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.

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 ...

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 ...

"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 ...