Excel spreadsheets provide many basic graphing facilities but lack common geological plots such as triangular diagrams and stereonets. These spreadsheets allow you to do those kinds of plots. Please feel free to use and modify them in any way you wish.
|Polar.xls||Plotting of data onto an equal area or equal angle plot.|
|Triangle.xls||Plotting of data onto a ternary diagram.|
|Decompact.xls||Decompaction algorithm for plotting subsidence history from well data on lithology and thickness.|