Physical and Chemical Variations Along the Central American Volcanic Arc part of Integrating Research and Education:EarthChem:Central America Volcanoes
Kent Ratajeski Published June 13, 2007. Description The Central American volcanic arc displays large arc-parallel variations in chemical composition that yield important clues concerning the complex origin of ...

Part 1 - Download the data part of Integrating Research and Education:EarthChem:Central America Volcanoes
Download the data (Excel 2.1MB Jan22 25) which was obtained from Michael Carr's websiteat Rutgers University. Dr. Carr is a petrologist who has studied Central American volcanoes for many years. Open the file ...

Teaching notes part of Integrating Research and Education:EarthChem:Central America Volcanoes
Context Audience: undergraduate- or graduate-level petrology course Skills and concepts that students must have mastered: convergent plate tectonics (subduction zones) isostasy how to use Excel to manipulate data ...

Part 4 - Wrap up part of Integrating Research and Education:EarthChem:Central America Volcanoes
Hang on! You are almost done with this exercise... Making all those plots should have given you a better understanding for the geophysical and geochemical variations along the Central American volcanic arc. ...

Part 3 - Chemical trends part of Integrating Research and Education:EarthChem:Central America Volcanoes
Now you will assess the variation in whole-rock chemical composition among the Quaternary volcanoes of the Central American arc. The data from the downloaded Excel file are not perfectly unbiased (i.e., certain ...

Part 2 - Volcano morphologies part of Integrating Research and Education:EarthChem:Central America Volcanoes
Now you'll make a series of plots using the data from the downloaded Excel file which focus on the heights and volumes of the volcanoes along the Central American arc, and their relation to variations in ...