Geology 155/264 Metamorphism and Orogeny
In this class we will apply metamorphic petrology, geochronology, and structural geology, to understanding plate tectonics.
The format of the class includes lectures, journal paper presentations by students, optical microscopy, application of thermodynamics, and electron-probe microanalysis. Course content changes each year:
2008: High-Temperature Geochronology.
- Mass spectrometry
- Ion sources
- K/Ar & Ar/Ar
- Treatment of data
2006: High-Temperature Deformation.
- Review of Crystallography and Structural Geology
- Deformation Mechanisms: Overview
- Brittle Deformation and the BrittleDuctile Transition
- Dislocation Creep
- Rheology of Marble and Calcite
- Lattice Preferred Orientations of Marble and Calcite
- Dolomite Lattice Preferred Orientations
- Rheology of Quartz
- Quartz Lattice Preferred Orientations
- Rheology of Ultramafic rocks
- Olivine Lattice Preferred Orientations
- Rheology of Feldspar
- Plagioclase Lattice Preferred Orientations
- Rheology of Mafic Rocks
- Polyphase Rocks
- Partially Molten Rocks
- Grain Boundaries
- Grain-Growth Kinetics
- Dynamic Recrystallization
- Grain-Boundary Migration
- Superplasticity/Grain-Boundary Sliding
- Lattice Preferred Orientations, Fabric Asymmetry Overview
- Electron Back Scatter Diffraction
- Viscosity in Earth
- Stress in Earth/Paleopiezometry
- Point Defects, Diffusion
- Stress Solution/Diffusion Creep
- Deformation Regimes and Deformation Mechanism Maps
2003: Collisional Orogens.
- Defects in Crystals
- Density, buoyancy.
- Sierra Nevada.
- Tibet I.
- Tibet II.
2002: Thermodynamics and Thermobarometry.
2001: High-Temperature Deformation.
2000: Ultrahigh-Pressure Metamorphism, focus on Norway.
1999: Continent Collisions, focus on Tibet.
Prerequisites: Geology 14 and 102C or consent of instructor.
Description: Quantitative analysis of metamorphic rocks: thermodynamics of solids and fluids, mineral equilibria and thermobarometry, electron-probe microanalysis, plate tectonics and metamorphism, rheology, preferred orientations, electron-back-scatter diffraction, kinetics and mineral textures.
Professor: Dr. Bradley Hacker, Webb Hall Rm 2120, phone 893-7952. Office hours: anytime (send me mail if you want a specific time: firstname.lastname@example.org).
Lecture & discussion: Tues 1500-1800, Webb 1030A. Participation in both the lecture and lab is mandatory.
Lab: Tues 1830-2030, PSBS 2711. Participation in both the lecture and lab is mandatory.
Exams: Midterm exam: none. Final Exam: none.
Microtectonics by Passchier & Trouw is excellent.
Final Grade: Letter grades will be assigned according to participation in class and lab assignments.