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ACKNOWLEDGMENTS Ivy-Ochs, S., and Kober, F., 2008, Surface exposure dating with cosmogenic GSA TODAY | www.geosociety.org/gsatoday
nuclides: Quaternary Science Journal, v. 57, p. 197–209.
We are indebted to Wayne Hamilton and Dave Sharrow for many
motivating and fruitful discussions. Johnny Sanders provided valu- Ivy-Ochs, S., Kerschner, H., Reuther, A., Maisch, M., Sailer, R., Schaefer, J.,
able input on our text; Greg McDonald, Tyler Knudsen, and Ali Kubik, P.W., Synal, H.A., and Schlüchter, C., 2006, The timing of glacier
Sherman helped in the field. This study was funded in part by the advances in the northern European Alps based on surface exposure dating
David and Inga Chapman Fund. Comments from Jeff Coe and two with cosmogenic 10Be, 26Al, 36Cl, and 21Ne, in Siame, L.L., Bourlès, D.L.,
anonymous reviewers are greatly appreciated. and Brown, E.T. eds., In Situ-Produced Cosmogenic Nuclides and
Quantification of Geological Processes: Geological Society of America
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