Compatibility Diagram 3: Fo-Tc-Etc
Summary
One of three compatibility diagrams I use in class. This is a bit more complicated than #1 and #2. It involves a projection from H2O and non-standard corners on the composition triangle.
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Context
Audience
Required Petrology class -- mostly junior level students
Skills and concepts that students must have mastered
Students need to be familiar with mineral reactions and their implications.
How the activity is situated in the course
This activity can be used to get students to think about compatibility diagrams in non-standard ways.
Goals
Content/concepts goals for this activity
Students learn how to draw a complex diagram that involves projections and non-standard components.
Higher order thinking skills goals for this activity
Other skills goals for this activity
Description of the activity/assignment
A 1-page in-class exercise on compatibility diagrams.
Determining whether students have met the goals
Teaching materials and tips
- Compatibility Diagram 3 Activity Description/Assignment (Acrobat (PDF) 77kB Nov9 09)
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