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Plate Tectonics

Published on Nov 18, 2015

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PRESENTATION OUTLINE

PATRICK FAIRMAN 5TH PERIOD

Photo by Nomad China

PLATE TECTONICS

A theory explaining the structure Of The Earths Crust And Many Associated Phenomena. Resulting From The interaction Of Rigid Lithospheric Plates That move Slowly Over the Underlying mantle.

CAUSE OF PLATE MOVEMENT 1

Convection currents. tectonic plates cause earthquakes mountain building and volcanic activity
Photo by dsearls

CAUSE OF PLATE MOVEMENT 2 + DEFINITION

Slab pull. Is the portion of motion of a tectonic plate that can be accounted for by its subduction

CAUSE OF PLATE MOVEMENT 3 + DEFINITION

Ridge push. Gravitational force that causes a plate to move away from the crest of an ocean ridge the

DIVERGENT PLATE BOUNDARY

A boundary where plates are moving apart

RESULTING LANDFORM (LAND)

2 plates parallel with each other but moving in opposite directions, the himmalyas

RESULTING LANDFORM (SEA)

Mid-ocean ridge, 2 oceanic plates move away from each other and magma rises up from the earth
Photo by subarcticmike

CONVERGENT PLATE BOUNDARY

Is an actively deforming region were 2 or more tectonic plates move toward each other

RESULTING LANDFORM FROM OCEAN VS CONTINENT

Continental shelf- The extended edge of each continent which is under water

OCEAN VS OCEAN

Pull apart basin- caused by offset in a strike slip example the Dead Sea area

CONTINENT VS CONTINENT

Continental landform- Any conspicuous topographic feature on the largest land like mountains

SUBDUCTION ZONE

Subduction is the process that takes place at convergent boundaries 1 tectonic plate under another

DEEP OCEAN TRENCH

Any long, narrow, steep sided depression in the ocean bottom which occur the maximum depths

EXAMPLE OF DEEP OCEAN TRENCH

OCEANIC TRENCHES SUCH AS THE PERUVIAN TRENCH, OR THE PUERTO RICO TRENCH

TRANSFORM PLATE BOUNDARY

PLACES WHERE PLATES SLIDE PAST EACH OTHER

RESULTING EVENT FROM TRANSFORM BOUNDARY

THE RESULT OF TWO MASSIVE PLATES PUSHING AGAINST ONE ANOTHER

EXAMPLE OF TRANSFORM BOUNDARY

AN EXAMPLE OF TRANSFORM PLATE BOUNDARY IS SAN ANDREAS FAULT AND THE ALPINE FAULT