Thursday, April 17, 2014

Triangular plot.

ternary diagram plutonic igneous rockshttp://www.waterproofpaper.com/graph-paper/ternary-diagram-triangular-graph-paper.shtml

This plot displays points at the composition of 50% quartz, 40% alkali feldspar and 10% plagioclase. This qualifies as a triangular plot due to having three variables that sum to a constant. All three minerals sum to make the composition of granitoid. 

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