JB2-1_Ra < 20191011135228-878050 > pub
  • technique: U-Series_procedures of Yokoyama et al. (1999, 2001, 2003)
  • device: TIMS Thermo-Fisher MAT262
  • modified at 2019-10-11
  • stone: JB2-1
measured value uncertainty unit description
[Th] 0.269 µg/g
230Th/232Th 1.205
226Ra/230Th 2.253 0.024
[226Ra] 81.13 0.49 fg/g
name global-id
name spots global-id