what causes lithospheric plates to move
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- Lithospheric plates move via the creation of new oceanic crust and the destruction of old oceanic crust at mid-ocean ridges and trenches respectively. The lithosphere is constructed of solid crustal rock and the solid upper mantle which floats on top of the plastic, semi-molten asthenosphere.
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How does the plasticity of the Asthenosphere help tectonic plates move? Answered by The Community. Making the world better, one answer at a time. Because the Asthenosphere is malleable, divergent boundaries and convergent boundaries are formed. The plasticity of the Asthenosphere allows the plates to move through sea floor spreading and subduction zones.
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Causes of Tectonic Plate Movement Tectonic plates move around and can cause earthquakes and volcanic eruptions. First of all, it is important to know that the Earth's crust is broken up into large pieces called tectonic plates. Remember, tectonic plates are giant pieces of the Earth's crust that fit together and move around on the Earth's surface. This movement can be observed and measured using GPS systems, and the edges of the plates can be detected, as their edges can be seen. We also know that these plates move around with respect to one another.
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How Do Convection Currents Move Tectonic Plates? A: Earth's tectonic plates move due to the movement of magma in the mantle underneath the crust. Extreme temperatures inside the planet's core cause a convect... Full Answer >
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Learning Geology How The Earth Works: The Basic Premise of Plate Tectonics. The Earth’s lithosphere is divided into plates that move relative to. one another and the underlying asthenosphere. As a plate moves, its interior area remains largely intact and. rigid, but rock along the plate’s boundaries undergoes. deformation (cracking, sliding, bending, stretching, and.
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Geoheritage Volcanoes and earthquakes all provide evidence for the. Earth’s wandering continents. The continents actually. move as a consequence of volcanic processes in oceanic. areas known as mid oceanic ridges where basalt oozes. out onto the sea floor, forcing adjacent plates apart. Another mechanism driving the movement of the Earth’s. plates are large convection currents in the Earth’s mantle.
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Tectonic plate movement? basins are caused by the plates moving away from eachother, the ridges are the plates squishing up against eachother, and the volcanoes come from either gaps in the ridges or hot spots like hawaii where volcanoes tend to form for a reason that im not really sure about.
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- It is the lithosphere and the asthenosphere that are the parts of the surface moving when we talk of continental drift. The lithosphere is outer portion of the Earth. It is composed of the oceanic and continental crust, along with the rigid upper mantle. The asthenosphere is the plastic like upper mantle directly below the lithosphere where rock can move, bend, and deform without breaking. Below that, the mantle become more fluid and is the major part of the volume of the Earth.
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Why do tectonic plates move? This process is called continental drift. The plates move because of convection currents in the Earth's mantle. These are driven by the heat produced by the decay of radioactive elements and heat left over from the formation of the Earth.
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Plate Tectonics Plate Tectonics. By combining the sea floor spreading theory with continental drift and information on global seismicity, the new theory of Plate Tectonics became a coherent theory to explain crustal movements. Plates are composed of lithosphere, about 100 km thick, that float on the ductile asthenosphere.late Tectonics. By combining the sea floor spreading theory with continental drift and information on global seismicity, the new theory of Plate Tectonics became a coherent theory to explain crustal movements. Plates are composed of lithosphere, about 100 km thick, that float on the ductile asthenosphere.
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Plate Tectonics The theory of plate tectonics states that the Earth’s solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.
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What happens when tectonic plates move? Okay, One of three things can happen, based on which direction the tectonic plates are moving in. 1. Divergent boundaries. This means that tectonic plates are moving away from each other. New rock is pushed up from where the plates are moving apart. This creates something like the Mid-Atlantic Ridge. 2. Convergent boundaries. This is when two tectonic plates move towards one another. When this happens, mountains can be built. Other times, one plate may overtake the other, and the more dense plate will sink under the other plate.
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What causes lithospheric plates to move? Making the world better, one answer at a time. The asthenosphere that is made up of hot, liquid rock. The hot liquid and gases flow outward from the inner part of the asthenosphere. This flow of hot, liquid rock below the lithosphere causes the plates to move.
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An Introduction to Plate Tectonics The mid-ocean ridges are one of the three basic types of plate boundaries. We call them divergent plate boundaries because the plate material on either side of the margin is spreading apart. The spreading is a result of forces pulling the oceanic lithosphere on either side of the ridge in opposite directions.The forces are produced by mantle convection and gravity.e call that part of the mantle asthenosphere, to indicate that it is a weak zone, that decouples the plate from the overlying mantle (actually, there is undoubtedly some drag forces that act between the two, but the lithosphere can move independently of the deeper mantle.
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How Does Plate Tectonics Affect the Rock Cycle? Plate Tectonics. Plate tectonics is the movement of the Earth's crust through convection currents that occur in the mantle. Divergent plate boundaries occur where hot magma rises to the surface, pushing the plates apart. The mid-ocean ridges form at divergent plate boundaries.
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What is the lithosphere and asthenosphere? Above the asthenosphere, at the same rate of deformation, rock behaves elastically and, being brittle, can break, causing faults. The rigid lithosphere is thought to float or move about on the slowly flowing asthenosphere, creating the movement of tectonic plates.
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6th grade science - plate tectonics Theory of Plate Tectonics The theory that states that Earth's lithosphere is made up of huge plates that move over the surface of the Earth. One plate cannot move without affecting the others nearby. The plates can move apart, push together, or scrape past each other. Plate movements cause most major earthquakes, volcanoes and mountain ranges.
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Plate Tectonics Plate Tectonics By combining the sea floor spreading theory with continental drift and information on global seismicity, the new theory of Plate Tectonics became a coherent theory to explain crustal movements.Plates are composed of lithosphere, about 100 km thick, that float on the ductile asthenosphere.
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- So, to recap, there are several mechanisms that scientists use to help explain the movement of the giant pieces of the Earth's crust (called tectonic plates). The force that causes most of the plate movement is thermal convection, where heat from the Earth's interior causes currents of hot rising magma and cooler sinking magma to flow, moving the plates of the crust along with them.
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- Rockhound. Plate tectonics cause earthquakes, and volcanoes. When the plates move they built up stress and when the faults release the fault cause and earth quake. There are different types of earthquakes that happen when plate collide. The main force that makes the earth move and tectonics plates form is the outer layer of the earth called lithosphere. They are what creates mountains to become higher a … nd the oceans to become wider because of the earth faults and folds. Sarahroxoutofhersox1.
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How does the movement of tectonic plates effect the environment? Finally, as plate tectonics causes the continents to shift position it will have a direct effect on ocean circulation and how heat is distributed around the planet, as well as those continents shifting to different latitudes and climate regimes.
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How do tectonic plates move? Plates at our planet s surface move because of the intense heat in the Earth s core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when ...more. Many kinds of surface features are clues that our lithosphere is sliding.
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Island Arc Formation Plates at our planet s surface move because of the intense heat in the Earth s core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when ...more.
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Plate Boundaries and Volcanoes sliding plate force that is a proposed mechanism for plate motion in plate tectonics -Because mid-ocean ridges lie at a higher elevation than the rest of the ocean floor, gravity causes the ridge to push on the lithosphere that lies farther from the ridge