Effects of Pressure and Temperature on Igneous Rocks CogSketch geoscience worksheet part of Introductory Courses:Activities
Bridget Garnier
Sketching activity that uses a sketch-understanding program, CogSketch. Using pressure/temperature charts with a solidus line, students draw arrows to show how the pressure and temperature and state of a rock would ...

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 ...

Peritectic Phase Diagram part of Petrology:Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
An exercise to help students figure out what is going on with peritectic phase diagrams. It is NOT trivial.

Viscosity experiments: physical controls and implications for volcanic hazards part of Petrology:Teaching Examples
Ben Edwards, Dickinson College
This activity is a laboratory-style exercise that involves investigating the physical controls on viscosity by pouring different syrup mixtures down an inclined plane and using Jeffreys equation to calculate ...

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 Petrology: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 ...

Using An M&M Magma Chamber To Illustrate Magmatic Differentiation part of Petrology:Teaching Examples
Karl Wirth, Macalester College
Fractional crystallization by gravity settling can be illustrated using a model magma chamber consisting of M&M's®. In this model, each major cation (e.g., Si, Ti, Al, Fe, Mg, Ca, Na, K) is ...

Weathering of Igneous, Metamorphic, and Sedimentary Rocks in a Semi-Arid Climate - An Engineering Application of Petrology part of Petrology:Teaching Examples
Wendy Harrison, National Science Foundation; Ric Wendlandt, Colorado School of Mines
Students examine soils developed on igneous, metamorphic, and sedimentary rocks near Denver, Colorado. The 2-week exercise includes sample collection, description, and preparation, determining clay mineralogy by ...

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 ...

Fractional Crystallization of an M&M Magma Chamber Modified for Large Courses part of Earth Educators Rendezvous:Previous Rendezvous:Rendezvous 2017:Program:Teaching Demonstrations:Tuesday B
Euan Mitchell, Miami University-Oxford
This activity is a modification of the existing SERC activity "Using an M&M® Magma Chamber to Illustrate Magmatic Differentiation." The modification makes the activity more suitable for use in large ...

When and How Did Continental Crust Form? part of Petrology:Teaching Examples
Dave Mogk, Montana State University-Bozeman
Many models have been proposed regarding the timing and mechanisms that first formed the continental crust. The purpose of this exercise is to help students explore the question of crustal genesis and evolution ...