Kuritani et al. (2011) Geochemical evolution of historical lavas from Askja Volcano, Iceland: Implications for mechanisms and timescales of magmatic differentiation, Geochimica et Cosmochimica Acta, 75, 570-587, doi:10.1016/j.gca.2010.10.009. < 20150909151416-697811 > pub
Table 2. U-series data of the representative samples < 20160112185918-456715 > pub
measured unit IA1803 IA1832 IA1841 IA1842 IA1904 IA1933 IA2011 IB1904 IB1906 IB1907 IB1913
[Th] a µg/g 6.578 1.888 1.448 1.435 1.535 0.949 1.446 3.369 1.602 1.611 1.43
[U] a µg/g 1.986 0.565 0.431 0.426 0.46 0.281 0.433 1.0 0.475 0.479 0.43
230Th/232Th a 0.974 (0.004) 1.005 (0.006) 1.016 (0.005) 1.015 (0.005) 1.019 (0.004) 1.033 (0.005) 1.023 (0.005) 0.981 (0.005) 1.016 (0.005) 1.009 (0.005) 1.014 (0.005)
238U/232Th a 0.916 0.908 0.903 0.901 0.91 0.899 0.909 0.901 0.9 0.901 0.912
234U/238U a 1.001 (0.002) 1.001 (0.002) 1.0 (0.001) 1.0 (0.002) 1.002 (0.003) 1.0 (0.002) 1.002 (0.002) 1.0 (0.002) 1.004 (0.003) 1.0 (0.003) 1.003 (0.005)
[226Ra] a fg/g 715 (1) 220 (1) 176 (1) 173 (0) 184 (1) 109 (1) 174 (1) 372 (1) 190 (1) 190 (1) 165 (1)
226Ra/230Th a 1.003 (0.008) 1.042 (0.012) 1.073 (0.011) 1.065 (0.009) 1.055 (0.01) 0.999 (0.012) 1.057 (0.011) 1.01 (0.012) 1.047 (0.011) 1.051 (0.009) 1.024 (0.009)
(a) determined by TIMS on TIMS Thermo-Fisher MAT262 with RPQplus
name physical-form quantity unit global-id
IA1803 pub aliquot 0.785 kg 20110601092750-613-938
IA1832 pub aliquot 0.945 kg 20110603092609-503-509
IA1841 pub aliquot 1.165 kg 20110602093008-344-915
IA1842 pub aliquot 0.885 kg 20110602093002-187-097
IA1904 pub aliquot 0.315 kg 20110607093249-775-704
IA1933 pub aliquot 0.66 kg 20110606092625-983-892
IA2011 pub aliquot 0.905 kg 20110609094000-287-116
IB1904 pub aliquot 0.665 kg 20110613093407-973-739
IB1906 pub aliquot 0.345 kg 20110613093417-269-764
IB1907 pub aliquot 0.28 kg 20110613093423-567-843
IB1913 pub aliquot 0.66 kg 20110613093455-471-815

The table is created from analysis shown below. The rowname U-series (Kuritani et al., 2011) filters out analysis. Upper analysis has priority.To list more analysis, add a stone in stone sub-tab.

  • name
    technique
    device
    priority
IA1803 IA1832 IA1841 IA1842 IA1904 IA1933 IA2011 IB1904 IB1906 IB1907 IB1913