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NSC111: Physics/Earth/Space
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IV. Plate tectonicsLike the heliocentric solar system, "continental drift" was an idea which did not at first seem to be supported by the evidence or to have a reasonable mechanism. As new evidence came to light, this changed, and continental drift was explained by the theory of plate tectonics, starting with the idea of "seafloor spreading" at mid-ocean ridges. Now, like gravitation in astronomy, plate tectonics is the central theory and explanation in the geosciences.
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Copyright © 2001 by Daniel J. Berger. This work may be copied without limit if its use is to be for non-profit educational purposes. Such copies may be by any method, present or future. The author requests only that this statement accompany all such copies. All rights to publication for profit are retained by the author. |
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