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Download The solid, outer layer of Earth that consists of the crust and the rigid
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Transcript
+ + The process of one tectonic plate sinking beneath another into the mantle at a convergent plate boundary +1 Paleomagnetism +1 Continental Drift the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations +1 The study of the magnetization of old rocks - especially how they recorded past reversals of the Earth’s magnetic field Paleomagnetism Subduction The solid, plastic layer of the mantle beneath the lithosphere; made of rock that flows very slowly, allowing overriding tectonic plates to move +1 +1 Subduction Plate Tectonics +1 Sea Floor Spreading + +1 Asthenosphere +1 +1 The process by which new oceanic lithosphere (sea floor) forms as magma rises to Earth’s surface and solidifies at a mid-ocean ridge Lithosphere Sea Floor Spreading +1 +1 The solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle +1 Asthenosphere The theory that explains how large pieces of the lithosphere, called plates, move and change shape Lithosphere +1 +1 Continental Drift Plate Tectonics +1 +1 +