Jane Selverstone

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Earth and Planetary Sciences
University of New Mexico-Main Campus

Materials Contributed through SERC-hosted Projects

Activities (3)

Homework on Volcanic Rock Chemistry and Binary Phase Diagrams part of Cutting Edge:Petrology:Teaching Examples
This homework has 2 main parts: In the first part, students are given bulk compositions for 6 volcanic rocks and asked to classify them, think about their normative compositions, and given likely tectonic settings for three of them. In the second part, they work with a complex binary phase diagram. In this part, they must think about components vs. phases, the lever rule, behavior at a peritectic point, and fractional removal of a phase.

Progressive metamorphism of pelitic rocks: A lab assignment to facilitate translation from AFM space to P-T space part of Cutting Edge:Petrology:Teaching Examples
This is an example of a lab activity aimed at teaching students how to go from natural samples to AFM diagrams to P-T conditions of equilibration.

Homework on Stoke's Law and Magmatic Differentiation part of Cutting Edge:Petrology:Teaching Examples
This homework has two parts. In the first part, the students use Stoke's Law to determine (a) the relative sizes of olivine and plagioclase settling at the same velocity (and relate their answer to observations made on cumulate rocks in the lab, (b) the length of time it would take a xenolith-bearing basalt on Hawaii to reach the surface, and (c) to realize that pumice landing on seawater will float, not sink! In part 2, the students fill out a worksheet to see the effects of simultaneous fractional crystallization of olivine, clinopyroxene, and plagioclase on residual melt composition, and then determine whether the melt follows a tholeiitic or calcalkaline trend.

Other Contribution

Petrology Knowledge Survey part of Cutting Edge:Petrology:Teaching Examples
This knowledge survey, given three times during a semester, allows students to track their own learning of petrologic material and also serves as a useful study guide.


Events and Communities

Teaching Petrology Participants: Presenter