Part 2 - Test the age correction part of Integrating Research and Education:EarthChem:Mafic Rocks
Will the difference between the initial and measured isotopic ratios be negligible for the samples in our dataset? We need to test this assumption before proceeding further. In order to do this, you will search ...

Sr Isotopic Compositions of Mafic Volcanic Rocks, Western United States part of Integrating Research and Education:EarthChem:Mafic Rocks
Kent Ratajesk Published June 30, 2006. Description In this exercise, students use whole-rock Sr isotopic compositions of volcanic rocks in the western United States to explore variability in mantle sources. The ...

Introduction part of Integrating Research and Education:EarthChem:Mafic Rocks
The origin of volcanism in the western United States has been a topic of considerable research interest for many years. Isotopic data have provided some of the most important information used to test petrogenetic ...

Teaching notes part of Integrating Research and Education:EarthChem:Mafic Rocks
Context Audience: undergraduate- or graduate-level petrology or isotope geochemistry course. Skills and concepts that students must have mastered: The students should be familar with the theory and practice of ...

Part 3 - Analyze the data part of Integrating Research and Education:EarthChem:Mafic Rocks
This part of the exercise consists of a series of activites to complete using the dataset of young mafic volcanic rocks you obtained from NAVDAT. Please work through the questions in order. Additional instructions ...

Step-by-step instructions part of Integrating Research and Education:EarthChem:Mafic Rocks
The instructions for this exercise have 5 main parts. Click each part name to see the steps in that part. Part 1 - Download the data Use the NAVDAT database to download and save isotopic data from young mafic ...

Part 1 - Download the data part of Integrating Research and Education:EarthChem:Mafic Rocks
If you prefer a printout of these instructions, choose Print from the File menu. Go to the NAVDAT database and click on the "Database" link. SET the following constraints for your query: Age: 0-5 Ma ...

Wrap-up part of Integrating Research and Education:EarthChem:Mafic Rocks
In the course of this exercise, you have learned about the spatial and isotopic variations within the most recent mafic volcanic activity to have affected the western United States. You have discovered that ...

Interpret the data part of Integrating Research and Education:EarthChem:Mafic Rocks
Now you put it all together! Causes of the spatial variations Question 7. What are some possible or likely causes for the non-random spatial distribution of the volcanic rocks in the western U.S., particularly the ...