1. Department of Geological Sciences, California State University – Northridge, 18111 Nordhoff Street, Northridge, California 91330, U.S.A.
2. † Special collection papers can be found online at http://www.minsocam.org/MSA/AmMin/special-collections.html.
3. GNS Science, Private Bag 1930, Dunedin, New Zealand
4. Department of Geology, The University of Vermont, Burlington, Vermont 05405, U.S.A.
5. WiscSIMS, Department of Geoscience, University of Wisconsin, Madison, Wisconsin 53706, U.S.A.