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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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Subject: Igneous and Metamorphic Petrology

showing only Geoscience > Geology > Igneous and Metamorphic Petrology > PTt Relationships Show all Subject: Igneous and Metamorphic Petrology

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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 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 ...

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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.

On the Cutting Edge Exemplary Collection This activity is part of the On the Cutting Edge Exemplary Teaching Activities collection.
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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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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 ...

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 ...

Major Element Control Presentation part of Teaching Examples
Kurt Hollocher, Union College (Lincoln, NE)
The presentation is an introduction to the control of magma chemical compositions by the fractionation of crystallizing phases. It is followed by a lab exercise where students interpret volcanic rock petrology and ...

Thermobarometry Problem Set part of Teaching Examples
Jane Selverstone
This homework assignment gives students first-hand experience with thermobarometric calculations. Because many of my students are math challenged, I give them a choice of solving the equations by hand or with ...

Phase Diagrams and Chemographic Projections part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This exercise is a good way to get students thinking about the phase rule, metastable and stable reactions and phase diagrams. It can be done in class or as homework.

Schrinemaker Analysis - Problem #1: Analysis of an Invariant Point part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a standard Schreinemakers problem: identifying the sequence of stable and metastable reactions around an invariant point.

Schreinemakers Analysis - Problem #2: Analysis of an Invariant Point with Application of the Clausius-Clapeyron Equation part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This is a standard Schreinemakers problem: identifying the sequence of stable and metastable reactions around an invariant point. The added wrinkle is that they use the Clausius-Clapeyron Equation to calculate ...

Metastability during metamorphism (reading a metamorphic petrology paper from the literature) part of Teaching Examples
William Peck, Colgate University
I use this problem set as a way to introduce students (mostly sophomores) to reading a technical article from the literature. The paper is Austrheim, H, 1987, Eclogitization of lower crustal granulites by fluid ...

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