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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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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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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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Introduction to Mineral Equilibria part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This activity features a short problem set to be used in class. It helps focus the discussion, while providing a starting point for an introduction to mineral reactions and phase diagrams.

Interpreting T-X Diagrams part of Teaching Examples
Dexter Perkins, University of North Dakota-Main Campus
This exercise is designed to help students learn how to interpret T-X phase diagrams. It also introduces them to the systematics of reactions involving a group of minerals.

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 ...

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 ...

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 ...

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 ...

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 ...

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.

Learning Thermodynamics and Using Spreadsheets part of Teaching Examples
Sumit Chakraborty and Somnath Dasgupta
These files contain a set of three Excel files to balance mineral reactions, to explore variation of thermodynamic properties as a function of P, T and composition and to explore stability of different mineral ...

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