Shepard's Diagram

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Shepard's diagram is a ternary diagram where the components  A,B and C- (summing to 100%) are the percentages of sand, silt, and clay comprising a sediment sample.  In 1954 Shepard - in order to classify sediment samples,  divided a ternary diagram into ten classes in which can be seen as different colored areas in the ternary diagram

Fig. Shepard's diagram

Shepard's diagram

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