Plate Tectonics
Published on Jan 06, 2016
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PRESENTATION OUTLINE
PLATE TECTONICS
THEORY THAT PEICES OF EARTHS LITHOSPHERE ARE IN CONSTANT MOTION, DRIVEN BY CONVECTION CURRENTS
Photo by timlewisnm
conVeCtion currents
Movement of fluid, caused by DIFFERENCES in temp. That trAnsfers heat from a fluid to anOther
Photo by Mark Morgan Trinidad B
Divergent Plate Boundary
- Oceanic plates move apart along mid-ocean ridge
- plates move apart from each other
Photo by Glyn Lowe Photoworks.
When ocean and continental crust converge
They form earthquakes and continental arc because of the subduction
Photo by pennstatenews
When ocean and ocean crust convege
THEY FORM ISLAND ARC EXAMPLE:JAPANESE ISLAND
Photo by Ludovic Hirlimann
WHEN CONTINENTAL CRUST CONVERGES WITH CONTINENTAL CRUST
IT FORMS MOUNTAINS EXAMPLE: HIMALAYA MOUNTAINS
Photo by dalbera
SUBDUCTION ZONE
PROCESS WHICH ONE TECTONIC PLATE MOVES UNDER OTHER AND SINKS INTO MANTLE
Photo by Darkroom Daze
TRANSFORM BOUNDARY
WHEN TWO PLATES SLIP PAST EACH OTHER IN OPPOSITE DIRECTIONS
DEEP OCEAN TRENCH
A DEEP VALLEY ALONG THE OCEAN FLOOR BENEATH WHICH OCEANIC CRUST SINKS TOWARD MANTLE
