U | 0.09 | 0.04 | 0.01 | 0.02 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | ||||
La | 2.92 | 2.88 | 0.81 | 4.44 | 0.11 | 1.03 | 0.75 | 0.66 | 0.55 | 1.21 | 0.49 | ||||
Ce | 7.14 | 5.92 | 1.72 | 12.47 | 0.27 | 2.08 | 2.12 | 1.44 | 1.16 | 3.77 | 1.40 | ||||
Pr | 0.90 | 0.72 | 0.23 | 2.11 | 0.04 | 0.29 | 0.38 | 0.21 | 0.18 | 0.59 | 0.21 | ||||
Nd | 5.29 | 4.20 | 1.44 | 15.02 | 0.24 | 1.78 | 3.03 | 1.28 | 1.19 | 3.68 | 1.24 | ||||
Sm | 1.25 | 0.96 | 0.43 | 4.76 | 0.08 | 0.44 | 1.09 | 0.42 | 0.38 | 1.14 | 0.36 | ||||
Eu | 0.40 | 0.40 | 0.27 | 1.70 | 0.04 | 0.37 | 0.40 | 0.24 | 0.20 | 0.45 | 0.15 | ||||
Gd | 1.21 | 1.02 | 0.48 | 4.82 | 0.10 | 0.51 | 1.37 | 0.54 | 0.41 | 1.26 | 0.40 | ||||
Tb | 0.14 | 0.13 | 0.05 | 0.55 | 0.01 | 0.05 | 0.20 | 0.06 | 0.05 | 0.25 | 0.08 | ||||
Dy | 1.14 | 0.88 | 0.36 | 3.36 | 0.09 | 0.35 | 1.51 | 0.44 | 0.34 | 1.53 | 0.47 | ||||
Ho | 0.16 | 0.14 | 0.06 | 0.57 | 0.01 | 0.06 | 0.26 | 0.08 | 0.06 | 0.34 | 0.10 | ||||
Er | 0.45 | 0.39 | 0.18 | 1.41 | 0.04 | 0.17 | 0.73 | 0.24 | 0.17 | 0.85 | 0.27 | ||||
Tm | 0.06 | 0.05 | 0.02 | 0.16 | 0.00 | 0.02 | 0.10 | 0.04 | 0.03 | 0.14 | 0.04 | ||||
Yb | 0.38 | 0.34 | 0.15 | 0.95 | 0.03 | 0.12 | 0.53 | 0.21 | 0.15 | 0.84 | 0.28 | ||||
Lu | 0.05 | 0.05 | 0.02 | 0.12 | 0.00 | 0.02 | 0.09 | 0.04 | 0.03 | 0.13 | 0.05 | ||||
∑REE | 21.52 | 18.07 | 6.23 | 52.43 | 1.06 | 7.30 | 12.56 | 5.91 | 4.88 | 16.18 | 5.54 | ||||
LREE | 17.92 | 15.07 | 4.90 | 40.49 | 0.78 | 6.01 | 7.77 | 4.26 | 3.65 | 10.84 | 3.85 | ||||
HREE | 3.60 | 3.00 | 1.33 | 11.93 | 0.28 | 1.30 | 4.78 | 1.65 | 1.23 | 5.34 | 1.69 | ||||
LREE/HREE | 4.98 | 5.02 | 3.68 | 3.39 | 2.79 | 4.63 | 1.63 | 2.58 | 2.96 | 2.03 | 2.28 | ||||
δEu | 1.01 | 1.24 | 1.79 | 1.08 | 1.46 | 2.41 | 1.01 | 1.56 | 1.56 | 1.15 | 1.21 | ||||
(La/Yb)N | 5.19 | 5.71 | 3.64 | 3.15 | 3.05 | 5.80 | 0.95 | 2.13 | 2.48 | 0.97 | 1.18 | ||||
(La/Sm)N | 1.47 | 1.89 | 1.18 | 0.59 | 0.86 | 1.47 | 0.43 | 0.99 | 0.92 | 0.67 | 0.86 | ||||
(Gd/Yb)N | 2.57 | 2.42 | 2.59 | 4.09 | 3.22 | 3.40 | 2.09 | 2.08 | 2.19 | 1.21 | 1.15 | ||||
样品编号 | B-171 | B-210 | BJG-12 | BJG-15 | BJG-16 | BJG-20 | BJG-3 | BJG-8 | BJG-10 | BJG-13 | BJG-14 | ||||
岩性 | 橄长岩 | 磁铁矿化辉长岩 | 钒钛磁铁矿石 | ||||||||||||
SiO2 | 41.50 | 35.10 | 37.66 | 39.17 | 40.15 | 38.80 | 27.10 | 28.38 | 32.07 | 28.20 | 27.39 | ||||
TiO2 | 0.02 | 0.04 | 4.59 | 3.26 | 3.34 | 3.51 | 6.60 | 5.16 | 5.11 | 7.19 | 7.95 | ||||
Al2O3 | 21.85 | 6.59 | 11.59 | 15.51 | 13.57 | 8.94 | 10.56 | 13.14 | 11.82 | 12.19 | 12.19 | ||||
TFe2O3 | 6.07 | 15.11 | 19.78 | 25.63 | 22.41 | 26.22 | 41.34 | 36.93 | 34.38 | 39.33 | 40.12 | ||||
MnO | 0.08 | 0.11 | 0.30 | 0.21 | 0.23 | 0.26 | 0.24 | 0.18 | 0.22 | 0.27 | 0.29 | ||||
MgO | 14.25 | 29.91 | 6.92 | 6.25 | 6.30 | 7.91 | 5.30 | 3.94 | 4.72 | 3.64 | 3.53 | ||||
CaO | 10.03 | 2.69 | 11.97 | 7.40 | 8.91 | 11.22 | 6.98 | 7.84 | 8.26 | 6.40 | 5.96 | ||||
Na2O | 1.40 | 0.17 | 2.68 | 1.76 | 2.32 | 1.13 | 0.87 | 2.07 | 1.42 | 1.98 | 1.64 | ||||
K2O | 0.03 | 0.03 | 0.11 | 0.14 | 0.27 | 0.08 | 0.06 | 0.52 | 0.10 | 0.09 | 0.10 | ||||
P2O5 | 0.01 | 0.01 | 2.71 | 0.03 | 0.08 | 0.02 | 0.02 | 0.02 | 0.06 | 0.14 | 0.12 | ||||
LOI | 4.46 | 10.04 | 1.48 | 0.53 | 2.01 | 1.54 | 1.06 | 1.16 | 1.08 | 0.09 | 0.03 | ||||