GSA Special Papers
Geological Society of America
© 2010 Geological Society of America
Attribution: You must attribute the work in the manner specified by the author or licensor (but no in any way that suggests that they endorse you or your use of the work). Noncommercial ? you may not use this work for commercial purpose. No Derivative works ? You may not alter, transform, or build upon this work. Sharing ? Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.
August 01, 2010