Kk 8 < 20190614154424-239007 > on Kk 8 pub determined by XRF_procedure of Kushiro (1994) with XRF Philips PW-1480 (Tokyo)

measured value uncertainty unit
[SiO2] 57.72 %
[TiO2] 1.09 %
[Al2O3] 17.58 %
[Fe2O3T] 7.04 %
[MnO] 0.15 %
[MgO] 2.39 %
[CaO] 5.46 %
[Na2O] 5.34 %
[K2O] 1.28 %
[P2O5] 0.47 %
total 98.51 %
[Ba] 249.0 ppm
[Cr] 5.0 ppm
[Nb] 7.5 ppm
[Ni] 0.5 ppm
[Pb] 4.2 ppm
[Rb] 30.0 ppm
[Sr] 450.0 ppm
[Th] 4.8 ppm
[Y] 25.9 ppm
[Zr] 301.0 ppm
tables:
  • Table 1. Whole-rock major and trace element compositions and modal compositions of representative samples of Kuritani, Takeshi (2001) Replenishment of a mafic magma in a zoned felsic magma chamber beneath Rishiri Volcano, Japan, Bulletin of Volcanology, 62, 533-548. more