Sample | Fe-shale | Shale | Arkose | Fe-sandstone |
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Ref. code | BB2 | BB3 | BB4 | EDDd | MTR5 | MTR4 | TJC1 | TJC2 | TJC4 | MTFb | MTR1 | TJC3 | TJC5 | BB5 | BB1 | PAAS | UCC |
La | 67.20 | 53.70 | 117.00 | 47.40 | 64.00 | 65.70 | 67.70 | 49.70 | 182.50 | 51.40 | 19.90 | 26.60 | 19.80 | 29.20 | 48.90 | 38.20 | 30.00 |
Ce | 139.00 | 112.50 | 287.00 | 93.10 | 126.00 | 126.50 | 127.50 | 92.20 | 316.00 | 101.50 | 36.50 | 48.70 | 37.30 | 52.50 | 106.00 | 79.60 | 64.00 |
Pr | 19.50 | 15.95 | 35.20 | 10.20 | 14.05 | 12.45 | 14.55 | 10.65 | 37.20 | 11.10 | 3.83 | 5.66 | 3.98 | 6.08 | 11.70 | 8.83 | 7.10 |
Nd | 78.00 | 66.90 | 139.00 | 38.00 | 52.90 | 42.40 | 52.20 | 40.50 | 130.00 | 40.80 | 12.80 | 21.80 | 15.70 | 21.70 | 45.20 | 33.90 | 26.00 |
Sm | 16.35 | 13.90 | 25.00 | 5.74 | 8.18 | 6.26 | 9.25 | 7.19 | 22.30 | 5.70 | 1.68 | 4.14 | 2.86 | 4.29 | 8.80 | 5.55 | 4.50 |
Eu | 4.68 | 4.13 | 5.74 | 1.74 | 1.77 | 1.71 | 1.96 | 1.52 | 4.82 | 1.18 | 0.42 | 1.03 | 0.78 | 0.67 | 1.75 | 1.08 | 0.88 |
Gd | 12.20 | 12.00 | 20.20 | 4.48 | 7.85 | 9.02 | 6.63 | 5.37 | 14.65 | 5.65 | 1.51 | 3.11 | 2.03 | 3.06 | 6.90 | 4.66 | 3.80 |
Tb | 1.68 | 1.54 | 2.75 | 0.45 | 0.93 | 1.41 | 1.02 | 0.73 | 2.27 | 0.68 | 0.24 | 0.45 | 0.32 | 0.45 | 0.98 | 0.77 | 0.64 |
Dy | 8.05 | 8.01 | 16.15 | 2.13 | 5.86 | 12.20 | 5.46 | 4.23 | 12.75 | 4.48 | 1.85 | 2.67 | 1.48 | 2.25 | 4.66 | 4.68 | 3.50 |
Ho | 1.20 | 1.24 | 2.98 | 0.37 | 1.09 | 2.83 | 1.15 | 0.76 | 2.24 | 0.89 | 0.34 | 0.58 | 0.26 | 0.42 | 0.76 | 0.99 | 0.80 |
Er | 2.70 | 3.29 | 8.09 | 0.83 | 3.26 | 8.96 | 3.37 | 2.04 | 6.39 | 2.50 | 1.02 | 1.85 | 0.74 | 1.13 | 2.04 | 2.85 | 2.30 |
Tm | 0.32 | 0.44 | 1.09 | 0.13 | 0.45 | 1.21 | 0.46 | 0.31 | 0.87 | 0.39 | 0.15 | 0.25 | 0.09 | 0.20 | 0.31 | 0.41 | 0.33 |
Yb | 2.08 | 2.30 | 6.26 | 0.88 | 2.89 | 6.98 | 3.39 | 1.89 | 5.86 | 2.45 | 0.81 | 1.54 | 0.66 | 1.10 | 2.02 | 2.82 | 2.20 |
Lu | 0.25 | 0.32 | 0.92 | 0.11 | 0.44 | 1.08 | 0.48 | 0.30 | 0.90 | 0.40 | 0.12 | 0.21 | 0.10 | 0.17 | 0.26 | 0.43 | 0.32 |
La + Ce + Nd | 284.20 | 233.10 | 543.00 | 178.50 | 242.90 | 234.60 | 247.40 | 182.40 | 628.50 | 193.70 | 69.20 | 97.10 | 72.80 | 103.40 | 200.10 | 151.70 | 120.00 |
∑REE | 353.21 | 296.22 | 667.38 | 205.56 | 289.67 | 298.71 | 295.12 | 217.39 | 738.75 | 229.12 | 81.17 | 118.59 | 86.10 | 123.22 | 240.28 | 184.77 | 146.37 |
∑LREE | 324.73 | 267.08 | 608.94 | 196.18 | 266.90 | 255.02 | 273.16 | 201.76 | 692.82 | 211.68 | 75.13 | 107.93 | 80.42 | 114.44 | 222.35 | 160.53 | 132.48 |
∑HREE | 28.48 | 29.14 | 58.44 | 9.38 | 22.77 | 43.69 | 21.96 | 15.63 | 45.93 | 17.44 | 6.04 | 10.66 | 5.68 | 8.78 | 17.93 | 12.18 | 13.89 |
LREE/HREE | 11.40 | 9.17 | 10.42 | 20.91 | 11.72 | 5.84 | 12.44 | 12.91 | 15.08 | 12.14 | 12.44 | 10.12 | 14.16 | 13.03 | 12.40 | 13.18 | 9.54 |
Eu/Eu* | 1.56 | 1.51 | 1.20 | 1.62 | 1.04 | 1.07 | 1.18 | 1.15 | 1.26 | 0.98 | 1.24 | 1.35 | 1.52 | 0.87 | 1.06 | 0.63 | 0.65 |
Ce/Ce* | 0.89 | 0.89 | 1.03 | 0.98 | 0.97 | 1.02 | 0.94 | 0.92 | 0.88 | 0.98 | 0.96 | 0.92 | 0.97 | 0.91 | 1.02 | 1.04 | 1.08 |
La/Th | 8.72 | 6.14 | 7.07 | 4.47 | 2.12 | 2.50 | 8.78 | 5.69 | 11.03 | 1.59 | 3.29 | 2.51 | 0.66 | 3.19 | 3.24 | 2.31 | 2.80 |
La/Sc | 1.82 | 1.45 | 7.31 | 15.80 | 7.11 | 5.48 | 1.83 | 1.34 | 11.41 | 8.57 | 19.90 | 8.87 | 2.20 | 3.24 | 5.43 | 2.39 | 2.20 |
(La/Yb)n | 2.39 | 1.72 | 1.38 | 3.98 | 1.93 | 0.69 | 1.47 | 1.94 | 2.30 | 1.55 | 1.81 | 1.28 | 0.60 | 1.96 | 1.79 | 9.15 | 9.21 |
(La/Sm)n | 0.60 | 0.56 | 0.68 | 1.20 | 1.14 | 1.17 | 1.06 | 1.00 | 1.19 | 1.31 | 1.72 | 0.93 | 1.01 | 0.99 | 0.81 | 4.33 | 4.20 |
(Gd/Yb)n | 3.55 | 3.16 | 1.95 | 3.08 | 1.64 | 0.78 | 1.18 | 1.72 | 1.51 | 1.40 | 1.13 | 1.22 | 1.86 | 1.68 | 2.07 | 1.34 | 1.40 |