Parameters | Method of moments | Folk and Ward’s method | Description | |||
Arithmetic (µm) | Geometric (µm) | Logarithmic phi (ϕ) | Geometric (µm) | Logarithmic phi (ϕ) | ||
Mean | 492.663 | 434.026 | 1.204 | 438.087 | 1.191 | Medium Sand |
Sorting | 225.084 | 1.676 | 0.745 | 1.658 | 0.730 | Moderately Sorted |
Skewness | 0.726 | −0.645 | 0.645 | −0.288 | 0.288 | Fine Skewed |
Kurtosis | 6.062 | 2.845 | 2.845 | 0.817 | 0.817 | Platykurtic |