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9 November 2010

Ternary Personalities

Ternary personality diagram of Dartmouth 2005 field camp (“The Stretch”) members. Ternary diagrams are frequently used by geologists to classify rocks. A ternary diagram is a triangle that has three end-member compositions A, B, and C at the points. Rocks identified using such a diagram are plotted in terms of their proportions of A, B, and C. Depending on where the rock falls on the diagram, it will have a …