D-1 D-2 D-3 I-2 1-4 I-5 Sh-1 Sh-3 Sh-10 Sh-12
La 14.6 15.4 11.3 16.8 14.4 14.1 16.7 18.2 15.2 11.0
Ce 17.4 16.2 12.6 24.1 18.6 20.9 14.2 17.0 12.2 10.0
Pr 2.61 2.69 1.99 3.25 2.68 2.83 2.82 3.18 3.22 1.73
Nd 10.0 10.0 8.6 13.3 11.0 11.7 11.1 11.8 9.4 6.4
Sm 2.15 2.22 1.52 2.61 2.05 2.31 2.31 2.54 1.61 1.28
Eu 0.53 0.51 0.37 0.69 0.52 0.57 0.56 0.63 0.40 0.33
Gd 2.42 2.30 1.62 2.72 2.21 2.46 2.62 3.04 1.95 1.46
Tb 0.38 15.4 0.28 0.45 0.37 0.43 0.43 0.50 0.31 0.26
Dy 2.18 16.8 1.91 2.86 2.22 2.13 2.62 2.96 2.03 1.63
Ho 0.51 2.69 0.42 0.56 0.48 0.48 0.60 0.66 0.46 0.38
Er 1.51 10.0 1.12 1.70 1.33 1.54 1.76 2.09 1.26 1.12
Tm 0.22 2.22 0.17 0.25 0.18 0.24 0.27 0.30 0.20 0.20
Yb 1.32 0.51 1.10 1.36 1.31 1.41 1.91 1.94 1.20 1.04
Table 5: REE concentrations in the Purple Shale.