Parameters | Method of moments | Folk and Ward’s method | Description | |||
Arithmetic (µm) | Geometric (µm) | Logarithmic phi (ϕ) | Geometric (µm) | Logarithmic phi (ϕ) | ||
Mean | 642.7 | 598.7 | 0.740 | 590.8 | 0.759 | Coarse Sand |
Sorting | 235.5 | 1.415 | 0.501 | 1.408 | 0.494 | Well Sorted |
Skewness | 1.524 | −0.090 | 0.090 | −0.164 | 0.164 | Fine Skewed |
Kurtosis | 8.766 | 3.372 | 3.372 | 1.089 | 1.089 | Mesokurtic |