C20 < 20190524153541-991080 > on C20 pub determined by U-Series_procedures of Yokoyama et al. (1999, 2001, 2003) with TIMS Thermo-Fisher MAT262

measured value uncertainty unit
[Th] 9.018 µg/g
[U] 2.467 µg/g
230Th/232Th 0.997
238U/232Th 0.83
230Th/238U 1.201
234U/238U 1.002
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