The triangular plot graphically depicts the ratios of the three variables as positions in an equilateral triangle. It is mostly used in geologic studies like in the map above. The proportions of these three variables must sum up to a constant for this to be able to be represented accurately. The variables of sand and clay are composed in the data with silt as the third percentage. Changing the variables on each side of the triangle would change the results of each figure.
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