JB-3_U-Th < 20190604111737-825072 > pub
  • technique: U-Series_procedures of Yokoyama et al. (1999, 2001, 2003)
  • device: TIMS Thermo-Fisher MAT262
  • operator: Yokoyama
  • modified at 2019-10-04
  • stone: JB-3 powder
measured value uncertainty unit description
[Th] 1.271 µg/g
[U] 0.475 µg/g
230Th/232Th 1.023
238U/232Th 1.135
234U/238U 1.0
name global-id
name spots global-id