Igneous Rock Compositions and Plate Tectonics part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
Allen Glazner and Kent Ratajeski Published July 28, 2005. Description In this exercise, students use whole-rock major- and trace-element compositions of igneous rocks from a variety of tectonic settings and ...

Part 1 - Download the data part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
In any step, click the 'Show me' link to reveal extra information. If you prefer a printout of the full set of instructions for this part, choose Print from the File menu. Before starting this exercise, ...

Teaching Notes part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
Context Audience: undergraduate- or graduate-level petrology course. Skills and concepts that students must have mastered: Basic knowledge of plate tectonic settings and processes of igneous differentiation is ...

Part 3- Graph the data part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
With your group only, compare the three localities of the same tectonic setting: Plot three variation diagrams including all the data from the three localities: (1) SiO2 (x-axis) vs. MgO (y-axis), (2) SiO2 vs. ...

Step-By-Step Instructions part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
The instructions for this exercise have 5 main parts. Click each part name to see the steps in that part. The instructions for this activity and the accompanying screenshots were developed using a Macintosh ...

Part 3 - Create a single Excel file containing the downloaded data part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
Step 1 - Open the data from the first downloaded file in Excel Start Excel, and open one of the downloaded files which should have a .csv extension. Save the file as a Microsoft Excel file by naming it ...

Part 4 - Compare samples from the same tectonic setting part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
With your group only, prepare a short (10 min.) group presentation on the results of your plots. Your presentation should include the following information: a description of your setting a short geologic ...

Part 5 - Compare samples from different tectonic settings part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
The last part of this exercise focuses on geochemical differences between the various plate tectonic settings. First, choose one of your three datasets (one that is fairly representative of your tectonic setting) ...