Differentiation and Discrimination of Big Bend Ranch State Park Igneous Rocks
Linda Lee Davis
, Northern Illinois University
Author ProfileSummary
I give the students analyses from work that I did with Chris Henry on the Bofecillos Mountains and the Solitario. (Tertiary Volcanism of the Bofecillos Mountains and Big Bend Ranch State Park, Texas: Revised Stratigraphy and 40Ar/39Ar Geochronology, by C. D. Henry, L. L. Davis, M. J. Kunk, and W. C. McIntosh. 74 p., 24 figs., 3 tables, 2 apps., 1 map, 1998. RI0253, .00) I then have them plot the data every which way but loose and see if they can pick out trends...if they do their reading they will know that the lavas/tuffs come from very different centers and that there are varying ages...
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Context
Audience
This activity would be used in an undergraduate (sophomore or junior level) required course in petrology.
Skills and concepts that students must have mastered
How the activity is situated in the course
This is a stand-alone exercise.
Goals
Content/concepts goals for this activity
Higher order thinking skills goals for this activity
This activity involves the analysis of data.
Other skills goals for this activity
This activity may involve group work.
Description of the activity/assignment
I give the students analyses from work that I did with Chris Henry on the Bofecillos Mountains and the Solitario. (Tertiary Volcanism of the Bofecillos Mountains and Big Bend Ranch State Park, Texas: Revised Stratigraphy and 40Ar/39Ar Geochronology, by C. D. Henry, L. L. Davis, M. J. Kunk, and W. C. McIntosh. 74 p., 24 figs., 3 tables, 2 apps., 1 map, 1998. RI0253, .00) I then have them plot the data every which way but loose and see if they can pick out trends...if they do their reading they will know that the lavas/tuffs come from very different centers and that there are varying ages...
Determining whether students have met the goals
Teaching materials and tips
Other Materials
- raw compositional data from BBRSP in Texas (Excel 37kB Jul3 03)