FYI, Graduate student positions in Ca isotope studies are currently available in the Saskatchewan Isotope Laboratory. Please contact Chris Holmden for further information about topics and scholarship opportunities ASAP. Chris http://sil.usask.ca/ -- Chris Holmden Saskatchewan Isotope Laboratory Department of Geological Sciences 114 Science Place University of Saskatchewan Saskatoon, SK S7N 5E2 Office: 306-966-5697 Sask Isotope Lab: 306-966-5712 Fax: 306-966-8593