Donna Whitney

Calculating Pressures and Temperatures of Petrologic Events: Geothermobarometry part of Petrology:Teaching Examples
In this lab exercise, students examine one or more metamorphic rocks and use various approaches to estimating and calculating the pressure-temperature conditions at which the rocks equilibrated. The exercise ...

Field Guide to the Dutchess County, NY, Barrovian Sequence part of Petrology:Teaching Examples
This is a field guide used for a field trip to explore the Barrovian sequence in Dutchess County, NY.

Subduction Metamorphism part of Teach the Earth:Teaching Activities
This activity uses images of rocks and thin sections, including photomicrographs (still images, videos), thin section scans, element maps, BSE images, and hand sample photos, to guide students in an examination of ...

Introductory Graduate Seminar part of Teach the Earth:Courses
This is a course for first-semester graduate students, with the following aims: (1) introduce the varied research being done by different groups in the department; (2) help new grad students develop and strengthen ...

"Classical" Thermobarometry part of Integrating Research and Education:Teaching Phase Equilibria
Donna Whitney, University of Minnesota Thermobarometry is the quantitative determination of the temperature and pressure at which a metamorphic or igneous rock reached chemical equilibrium. The term ...

P-T-t Paths part of Integrating Research and Education:Teaching Phase Equilibria
Donna Whitney, University of Minnesota What is a P-T-t path? Metamorphism is a dynamic process, involving changes in temperature ± pressure through time. The pressure (P) - temperature (T) - time (t) path of ...