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