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oceanic crustal

  • a word derived from oceanic crust.
    oceanic crust
    noun
    the outer layer of Earth's lithosphere that lies beneath the oceans, composed mainly of basalt, about 3–6 miles (5–10 km) thick, and noted as being younger, thinner, and denser than continental crust.

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Figure 7.16 b: Regional metamorphism of oceanic crustal rock on either side of a spreading ridge.

From Textbooks ● Jan. 1, 2015

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