This script makes a ternary diagram for sand, silt and clay. The plot is based on Folk (1954), reference below.
This script is a modification of the TERNPLOT
script by Carl Sandrock (20020827), and the 'Schlee.m' written by Matt Arsenault.
NOTE: The plotted result may be screen dependent. If this happens, simply use the magnify tool to zoom in on the plot.
Modified by: Matt Arsenault 20060222
Folk, R.L., 1954. The distinction between grain size and mineral composition in sedimentary rock nomenclature. Journal of Geology 62 (4), 344-359.
TO RUN: Folk_S_Classification(Sand,Silt,Clay)