Af-1B < 20210127053000-450526 > pub
  • technique: U-Series_procedures of Yokoyama et al. (1999, 2001, 2003)
  • device: MAT 262
  • operator: Kuritani
  • modified at 2021-01-27
  • stone: Af 1b
measured value uncertainty unit description
[Th] 3.27 ppm
[U] 0.93 ppm
230Th/232Th 0.938
238U/232Th 0.863
234U/238U 1.002
name global-id
name spots global-id