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doi:10.2204/iodp.proc.304305.202.2009

Appendix

Analytical conditions by facility

  • Laboratory: Institute of Geosciences, University of Mainz, Germany
  • EPMA Probe: JEOL JXA-8900RL
  • Acceleration voltage: 15 kV
  • Probe current: 12 nA
  • Beam diameter: 2
  • Count time on peak:
    • Major elements (Si, Na, K, Ti, Fe, Al, Mg, Ca): 15 s
    • Trace elements (Cr, Mn, Ni): 30 s
    • Count time on background:
    • Major elements: 5 s
    • Trace elements: 15 s
  • Standard reference materials (SRM): wolla, cor, mg, fe, mn-ti, dio
  • Laboratory: Montpellier 2 University
  • EPMA Probe: Cameca SX100
  • Acceleration voltage: 20 kV
  • Probe current: 10 nA
  • Count time on peak: 30 s for all elements
  • SRM: Al2O3, wolla, TiO2, albite, forst, Cr2O3, rhodo, Fe2O3, orthose, Ni
  • Laboratory: Oregon State University
  • EPMA Probe: Cameca SX100
  • Acceleration voltage: 15 kV
  • Probe current: 30 nA
  • Beam diameter: 1 mm
  • Count time on peak: 20–40 s
  • SRM: labradorite, kakanui augite, basalt, K-feldspar
  • Laboratory: Texas A&M University
  • EPMA Probe: Cameca SX50
  • Acceleration voltage: 15 kV
  • Probe current: 30 nA
  • Beam diameter: 10
  • Count time on peak: 20–40 s
  • SRM: albite, fayalite, olivine, orthoclase, CaSiO3, FeTiO3, spessartine, spinel, chromite
  • Laboratory: Hokkaido University
  • EMPA probe: JEOL Superprobe 733 and JEOL 8800R Superprobe
  • Acceleration voltage: 15 kV
  • Probe current: 20 nA
  • Beam diameter: 10 m
  • Count time on peak: 10–40 s
  • SRM: synthetic oxides and natural minerals