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Plate Tectonics
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1.
PLATE TECTONICS
SIMONE HOFER
Photo by
timlewisnm
2.
PLATE TECTONICS
The theory that Earths lithosphere is in constant motion, driven by currents in the mantle.
Photo by
N@ncyN@nce
3.
CONVECTION CURRENTS
The movement of fluid, that transfers heat from one part of the fluid to the other.
Photo by
Tweek
4.
SLAB PULL
The process of a tectonic plate descending into the mantle.
5.
RIDGE PUSH
A force created by tectonic plates moving away from a divergent boundary.
6.
DIVERGENT PLATE BOUNDARY
A plate boundary where two plates move away from each other.
An example of a divergent boundary is the East African Great Rift Valley.
7.
On land, divergent plate boundaries form a Rift Valley.
8.
In the ocean, divergent plate boundaries form mid ocean ridges.
9.
CONVERGENT PLATE BOUNDARIES
A plate boundary where two plates move toward each other.
One example of a convergent boundary is the Andes Mountain range.
Photo by
Stuck in Customs
10.
When ocean and continental crust converge, they form volcanic arcs like the Andes.
Photo by
martin (necktru)
11.
When ocean and ocean crust converge they form island arcs like the islands of Japan.
Photo by
NASA's Marshall Space Flight Center
12.
When continental crust converges with continental crust it forms mountain ranges like the Himalayas.
Photo by
A.Ostrovsky
13.
SUBDUCTION ZONE
When oceanic crust sinks beneath a deep ocean trench and back into the mantle at a convergent plate boundary.
14.
DEAP OCEAN TRENCH
A deep valley along the ocean floor, beneath which oceanic crust slowly sinks towards the mantle.
An example is the Mariana Trench, in the pacific.
Photo by
NASA's Marshall Space Flight Center
15.
Transform boundary
A plate boundary where two plates slide past each other in opposite directions.
One example of the transform boundary is the SanAndreas fault.
Photo by
Travis S.
16.
When plates move along transform boundaries, it causes earthquakes.
Photo by
martinluff
17.
An example of a transform boundary, is the SanAndreas fault in California.
Photo by
dsearls
Simone Hofer
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