P1-1 | P1-2 | P1-3 | P1-4 | P1-5 | P1-6 | P1-7 | P1-8 | P1-9 | P1-10 | P1-11 | P1-12 | P1-13 | P1-14 | P1-15 | |
碎斑安山岩 | 安山岩 | 气孔状粗安岩 | |||||||||||||
SiO2 | 58.69 | 59.53 | 59.05 | 61.12 | 57.11 | 57.28 | 60.2 | 57.57 | 57.46 | 57.1 | 63.21 | 60.75 | 60.2 | 62.82 | 56.51 |
Al2O3 | 15.49 | 15.58 | 15.64 | 16.33 | 17.76 | 16.97 | 17.09 | 16.7 | 18.16 | 16.46 | 17.18 | 14.47 | 15.97 | 18.1 | 17.28 |
Fe2O3 | 5.76 | 5.93 | 6.3 | 6.69 | 7.33 | 7.36 | 5.82 | 7.61 | 7.57 | 5.74 | 5.51 | 5.99 | 6.3 | 3.1 | 3.32 |
MgO | 2.11 | 1.84 | 2.92 | 2.14 | 2.47 | 3.31 | 2.41 | 2.82 | 1.65 | 2.22 | 0.365 | 1.69 | 2.29 | 0.44 | 2.93 |
CaO | 4.27 | 4.18 | 4.05 | 3.42 | 4.16 | 3.54 | 2.4 | 4.33 | 4.83 | 5.68 | 2.9 | 3.66 | 4.96 | 2.54 | 4.07 |
Na2O | 3.8 | 4.26 | 3.73 | 4.46 | 5.69 | 4.84 | 5.72 | 4.47 | 4.04 | 3.38 | 5.47 | 3.37 | 4.04 | 4.99 | 4.86 |
K2O | 3.79 | 3.28 | 2.85 | 3.36 | 2.27 | 2.2 | 3.15 | 2.55 | 1.72 | 3.21 | 3.52 | 4.81 | 2.54 | 4.29 | 3.15 |
MnO | 0.043 | 0.097 | 0.062 | 0.092 | 0.055 | 0.073 | 0.069 | 0.083 | 0.1 | 0.283 | 0.058 | 0.057 | 0.087 | 0.04 | 0.1 |
TiO2 | 0.725 | 0.749 | 0.767 | 0.757 | 1.08 | 1.05 | 0.891 | 0.906 | 0.662 | 0.635 | 0.642 | 0.636 | 0.757 | 0.58 | 0.72 |
P2O5 | 0.258 | 0.274 | 0.284 | 0.273 | 0.431 | 0.458 | 0.379 | 0.384 | 0.459 | 0.455 | 0.429 | 0.232 | 0.268 | 0.34 | 0.29 |
FeO | 4.98 | 4.18 | 4.23 | 1.33 | 1.6 | 2.86 | 1.83 | 2.52 | 3.25 | 4.74 | 0.67 | 4.25 | 2.48 | 1.32 | 2.73 |
LOS | 2.42 | 1.93 | 1.65 | 1.4 | 1.35 | 1.78 | 1.25 | 1.02 | 2.3 | 1.48 | 0.95 | 0.88 | 2.65 | 1.111 | 3.7038 |
K2O/Na2O | 1 | 0.77 | 0.76 | 0.75 | 0.4 | 0.45 | 0.55 | 0.57 | 0.43 | 0.95 | 0.64 | 1.43 | 0.63 | 0.86 | 0.65 |
A/CNK | 0.85 | 0.86 | 0.94 | 0.95 | 0.92 | 1.01 | 0.99 | 0.93 | 1.05 | 0.85 | 0.95 | 0.83 | 0.87 | 0.85 | 0.87 |
Mg# | 19 | 17 | 27 | 26 | 27 | 31 | 31 | 27 | 15 | 20 | 6 | 16 | 25 | 10 | 46 |
Na2O + K2O | 7.59 | 7.54 | 6.58 | 7.82 | 7.96 | 7.04 | 8.87 | 7.02 | 5.76 | 6.59 | 8.99 | 8.18 | 6.58 | 9.28 | 8.01 |
δ | 3.67 | 3.44 | 2.70 | 3.37 | 4.49 | 3.47 | 4.57 | 3.38 | 2.29 | 3.08 | 4.00 | 3.77 | 2.52 | 4.35 | 4.75 |