Table 3 The mineral composition and chemical constituents of WGS and FG.
From: Study on the mechanical properties and microscopic evolution mechanisms of weathered granite soil
Sample | Mineral composition (%) | Main chemical constituents (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Kaolinite | Quartz | Feldspar | Illite | Mica | Hematite | SiO2 | Al2O3 | Fe2O3 | K2O | TiO2 | MgO | P2O5 | Na2O | CaO | SO3 | |
GRSB1 | 39.4 | 6.9 | 22.4 | 14.7 | 13.3 | 3.3 | 51.73 | 35.65 | 6.99 | 3.50 | 0.98 | 0.84 | 0.14 | 0.096 | 0.056 | 0.013 |
CWGB1 | 36.9 | 7.1 | 23.2 | 16.6 | 13.2 | 3.0 | 52.46 | 34.96 | 6.30 | 3.97 | 0.94 | 1.11 | 0.13 | 0.084 | 0.031 | 0.009 |
GRSB2 | 38.7 | 5.0 | 20.3 | 17.2 | 15.1 | 3.7 | 50.91 | 35.89 | 7.31 | 3.61 | 1.19 | 0.74 | 0.19 | 0.062 | 0.044 | 0.047 |
CWGB2 | 37.7 | 8.2 | 22.2 | 16.3 | 12.7 | 2.9 | 51.91 | 35.74 | 5.89 | 3.88 | 1.09 | 1.09 | 0.27 | 0.074 | 0.044 | 0.007 |
FGB1 | 18 | 31 | 25.4 | 11.6 | 12.5 | 1.5 | 65.58 | 16.95 | 3.62 | 5.76 | 0.67 | 1.62 | 0.58 | 2.490 | 2.710 | 0.014 |
FGB2 | 17.6 | 30.3 | 26.7 | 11.8 | 12.0 | 1.6 | 66.68 | 16.35 | 3.33 | 5.63 | 0.72 | 1.52 | 0.55 | 2.665 | 2.544 | 0.011 |
