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Geochemistry Activities

Stream sampling in the Animas River
USGS photo

This collection of activities can be used in geochemistry courses. The collection includes lab exercises, classroom activities, problem sets and more. The materials below are sorted by topic, and may be listed under more than one topic. Help us expand the collection by contributing your favorite teaching activity.



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Results 1 - 15 of 143 matches

Igneous Rock Compositions and Plate Tectonics part of Cutting Edge:Petrology: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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Constraints and Implications of Groundwater Temperature on the Formation of Mississippi Valley-type Zn-Pb Deposits part of Cutting Edge:Hydrogeology:Activities
Martin Appold, University of Missouri-Columbia
This assignment illustrates the role of groundwater in transporting heat and its implications for the formation of hydrothermal ore deposits. The assignment uses a combination of graphs and algebraic equations that ...

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Sediments and the Global Carbon Cycle part of Cutting Edge:Sedimentary Geology:Activities
Lonnie Leithold, North Carolina State University at Raleigh
This is a series of exercises designed to introduce undergraduate students to the role of sediments and sedimentary rocks in the global carbon cycle and the use of stable carbon isotopes to reconstruct ancient ...

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Petrography and Petrogenesis of a Mid-Ocean Ridge Lava Suite part of Cutting Edge:Petrology:Teaching Examples
Matthew Smith, University of Florida; Mike Perfit, University of Florida
This activity is designed to accompany a set of thin sections available from the authors. Students investigate mid-ocean ride basalt petrography and relate observed mineralogic changes to relevant phase diagrams ...

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Schreinemakers Analysis - Problem #4 part of Cutting Edge:Petrology: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 Cutting Edge:Petrology: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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Calculating Compositional Variation and Common Substitutions for Igneous and Metamorphic Minerals part of Cutting Edge: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 ...

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Heat Capacity of Minerals: A Hands-On Introduction to Chemical Thermodynamics part of Cutting Edge:Mineralogy: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, ...

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Using Dynamic Digital Maps to Teach Petrology part of Cutting Edge:Petrology:Teaching Examples
Christopher D. Condit
In this session we will examine how to utilize Dynamic Digital Maps (DDMs) in undergraduate petrology courses to bring inaccessible and exciting volcanic field areas to the students in the classroom and to engage ...

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Problem set: Constructing metamorphic phase diagrams using phase equilibria and the Clausius-Clapeyron equation part of Cutting Edge:Petrology:Teaching Examples
Mark Brandriss
In this problem set students construct a P-T phase diagram for the aluminosilicate polymorphs based on experimental phase equilibria and application of the Clausius-Clapeyron equation. The problem set uses unit ...

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Timing of mineralization in the palm of your hand: Cross-cutting relations, copper minerals and ore-forming hydrothermal fluid evolution part of Cutting Edge:Petrology:Teaching Examples
Barb Dutrow, Louisiana State University
This lab is designed to familiarize students with the geologic history of an ore-deposit, deciphered in the palm of your hand. By determining cross cutting relations of veins and mineralogy, students decipher the ...

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Weathering of Igneous, Metamorphic, and Sedimentary Rocks in a Semi-Arid Climate - An Engineering Application of Petrology part of Cutting Edge: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 ...

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Calculating a Simple Phase Diagram: Diamond=Graphite part of Cutting Edge:Petrology: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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Extending Mineralogy by Electron Microprobe Analysis part of Cutting Edge:Petrology:Teaching Examples
John Goodge, University of Minnesota-Duluth
This lab is designed to be a highly interactive lab session for a petrology course, where instructors provide a minimal level of essential background and then the entire group works together to explore mineral ...

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Working with Electron Microprobe Data from a High Pressure Experiment - Calculating Mineral Formulas, Unit Cell Content, and Geothermometry part of Cutting Edge:Petrology:Teaching Examples
Brandon Schwab, Humboldt State University
In this problem set students use electron microprobe analyses of a peridotite partial melting experiment to determine mineral formulas, calculate unit cell content, plot results on a classification diagram, and use ...

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