3815-0_M19-01_core < 20191212150608-588591 > pub
  • technique: SEM-EDS
  • device: JEOL JSM-7001F SEM-EDS
  • operator: Ota
  • modified at 2019-12-12
  • stone: 3815-02_M19-01_core
measured value uncertainty unit description
[SiO2] 46.9 %
[TiO2] 0.16 %
[Al2O3] 29.4 %
[FeOT] 4.27 %
[MgO] 1.93 %
[Na2O] 0.17 %
[K2O] 12.0 %
[BaO] 0.85 %
[B2O3] 540.0 µg/g
name global-id
name spots global-id