Auxiliary material for Paper 2008gc002236 Geochemical stages at Jasper Seamount and the origin of intraplate volcanoes J.G. Konter Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA. Now at Geological Sciences, University of Texas at El Paso, El Paso, Texas, USA. H. Staudigel Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA. J. Blichert-Toft Laboratoire des Sciences de la Terre, Ecole Normale Supérieure de Lyon, Lyon, France. B.B. Hanan Department of Geological Sciences, San Diego State University, San Diego, California, USA. M. Polvé Université Paul Sabatier, Toulouse, France. G.R. Davies Vrije Universiteit Amsterdam, Amsterdam, Netherlands. N. Shimizu Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA. P. Schiffman Department of Geology, University of California, Davis, California, USA. Konter, J. G., H. Staudigel, J. Blichert-Toft, B. B. Hanan, M. Polvé, G. R. Davies, N. Shimizu, and P. Schiffman (2009), Geochemical stages at Jasper Seamount and the origin of intraplate volcanoes, Geochem. Geophys. Geosyst., 10, Q02001, doi:10.1029/2008GC002236. INTRODUCTION This auxiliary material contains one text file, and four figures, plus six tables pertaining to the supplemental text. 1. 2008gc002236-txts01.txt Supplemental text on analytical techniques, interlaboratory comparisons, and a trace element experiment with leached whole-rock samples. 2. 2008gc002236-fs01.eps Nd isotope compositions measured in three different laboratories. 3. 2008gc002236-fs02.eps Sr isotope compositions measured in three different laboratories. 4. 2008gc002236-fs03.eps Pb isotope compositions measured in two different laboratories. 5. 2008gc002236-fs04.eps Trace element compositions of FGST and Continental Borderland. Most of the data from lightly leached whole rock samples, here compared to the glass data. 6. 2008gc002236-ts01.txt Duplicate Nd isotope analyses. 7. 2008gc002236-ts02.txt Duplicate Sr isotope analyses. 8. 2008gc002236-ts03.txt Duplicate Pb isotope analyses. 9. 2008gc002236-ts04.txt Leached whole-rock trace element concentrations. 10. 2008gc002236-ts05.txt Sampling metadata. 11. 2008gc002236-ts06.txt Major element compositions.