Feldspar Minerals and Triangle Diagrams part of Introductory Courses:Activities
Eileen Herrstrom, University of Illinois at Urbana-Champaign
This activity takes place in a laboratory setting and requires ~1.5-2 hours to complete. Students learn how to read a triangle or ternary diagram. They determine physical properties of feldspars and interpret two ...

Construction of a Korjinski Diagram part of Teach the Earth:Teaching Activities
Terri Woods, East Carolina University
An interactive powerpoint presentation walks students step-by-step through the process of generating a Korjinski diagram for the system K20-Al2O3-SiO2. Students will use the triangular diagram from the previous ...

Construction of a Triangular Stability Diagram part of Teach the Earth:Teaching Activities
Terri Woods, East Carolina University
An interactive powerpoint presentation walks students step-by-step through the process of generating a triangular diagram for the system K2O-Al2O3-SiO2. A Word document provides the thermodynamic data and ...

Creating a Partial Pressure Diagram for the Cu-CO2-O2-H2O System part of Teach the Earth:Teaching Activities
Terri Woods, East Carolina University
Students will be guided through the procedure for creating a partial-pressure diagram in the low-temperature system Cu-CO2-O2-H2O system for the minerals cuprite, tenorite, native copper, azurite, and malachite. ...

Freeze distillation of hard apple cider: A phase diagram demonstration part of Teach the Earth:Teaching Activities
William Peck, Colgate University
If you are lucky enough to teach Petrology in a part of the world with a cold winter, freeze distillation of hard apple cider works well as a class demonstration when the cider is frozen overnight outside. The slow ...

Collection of PT Phase diagram exercises part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
I am always needing more phase diagrams exercises so my students can practice problem solving. This collection includes 5 different exercises that can be used for homework, in-class, or for quizzes or exams.

Theriak-Domino Exercise part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This multidimensional project involves using several different computer programs to calculate and interpret phase diagrams and pseudosections. So, students learn lots of skills at the same time. But, an overarching ...

Modeling Exsolution (and Perthite Formation) as an Example of Complex-System Behavior part of Complex Systems:Teaching Activities
Dave Mogk, Montana State University-Bozeman; Barb Dutrow, Louisiana State University
Students use a physical model, computer simulation, examples from the natural world, visualizations, and overarching thought experiments to explore this phenomenon. Exsolution embodies attributes of a complex ...

Learning pseudosections with Perplex part of Teaching Examples
Dave Hirsch, Western Washington University
This is a set of five assignments that build upon each other to teach students how to use Perplex to make pseudosections.

Working with Electron Microprobe Data from a High Pressure Experiment - Calculating Mineral Formulas, Unit Cell Content, and Geothermometry part of Teaching Examples
Brandon Schwab, Western Carolina University
In this problem set students use electron microprobe analyses of a peridotite partial melting experiment to determine mineral formulas, calculate unit cell content, plot results on a classification diagram, and use ...

The use of visualization and sketches of thin sections to encourage a better understanding of phase diagrams: Binary and ternary phase diagram exercises part of Teaching Examples
Jennifer M. Wenner and Drew S. Coleman
In these homework exercises, students manipulate two- and three- component phase diagrams. At various points during their interpretation of melting or crystallization of a composition, they are asked to ...

Extending Mineralogy by Electron Microprobe Analysis part of Teaching Examples
John Goodge, University of Minnesota-Duluth
This lab is designed to be a highly interactive lab session for a petrology course, where instructors provide a minimal level of essential background and then the entire group works together to explore mineral ...

Calculating a Simple Phase Diagram: Diamond=Graphite part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a very short exercise designed to get students to understand how the Gibbs energy equation is used to calculate the location of a reaction in P-T space. I use it in-class and have students work on it in ...

Problem set: Constructing metamorphic phase diagrams using phase equilibria and the Clausius-Clapeyron equation part of Teaching Examples
, Smith College
In this problem set students construct a P-T phase diagram for the aluminosilicate polymorphs based on experimental phase equilibria and application of the Clausius-Clapeyron equation. The problem set uses unit ...

Calculating Compositional Variation and Common Substitutions for Igneous and Metamorphic Minerals part of Teaching Examples
Dave Mogk, Montana State University-Bozeman
This problem set uses Excel spreadsheets to calculate mineral formulae from analytical data (typically from the electron microprobe) using a variety of formulations that assume numerous variations of crystal ...