The relatively thick part of the earth's crust which forms the large land masses.
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Large-scale faults in the crust at right angles to a mid-ocean ridge, which range from a few tens of kilometres to several hundred. Earthquakes occur along their lengths as they slip
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A slab of the Earth’s lithosphere and crust
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The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies.
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Sediment that is dropped by glaciers
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The part of the plate boundary that collides
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Lateral movement of new oceanic crust away from a mid-ocean ridge. A key process in the theory of continental drift.
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A change in the Earth's magnetic field resulting in the magnetic north being aligned with the geographic south, and the magnetic south being aligned with the geographic north.
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A liquid layer about 2,260 km thick composed of iron and nickel which lies above the Earth's solid inner core and below its mantle.
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Occurs where plates slide past each other in opposite directions, or in the same direction but at different speeds.
