样品 | DXO68-Q1 | DXO69-Q1 | DXO79-Q1 | DXO79-Q2 | DXO85-Q1 | DXO85-Q2 | DXO85-Q3 | DXO85-Q4 | DXO85-Q5 | |
岩性 | 粗面英安岩 | 粗面英安岩 | 粗面英安岩 | 粗面英安岩 | 粗面英安岩 | 粗面英安岩 | 粗面英安岩 | 粗面英安岩 | 粗面英安岩 | |
SiO2 | 69.77 | 68.53 | 70.34 | 70.08 | 69.07 | 69.88 | 69.74 | 69.39 | 70.32 | |
TiO2 | 0.25 | 0.31 | 0.27 | 0.25 | 0.28 | 0.27 | 0.27 | 0.28 | 0.26 | |
Al2O3 | 15.08 | 15.58 | 14.17 | 13.85 | 15.58 | 15.47 | 15.34 | 15.46 | 15.35 | |
Fe2O3 | 1.49 | 1.45 | 1.20 | 1.22 | 1.21 | 1.15 | 1.25 | 1.35 | 1.10 | |
FeO | 2.73 | 2.65 | 2.29 | 2.29 | 2.33 | 2.21 | 2.38 | 2.57 | 2.07 | |
MnO | 0.02 | 0.01 | 0.02 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.01 | |
MgO | 0.22 | 0.22 | 0.10 | 0.10 | 0.15 | 0.18 | 0.17 | 0.14 | 0.19 | |
CaO | 0.23 | 0.31 | 0.46 | 1.15 | 0.17 | 0.20 | 0.20 | 0.10 | 0.15 | |
Na2O | 2.66 | 2.10 | 2.85 | 3.16 | 2.50 | 2.65 | 2.88 | 2.81 | 3.02 | |
K2O | 6.60 | 7.38 | 7.25 | 6.63 | 7.99 | 7.64 | 7.31 | 7.4 | 6.78 | |
P2O5 | 0.05 | 0.04 | 0.39 | 0.83 | 0.07 | 0.07 | 0.08 | 0.04 | 0.07 | |
LOI | 1.55 | 2.01 | 1.44 | 0.96 | 1.29 | 1.12 | 1.10 | 1.12 | 1.21 | |
Total | 99.10 | 98.57 | 99.33 | 99.58 | 99.36 | 99.73 | 99.61 | 99.53 | 99.32 | |
ALK | 9.26 | 9.48 | 10.10 | 9.79 | 10.49 | 10.29 | 10.19 | 10.21 | 9.80 | |
Na2O + K2O | 9.26 | 9.48 | 10.1 | 9.79 | 10.49 | 10.29 | 10.19 | 10.21 | 9.8 | |
Rb | 219.00 | 246.00 | 208.00 | 196.00 | 245.00 | 264.00 | 248.00 | 233.00 | 215.00 | |
Ba | 1302.00 | 1663.00 | 1733.00 | 1491.00 | 2247.00 | 1818.00 | 2043.00 | 2214.00 | 1589.00 | |
Th | 19.60 | 17.10 | 18.10 | 17.80 | 17.80 | 19.20 | 20.00 | 20.20 | 19.80 | |
U | 3.57 | 3.19 | 23.10 | 33.30 | 2.64 | 2.54 | 2.60 | 2.90 | 2.27 | |
Nb | 19.20 | 18.30 | 19.60 | 18.10 | 18.50 | 19.60 | 19.20 | 20.30 | 18.50 | |
Ta | 1.40 | 1.35 | 1.24 | 1.12 | 1.25 | 1.33 | 1.29 | 1.39 | 1.27 | |
Pb | 37.70 | 29.00 | 24.60 | 20.80 | 19.10 | 17.30 | 22.10 | 23.80 | 15.90 | |
Sr | 144.00 | 186.00 | 89.90 | 146.00 | 55.30 | 91.40 | 96.10 | 68.20 | 68.70 | |
Nd | 67.90 | 78.40 | 105.00 | 70.50 | 64.10 | 65.10 | 65.40 | 66.00 | 66.10 | |
Zr | 387.00 | 408.00 | 401.00 | 362.00 | 424.00 | 425.00 | 443.00 | 447.00 | 414.00 | |
Hf | 10.30 | 9.62 | 9.56 | 8.98 | 10.20 | 11.00 | 11.60 | 10.90 | 10.10 | |
Y | 33.70 | 41.10 | 58.30 | 67.40 | 30.80 | 37.20 | 33.60 | 33.20 | 33.30 | |
La | 99.70 | 107.00 | 157.00 | 100.00 | 93.30 | 94.40 | 95.30 | 96.00 | 97.00 | |
Ce | 170.00 | 138.00 | 170.00 | 153.00 | 161.00 | 164.00 | 163.00 | 160.00 | 167.00 | |
Pr | 19.00 | 21.00 | 28.90 | 18.60 | 17.60 | 17.80 | 18.20 | 18.40 | 18.60 | |
Nd | 67.90 | 78.40 | 105.00 | 70.50 | 64.10 | 65.10 | 65.40 | 66.00 | 66.10 | |
Sm | 10.80 | 13.50 | 16.90 | 12.10 | 10.30 | 10.60 | 10.40 | 10.40 | 10.60 | |
Eu | 2.19 | 2.78 | 3.15 | 2.88 | 2.15 | 2.17 | 2.17 | 2.25 | 2.18 | |
Gd | 8.91 | 11.40 | 14.30 | 11.50 | 8.26 | 8.64 | 8.49 | 8.34 | 8.61 | |
Tb | 1.38 | 1.71 | 2.10 | 1.86 | 1.26 | 1.31 | 1.36 | 1.33 | 1.32 | |
Dy | 6.97 | 8.86 | 10.20 | 10.10 | 6.23 | 7.03 | 6.31 | 6.49 | 6.46 | |
Ho | 1.16 | 1.51 | 1.86 | 1.91 | 1.07 | 1.24 | 1.13 | 1.26 | 1.13 | |
Er | 3.68 | 4.43 | 5.49 | 6.18 | 3.44 | 3.92 | 3.41 | 3.63 | 3.35 | |
Tm | 0.49 | 0.57 | 0.80 | 0.95 | 0.48 | 0.57 | 0.49 | 0.52 | 0.50 | |
Yb | 3.18 | 4.06 | 5.28 | 6.28 | 2.90 | 3.43 | 3.15 | 3.32 | 2.90 | |
Lu | 0.49 | 0.55 | 0.73 | 0.90 | 0.42 | 0.56 | 0.46 | 0.43 | 0.40 | |
∑REE | 429.55 | 434.87 | 580.02 | 464.16 | 403.31 | 417.96 | 412.88 | 411.57 | 419.44 | |
LREE | 369.59 | 360.68 | 480.95 | 357.08 | 348.45 | 354.07 | 354.47 | 353.05 | 361.48 | |
HREE | 26.26 | 33.09 | 40.77 | 39.68 | 24.06 | 26.69 | 24.81 | 25.32 | 24.66 | |
LREE/HREE | 14.07 | 10.09 | 11.80 | 9.00 | 14.48 | 13.27 | 14.29 | 13.94 | 14.66 | |
δEu | 0.68 | 0.69 | 0.62 | 0.75 | 0.71 | 0.69 | 0.71 | 0.74 | 0.70 | |
(La/Yb)N | 22.49 | 18.90 | 21.33 | 11.42 | 23.08 | 19.74 | 21.70 | 20.74 | 23.99 |