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Teaching Petrology in the 21st Century
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Petrology Activities and Examples Collection

This is a collection of educational resources used in igneous and metamorphic petrology courses. The collection includes lab exercises, classroom activities, problem sets and more. The purpose of this collection is to allow for the sharing of materials within the community of petrology teachers. You can



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Teaching Stable Isotope Geochemistry in an Undergraduate Petrology or Geochemistry Course part of Teaching Examples
Steve Dunn
This assignment includes three reading assignments for students that (1) introduce the basics of stable isotope geochemistry, (2) explain carbon and oxygen isotopic shifts that result from volatilization and/or ...

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Schreinemakers Analysis - Problem #3: Analysis of an Invariant Point part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a challenging Schreinemakers analysis problem.

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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 ...

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Introduction to Gibbs Energy part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a short project that can be used in-class or as homework. It involves just a few questions and it is intended to help students understand the idea of Gibbs free energy.

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Igneous Rock Compositions and Plate Tectonics part of Teaching Examples
Allen Glazner, University of North Carolina at Chapel Hill
In this exercise, students use whole-rock major- and trace-element compositions of igneous rocks from a variety of tectonic settings and locations to explore the importance of plate setting in determining magma ...

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Mass Balance and Mineral Reactions part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a short exercise to make sure that students understand mass balance and how the different starting assemblages may lead to different results after metamorphism. It is quick but not trivial.

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Schreinemakers Analysis - Problem #4 part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a straightforward Schreinemakers analysis involving two invariant points.

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T-X Phase Diagrams part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a 15 page tutorial and problem set designed to get students familiar with T-X diagrams, their implications, and uses.

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Scientific debate: Mantle plumes part of Cutting Edge:Deep Earth:Activities
Brennan Jordan, University of South Dakota
A structured format for a debate of the mantle plume hypothesis and alternative hypotheses with supporting materials.

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Deciphering complex fluid-mineral interactions in the palm of your hand part of Cutting Edge:Complex Systems:Teaching Activities
Barb Dutrow, Louisiana State University
This exercise uses polished rock slabs containing veins sealed by copper-bearing minerals to understand the feedback effects in complex fluid-rock systems. By determining the minerals and their relative timing, the ...

Compatibility Diagram 3: Fo-Tc-Etc part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
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.

Compatibility Diagram 2:Tc-En-Etc part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
One of three compatibility diagrams I use in class. This is a short activity that has students construct several compatibility diagrams in different fields on a phase diagram. This, in turn, can be followed by ...

Compatibility Diagram 1: Dsp-Py-Qz-Ka-H2O part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
One of three compatibility diagrams I use in class. This is a short activity to introduce students to compatibility diagrams (triangular diagrams showing stable assemblages) and how tie lines change when a reaction ...

Batch and Rayleigh Decarbonation Modeling of d13C part of Teaching Examples
Jade Star Lackey, Pomona College;
This is an Excel spreadsheet and graph that illustrates standard "batch" and Rayleigh decarbonation models and how they can be used to detect fluid infiltration during metamorphism of carbonates. It makes ...

Rb-Sr isotope in-class exercise part of Teaching Examples
Allen Glazner
This set of problems involves calculations of changes in radiogenic isotope ratios. It requires students to understand the concept of an isochron and how isotope ratios change (or do not change) during magma mixing ...

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