American Journal of Science: 313 (3)

March 01, 2013; Volume 313,Issue 3

Articles

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Helium diffusion in natural zircon: Radiation damage, anisotropy, and the interpretation of zircon (U-Th)/He thermochronology
William R. Guenthner, Peter W. Reiners, Richard A. Ketcham, Lutz Nasdala and Gerald Giester

American Journal of Science March 2013, 313 (3) 145-198; DOI: https://doi.org/10.2475/03.2013.01
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Global minimization of the Gibbs energy of multicomponent systems Involving the presence of order/disorder phase transitions
Jean-Philippe Harvey, Gunnar Eriksson, Dominique Orban and Patrice Chartrand

American Journal of Science March 2013, 313 (3) 199-241; DOI: https://doi.org/10.2475/03.2013.02
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Geochemistry of the Arvonia Formation, Chopawamsic terrane, Virginia: Implications for source area weathering and provenance
Brent E. Owens, Scott D. Samson and Sarah E. King

American Journal of Science March 2013, 313 (3) 242-266; DOI: https://doi.org/10.2475/03.2013.03