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Assessing the error of linear and planar field data using Fisher statistics part of Quantitative Skills:Activity Collection
Vince Cronin, Baylor University
Instruction on use of Fisher statistics to determine the mean and 95% confidence interval of geological vectors, lines or planes, with examples, problems and an Excel spreadsheet for computation.

The Floating Lithosphere - Isostasy part of Quantitative Skills:Activity Collection
Len Vacher, Dept of Geology, University of South Florida
Students are asked to numerically and then analytically determine the relations governing the depth of compensation.

Engaging Question part of Starting Point-Teaching Entry Level Geoscience:First Day of Class:Activities
Karl Wirth, Macalester College Course: Dynamic Earth and Global Change 20 students This activity serves a number of functions, including an introduction to the course, a learning prompt that can be revisited ...

Chemical Differentiation in the Palisades Sill part of Cutting Edge:Petrology:Teaching Examples
Matthew Gorring, Montclair State University
The purpose of this assignment is for students to synthesize field observations, petrography, and whole-rock chemical analyses in order to investigate chemical differentiation processes in a basaltic magma chamber. ...

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 ...

Properties of Rhyolite Magma part of Cutting Edge:Petrology:Teaching Examples
Barbara Nash
The purpose of the exercise is to acquaint igneous petrology students with properties of silicic magmas, and to emphasize the effect of water content on viscosity of silicic magmas. Students have to determine the ...

Flow of Andesite Lava part of Cutting Edge:Petrology:Teaching Examples
Barbara Nash
The purpose of the exercise is to familiarize igneous petrology students with flow properties of lava, especially viscosity, and to have them consider effects on viscosity due to temperature, crystallinity and ...

Application of Sr Isotopic Data to Tuolumne Intrusive Series, Sierra Nevada, CA part of Cutting Edge:Petrology:Teaching Examples
Jeff Tepper, University of Puget Sound
In this problem set students are given Rb/Sr and 87Sr/86Sr data for whole rock and mineral samples from three granitic intrusions in the Sierra Nevada. They use these data (in EXCEL) to calculate isochron ages and ...

Thermobarometry Problem Set part of Cutting Edge:Petrology: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 ...