Based on the proportion of gravel, sand, mud, silt, and clay.
Classification into groups like "Sandy Mud" or "Slightly Gravelly Sand" using the modified Udden-Wentworth scale.
What did you use? (Sieves, laser, or pipette?) What Excel version are you currently running? gradistat v 91 free
While users often search for "," it is important to note that official versions listed by the developers typically include Version 4.0, 8.0, and a newer "GRADISTAT-PRO" currently under development. References to "v 9.1" may stem from the software's historical compatibility with older Excel versions (like Excel 2000, also known as version 9.0) or confusion with other statistical packages like STATISTICA 9.1. Key Features of GRADISTAT
The software was developed to handle data generated by traditional sieving methods as well as laser granulometry. It automatically calculates parameters such as: Sorting (Standard Deviation) Skewness Kurtosis Based on the proportion of gravel, sand, mud, silt, and clay
Automatically assigns textual sediment descriptions (such as "poorly sorted medium sand") using established geological nomenclature charts.
: Generates various visual data representations, including frequency curves , cumulative plots , and ternary diagrams (e.g., Sand-Silt-Clay plots). (Sieves, laser, or pipette
GRADISTAT v9.1 Free: The Definitive Grain Size Analysis Tool
The official KPAL website provides downloads for original versions and Version 8.0 (compatible with Excel 2000–2010).