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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 57 matches

Determining Mantle Temperature and Composition from Discontinuities part of Cutting Edge:Deep Earth:Activities
Anna Courtier, James Madison University
This pair of activities uses observations of mantle discontinuity structure to examine mantle heterogeneity and differences in the depth extent of melt sources for ridges and "hotspots." The first ...

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Teaching Stable Isotope Geochemistry in an Undergraduate Petrology or Geochemistry Course part of Cutting Edge:Petrology: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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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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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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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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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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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 ...

An In-Class Demonstration and Activity Using the FCAEM Remotely Operable Electron Microprobe part of Activities
Jeff Ryan, University of South Florida
This activity takes advantage of the full remote operation capabilities of the electron microprobe system available through the Florida Center for Analytical Electron Microscopy (FCAEM) at Florida International ...

Batch and Rayleigh Decarbonation Modeling of d13C part of Cutting Edge:Petrology: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 Cutting Edge:Petrology: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 Cutting Edge:Petrology: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 ...

Temperature/Salinity/Density activity part of Cutting Edge:Introductory Courses:Activities
Petra Dekens, San Francisco State University
This is an in-class activity designed to improve the students' understanding of the relationships between temperature and density, salinity and density, and density differences in driving vertical water ...

Teaching the nitrogen cycle and human health interactions part of Cutting Edge:Geology and Human Health:Workshop 04:Activities
Margaret Townsend, University of Kansas Main Campus
This activity uses objects, pictures, and text in a matching game to define the nitrogen cycle and the environmental and human health impacts of nitrogen. The game can be used to associate useful and detrimental ...

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Learning Thermodynamics and Using Spreadsheets part of Cutting Edge:Petrology: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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