Vol. 308, Issue 10, 2008 | Published by American Journal of Science

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Science Paper
Sediment Delivery to the Cordilleran Foreland Basin: Insights From U-Pb Ages of Detrital Zircons in Upper Jurassic and Cretaceous Strata of the Colorado Plateau
William R. DickinsonGeorge E. Gehrels
In late Mesozoic time, the southern Cordilleran foreland basin was bounded on the west by the Sevier thrust belt and on the south by the Mogollon highlands. Paleocurrent indicators in...
Science Paper
An Isochron Method for Cosmogenic-Nuclide Dating of Buried Soils and Sediments
Greg BalcoCharles W. Rovey
We describe an improved method for dating buried paleosols using measurements of the cosmic-ray-produced radionuclides 10Be and 26Al in quartz grains, and apply it to a sequence of intercalated tills...
Comment
Comment: The Thermodynamics and Kinetics of Microbial Metabolism: (Comment on “Thermodynamics and Kinetics of Microbial Metabolism” by Quesheng Jin and Craig Bethke, American Journal of Science, v. 307, p. 643–677.)
John V. Walther
...
Reply
Reply to Comment: The Thermodynamics and Kinetics of Microbial Metabolism by John Walther
Qusheng JinCraig M. Bethke
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