MR-15 < 20191018111425-901643 > pub
  • technique: Pb isotopes_procedures of Kuritani and Nakamura (2002, 2003)
  • device: TIMS Thermo-Fisher MAT261/262
  • operator: Usui
  • modified at 2019-11-25
  • stone: MR-15
measured value uncertainty unit description
[Pb] 5.6 ppm
206Pb/204Pb 19.327
207Pb/204Pb 15.679
208Pb/204Pb 38.855
238U/204Pb 15.0
235U/204Pb 0.109
232Th/204Pb 32.4
206Pb/204Pbi 19.257
207Pb/204Pbi 15.676
208Pb/204Pbi 38.807
[Th] 2.72 ppm
[U] 1.3 ppm
name global-id
name spots global-id