TECTONIC PLATES
Processes
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subduction:It happens when one lithospheric plate meets another—that is, in convergent zones —and the denser plate sinks down into the mantle.
Continental drift: Plate tectonics is the theory that Earth's land masses are in constant motion. The realization that Earth's land masses move was first proposed by Alfred Wegener, which he called continental drift. He is shown here in Greenland. We don't perceive that the continents we live on are moving
Convection: within the Earth´s mantle causes the plates to move.
Elements
Transform faults: is a fault along a plate boundary where the motion is predominantly horizontal.
volcanoes:is an opening in a planet or moon’s crust through which molten rock and gases trapped under the surface erupt, often forming a hill or mountain.
Sea trenches: long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth
Earthquakes: is a weak to violent shaking of the ground produced by the sudden movement of rock materials below the earth's surface. The earthquakes originate in tectonic plate boundary.
Convergent boundaries:is an area on Earth where two or more lithospheric plates collide.
Divergent boundaries: s a linear feature that exists between two tectonic plates that are moving away from each other.
Mountain ranges: is a list of mountain ranges on Earth and a few other astronomical bodies.
Tectonic plates: It is a theory that explains the way the lithosphere is structured.
Oceanic ridges: are found in every ocean basin and appear to girdle Earth.
Formation and destruction of he crust: The theory of plate tectonics argues that Earth's outer layer the crust is composed of large platelike sections of solid rock.
Such destruction (recycling) of crust takes place along convergent boundaries where plates are moving toward each other, and sometimes one plate sinks (is subducted) under another.
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