YF4B < 20190528150406-323611 > pub
  • technique: U-Series_procedures of Yokoyama et al. (1999, 2001, 2003)
  • device: TIMS Thermo-Fisher MAT262
  • operator: Yokoyama
  • modified at 2019-05-28
  • stone: YF4B
measured value uncertainty unit description
[Th] 4.95 µg/g
[U] 1.31 µg/g
230Th/232Th 0.996
238U/232Th 0.805
230Th/238U 1.238
234U/238U 0.999
name global-id
name spots global-id