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Soil textual triangle
Picture below (Figure 1): Properties of soil ternary phase diagram (CHEMIX School screen shot)
Axis consisting of three sedimentary elements : A = clay , B= sand and C= silt .
Example from property of soils ternary phase diagram: (20% Clay , 40% Sand , 40% Silt ) = Loam
Sand : A sedimentary material with grains between
0.06 and 2.0 millimeters in diameter.
Silt : A sedimentary material consisting of very fine particles between 0.002 - 0.06 millimeters in diameter.
Clay : A sedimentary material with grains smaller than 0.002 millimeters in diameter
Loam: Soil composed of a mixture of sand, clay, silt, and organic matter
Fig. 1 Property of soils ternary phase diagram ( Soil textual triangle )
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