plate tectonics & plate margins - weebly · plate tectonics & plate margins . the earth’s...
TRANSCRIPT
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F O R M 2 - 2 0 - T E R M 1
PLATE TECTONICS & PLATE MARGINS
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THE EARTH’S STRUCTURE
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CONTINENTAL DRIFT
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CONTINENTAL DRIFT- EVIDENCE
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CONVECTION CURRENTS
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HOW DO PLATES MOVE?
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HOW DO PLATES MOVE?
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PLATE MARGINS/BOUNDARIES
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DIVERGENT BOUNDARIES
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PILLOW LAVA
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MID-ATLANTIC RIDGE
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ICELAND (VOLCANIC COUNTRY)
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CONVERGENT BOUNDARIES
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OCEANIC-CONTINENTAL CONVERGENCE
(SUBDUCTION MARGINS)
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OCEANIC-OCEANIC CONVERGENCE
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CONTINENTAL-CONTINENTAL CONVERGENCE
(COLLISION MARGIN)
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TRANSFORM BOUNDARIES
CONSERVAT IVE BOUNDARIES
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A FEW, HOWEVER, OCCUR ON LAND. FOR EXAMPLE, THE SAN ANDREAS FAULT ZONE IN CALIFORNIA IS A TRANSFORM FAULT
THAT CONNECTS THE EAST PACIFIC RISE, A DIVERGENT BOUNDARY TO THE SOUTH, WITH THE SOUTH GORDA -- JUAN DE FUCA -- EXPLORER RIDGE, ANOTHER DIVERGENT BOUNDARY TO THE
NORTH.
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THE EARTH’S TECTONIC PLATES
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CARIBBEAN PLATE
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