D31 < 20190528112725-229102 > pub
  • technique: XRF procedures of Takei (2002)
  • device: XRF PANalytical PW2400
  • operator: Aka
  • modified at 2019-05-28
  • stone: D31
measured value uncertainty unit description
[SiO2] 47.8 %
[TiO2] 2.74 %
[Al2O3] 15.01 %
[Fe2O3T] 12.2 %
[MnO] 0.18 %
[MgO] 7.77 %
[CaO] 8.3 %
[Na2O] 4.27 %
[K2O] 1.83 %
[P2O5] 0.83 %
[LOI] -0.42 %
total 100.5 %
[Cr] 208.0 ppm
[Ni] 148.0 ppm
name global-id
name spots global-id