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Restless Continents
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Chapter 7 Section 2. Restless Continents. Wegener’s hypothesis that states that the continents once formed a single landmass, broke up and drifted to their present locations Pangaea Evidence=fossils . Continental drift.
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Restless Continents
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Chapter 7 Section 2 Restless Continents
Wegener’s hypothesis that states that the continents once formed a single landmass, broke up and drifted to their present locations Pangaea Evidence=fossils Continental drift
The process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies This occurs at mid-ocean ridges Sea-floor spreading
The change in the polarity of Earth’s magnetic field Magnetic minerals on the ocean floor= most important evidence of sea-floor spreading Magnetic reversal
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