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Apatite 4He/3He and (U-Th)/He Evidence for an Ancient Grand Canyon

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Science  21 Dec 2012:
Vol. 338, Issue 6114, pp. 1616-1619
DOI: 10.1126/science.1229390

Article Information

vol. 338 no. 6114 1616-1619

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History: 
  • Received for publication August 27, 2012
  • Accepted for publication November 7, 2012
  • .

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Author Information

  1. R. M. Flowers1,*,
  2. K. A. Farley2
  1. 1Department of Geological Sciences, University of Colorado at Boulder, 2200 Colorado Avenue, UCB 399, Boulder, CO 80309, USA.
  2. 2Division of Geological and Planetary Sciences, California Institute of Technology, MS 170-25, Pasadena, CA 91125, USA.
  1. *To whom correspondence should be addressed. E-mail: rebecca.flowers{at}colorado.edu

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