Arthur Holmes: Harnessing the Mechanics of Mantle Convection to the Theory of Continental Drift

This online article, from Earth: Inside and Out, takes a look at the life and scientific contributions of Arthur Holmes. It discusses the phenomenon of radioactivity, which was discovered while Holmes was a graduate student and how Holmes used radioactive dating to create the first geologic time scale. In addition, the article focuses on his major contributions to the theory of continental drift, including his suggestion for the mechanism responsible for the moving continents.

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Grade Level: High School (9-12)
Topics: Time/Earth History