It automatically solves for Sample Mean, Mode(s), Standard Deviation (Sorting), Skewness, and Kurtosis. Percentile Data: It extracts critical d-values including D10cap D sub 10 D50cap D sub 50 (median), and D90cap D sub 90 used widely in engineering and engineering geology.
Whether you are studying coastal sediment dynamics or atmospheric dust provenance, GRADISTAT v9.1 remains an essential tool for turning raw measurements into meaningful scientific data.
This article serves three purposes:
: Click the "Calculate Statistics" button. The program will generate a full summary on the "Multiple Sample Statistics" sheet. gradistat v 91 link
GRADISTAT is heavily used in environmental and geological studies to classify sedimentary environments. For example, it has been used to: Analyze coastal samples to identify liquefaction features.
The official software for rapid grain size calculation is , a highly popular Microsoft Excel-based program developed by Dr. Simon Blott. The current official repositories and distribution channels offer versions up to version 8.0 and its subsequent maintenance builds via Kenneth Pye Associates Ltd (KPAL) and academic repositories like Zenodo .
GRADISTAT v9.1: Your Guide to Particle Size Analysis Software It automatically solves for Sample Mean, Mode(s), Standard
: Automatically calculates Mean, Sorting, Skewness, and Kurtosis using both Folk & Ward and Moment methods. Visual Ready
GRADISTAT is a particle size analysis software package that runs directly within Microsoft Excel. It offers a rapid method for calculating statistics, such as mean grain size, sorting, skewness, and kurtosis. Key features of the software include:
Once you have downloaded the program and linked it via the , it operates as an Excel macro file (often .xls or .xlsm ). Basic Steps: This article serves three purposes: : Click the
: For users seeking more modern automation beyond Excel, the G2Sd package on CRAN is an evolution of the GRADISTAT v4.0 macro. Getting Started Guide 1. Data Preparation
Input the (optional, useful if tracking pan loss). 3. Populating Granulometric Ranges
: Automatically generates frequency plots, cumulative distribution curves, and ternary diagrams (e.g., Gravel-Sand-Mud) .
is a fundamental tool in the geosciences, turning the tedious task of grain size analysis into a rapid, automated, and error-free process. Its integration with Microsoft Excel makes it accessible to any researcher with a computer. By using the official download link provided in this article, you can ensure you are using a legitimate, secure, and fully functional copy of this indispensable sedimentology software.
): The sharpness or flatness of the distribution curve peak. Instant indexing for D10cap D sub 10 D50cap D sub 50 (median), and D90cap D sub 90 Technical Specifications: Comparing Methods