Article Information
Published By
Print ISSN
Online ISSN
History
- Published online March 1, 2006.
Copyright & Usage
American Journal of Science
Author Information
- *Department of Geophysics, Stanford University, 397 Panama Mall, Mitchell Building 360, Stanford, California 94305-2215; jeff{at}sep.stanford.edu
- **Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Braun Hall, Building 320, Stanford, California 94305-2115; casnow{at}pangea.Stanford.EDU