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. ...

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 ...

Calculating Compositional Variation and Common Substitutions for Igneous and Metamorphic Minerals part of Petrology: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 ...

Research Project for Mineralogy part of Activities
Wendy Panero, Ohio State University-Main Campus
The assignment allows for open ended exploration of a topic of interest in geosciences in which one or more mineral's chemistry and/or crystal structure is significant to understanding that geoscience problem. ...

Phase Diagrams part of Activities
Joseph Smyth, University of Colorado at Boulder
Students are given a simplified temperature-composition phase diagram for the system enstatite (Mg2Si2O6) - diopside (CaMgSi2O6), and asked to interpret it by answering a series of questions.

Guided Discovery and Scoring Rubric for Petrographic Analysis of a Thin Section part of Metacognition:Activities
Dave Mogk, Montana State University-Bozeman
A guided discovery approach is used to "unpack" the methods and observations used by "master" petrographers in the petrographic analysis of a thin section. A series of spread sheets are used to ...

Plotting Compositions in 2-D and 3-D Space part of Petrology:Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a fairly short exercise that can be used for an in-class cooperative learning project or as homework. It includes LOTS of explanation and so is sort of a tutorial. I use it in my petrology class because it ...

Mole %, Weight %, Compositions and Projections part of Petrology:Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is an introductory exercise intended to get students thinking about mole vs weight % and about the power and problems of projections.

Crystallization and Melting of Diopside - Anorthite part of Activities
Dexter Perkins, University of North Dakota-Main Campus
This short exercise introduces students to the binary phase diagram in the diopside-anorthite system that contains a eutectic invariant point.

Short Readings from the American Mineralogist: Sneaky Tools for Teaching Scientific Reading Comprehension and Mineralogical Concepts part of Activities
Kurt Hollocher, Union College- New York
This activity uses short, well-written articles to enhance teaching for a mineralogy course. Articles are taken from the American Mineralogist journal.

Phase Fun With Feldspars: Simple Experiments to Change Chemical Composition, State of Order, and Crystal System part of Activities
, Lafayette College
Students will use X-ray diffraction to determine the composition of an "unknown" feldspar and then perform experiments to change the phase and composition of the feldspar.

Heat Capacity of Minerals: A Hands-On Introduction to Chemical Thermodynamics part of Activities
David Bailey, Hamilton College
Minerals are inorganic chemical compounds with a wide range of physical and chemical properties. Geologists frequently measure and observe properties such as hardness, specific gravity, color, etc. Unfortunately, ...

Plagioclase Phase Diagram part of Activities
Dexter Perkins, University of North Dakota-Main Campus
This short exercise involves the binary plagioclase "two-phase loop" phase diagram.

Synthetic Alkali Halides part of Activities
Dexter Perkins, University of North Dakota-Main Campus
This is a complex experimental investigation of the melting of alkali halides. This project takes more than one class and involves using an X-ray diffractometer.

Reagents, Compositions, Weight Loss part of Activities
Dexter Perkins, University of North Dakota-Main Campus
This is a short experimental study of several different reagents and what happens to them when they are heated to 110° and 1200° C.