Schreinemakers Analysis - Problem #1: Analysis of an Invariant Point (Py-Sp-En-Sil-Cd)

Dexter Perkins

University of North Dakota

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This page first made public: Jan 21, 2008

Summary

This is a standard Schreinemakers problem: identifying the sequence of stable and metastable reactions around an invariant point.

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Context

Audience

I use this in my Petrology class as either an in-class exercise or as homework. It is NOT simple for some students and, so, may be best done in a group.

Skills and concepts that students must have mastered

They need to know the basic Schreinemakers process and logic.

How the activity is situated in the course

My petrology class is a studio class and so group activities and in-class work are key. This is one of many exercises the students do during the semester.

Goals

Content/concepts goals for this activity

The goal is to get them to (1) be able to do a Schreinemakers analysis, and (2) understand the significance of invariant points and stable/metastable equilibria.