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. 2026 Jan 17;16:2613. doi: 10.1038/s41598-025-33781-2

Table 1.

Chemical analyses of major oxides (wt, %) for granodiorite.

Sample No. Gd29 Gd32 Gd35 Gd38 Gd41 Gd44 Gd47 Gd50 Gd52 Gd55 Gd59 Gd63
SiO2 68.21 68.84 69.82 70.16 70.65 68.58 71.69 71.37 70.26 71.44 71.32 69.42
TiO2 0.77 0.67 0.51 0.46 0.45 0.74 0.26 0.34 0.54 0.24 0.42 0.59
Al2O3 14.88 14.38 14.73 14.9 14.7 14.61 14.71 14.56 14.81 14.92 14.49 14.29
Fe2O3 3.32 2.92 2.68 2.48 2.44 3.26 1.99 2.31 2.6 2.12 2.38 2.89
MnO 0.07 0.06 0.07 0.07 0.07 0.07 0.07 0.06 0.07 0.07 0.06 0.07
MgO 1.56 1.23 1.03 0.89 0.88 1.53 0.92 0.89 1.06 0.95 0.91 1.25
CaO 3.87 3.33 2.89 2.77 2.59 3.73 2.37 2.34 2.97 2.42 2.41 3.07
Na2O 3.56 3.63 3.67 3.84 3.63 3.56 4.09 3.66 3.63 3.95 3.75 3.54
K2O 2.54 2.92 3.08 2.9 3.19 2.72 3.44 3.57 3.07 3.23 3.55 3.19
P2O5 0.14 0.11 0.1 0.09 0.09 0.13 0.08 0.08 0.09 0.06 0.08 0.11
LOI 0.85 0.69 0.7 0.59 0.56 0.82 0.5 0.55 0.6 0.54 0.57 0.64
Total 99.76 98.78 99.28 99.15 99.25 99.75 100.12 99.76 99.7 99.9 99.94 99.06
Density±0.001 (g/cm3) 2.61 2.73 2.69 2.70 2.66 2.63 2.69 2.71 2.63 2.66 2.67 2.62