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Subduction is a geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries. Where the oceanic lithosphere of a tectonic plate converges with the less dense lithosphere of a second plate, the heavier plate dives beneath the second plate and sinks into the … See more
According to the theory of plate tectonics, the Earth's lithosphere, its rigid outer shell, is broken into sixteen larger tectonic plates and several smaller plates. These are in slow motion, due to convection in the underlying ductile See more
Metamorphism
Subduction zones host a unique variety of rock types created by the high-pressure, low-temperature … See moreHarry Hammond Hess, who during World War II served in the United States Navy Reserve and became fascinated in the ocean floor, studied … See more
Arc-trench complex
The surface expression of subduction zones are arc-trench complexes. On the ocean side of the … See moreInitiation of subduction
Although stable subduction is fairly well understood, the process by which subduction is … See moreModern-style subduction is characterized by low geothermal gradients and the associated formation of high-pressure low-temperature rocks … See more
Subduction zones are important for several reasons:
• Subduction zone physics: Sinking of the oceanic lithosphere (sediments, crust, mantle), by the contrast of density between the cold and old lithosphere and the hot asthenospheric … See moreWikipedia text under CC-BY-SA license - People also ask
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