Teach the Earth > Petrology > Teaching Activities > Simple Eutectic Exercise: Diopside-Anorthite

Simple Eutectic Exercise: Diopside-Anorthite

Dexter Perkins
University of North Dakota
Author Profile

This activity was selected for the On the Cutting Edge Reviewed Teaching Collection

This activity has received positive reviews in a peer review process involving five review categories. The five categories included in the process are

  • Scientific Accuracy
  • Alignment of Learning Goals, Activities, and Assessments
  • Pedagogic Effectiveness
  • Robustness (usability and dependability of all components)
  • Completeness of the ActivitySheet web page

For more information about the peer review process itself, please see http://serc.carleton.edu/NAGTWorkshops/review.html.

This page first made public: Jun 9, 2008


This exercise can be done in-class (I use it as a group activity) or as homework. It is a quick way to get students to figure out how to use and interpret simple eutectic diagrams.

Used this activity? Share your experiences and modifications



This exercise is designed for a sophomore or junior level required undergraduate course in petrology.

Skills and concepts that students must have mastered

Students should have a basic understanding of how to use a eutectic diagram.

How the activity is situated in the course

This activity is a stand-alone exercise.


Content/concepts goals for this activity

The goals of this activity are to have students use and interpret simple eutectic diagrams.

Higher order thinking skills goals for this activity

This activity involves data analysis.

Other skills goals for this activity

Description of the activity/assignment

This is a short exercise that tests student's knowledge of interpreting eutectic diagrams. The handout provides diagrams with questions to test students' comprehension of the diagrams.

Determining whether students have met the goals

Students have met the goals of this activity if they are able to answer the embedded questions completely and accurately.

More information about assessment tools and techniques.

Download teaching materials and tips

Other Materials

New TTE Logo Small

Petrology resources from across Teach the Earth »

Petrology resources from Teach the Earth include:

Specialized collections including

or search