C20 < 20190522153218-944556 > on C20 pub determined by XRF procedures of Takei (2002) with XRF PANalytical PW2400

measured value uncertainty unit
[SiO2] 46.5 %
[TiO2] 3.27 %
[Al2O3] 16.0 %
[MnO] 0.2 %
[MgO] 5.39 %
[CaO] 10.0 %
[Na2O] 4.49 %
[K2O] 1.84 %
[P2O5] 0.86 %
[LOI] -0.32 %
total 100.0 %
[Cr2O3] 79.0 ppm
[NiO] 46.0 ppm
tables:
  • Table 1. Major elements, trace elements and Sr, Nd, Pb, U, Th and Ra isotope data of Yokoyama, Tetsuya (2007) Plume-lithosphere interaction beneath Mt. Cameroon volcano, West Africa: Constraints from 238U-230Th-226Ra and Sr-Nd-Pb isotope systematics, Geochimica et Cosmochimica Acta, 71, 1835-1854. more