARY THAT MOVES LAND PAST EACHOTHER
EARTHQUAKE
A RESULTING EVENT OF A TRANSFORM PLATE BOUNDARY
SAN ANDREAS FAULT
A FAULT RESULTING FROM A TRANSFORM BOUNDARY
