Modeboxes

A modebox simply represents how the modal proportions of phases present in a rock (i.e. at fixed bulk composition) would vary along a path in pressure or temperature.

A simple modebox for an isobaric temperature segment.

This information can be acquired via pseudosection-type calculations along the desired path. We then provide various ways of plotting it:

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  • via the Mathematica script below
  • via THERMOCALC’s .csv output.