GQ04Zr_7 < 20190827143927-430769 > pub
  • technique: SIMS
  • device: SIMS Cameca ims-5f
  • operator: Hao
  • modified at 2019-08-27
  • stone: GQ04Zr_7
measured value uncertainty unit description
[Pb] 14.2 ppm
[Th] 20.6 ppm
[U] 394.0 ppm
Th/U 0.1
206Pb/204Pb 1642.0
207Pb/235U 0.2324
206Pb/238U 0.034
name global-id
name spots global-id