measured | value | uncertainty | unit | description | |
---|---|---|---|---|---|
[SiO2] | 63.8 | % | |||
[TiO2] | 0.656 | % | |||
[Al2O3] | 16.2 | % | |||
[Cr2O3] | 0.003 | % | |||
[FeO] | 6.08 | % | |||
[MnO] | 0.089 | % | |||
[MgO] | 1.45 | % | |||
[NiO] | 0.001 | % | |||
[CaO] | 2.8 | % | |||
[Na2O] | 2.75 | % | |||
[K2O] | 4.58 | % | |||
[P2O5] | 0.143 | % | |||
total | 98.5 | % | |||