Geology 155/264 Metamorphism and Orogeny

Overview

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.
  1. Organization
  2. Mass spectrometry
  3. Ion sources
  4. Lu/Hf
  5. Sm/Nd
  6. U/Pb
  7. Th/Pb
  8. K/Ar & Ar/Ar
  9. Treatment of data
• 2006: High-Temperature Deformation. Lecture Notes
  1. Organization
  2. Review of Crystallography and Structural Geology
  3. Deformation Mechanisms: Overview
  4. Brittle Deformation and the Brittle­Ductile Transition
  5. Dislocation Creep
  6. Rheology of Marble and Calcite
  7. Lattice Preferred Orientations of Marble and Calcite
  8. Dolomite Lattice Preferred Orientations
  9. Rheology of Quartz
  10. Quartz Lattice Preferred Orientations
  11. Rheology of Ultramafic rocks
  12. Olivine Lattice Preferred Orientations
  13. Rheology of Feldspar
  14. Plagioclase Lattice Preferred Orientations
  15. Rheology of Mafic Rocks
  16. Polyphase Rocks
  17. Partially Molten Rocks
  18. Grain Boundaries
  19. Grain-Growth Kinetics
  20. Dynamic Recrystallization
  21. Grain-Boundary Migration
  22. Superplasticity/Grain-Boundary Sliding
  23. Lattice Preferred Orientations, Fabric Asymmetry Overview
  24. Electron Back Scatter Diffraction
  25. Deformation/Metamorphism
  26. Viscosity in Earth
  27. Stress in Earth/Paleopiezometry
  28. Point Defects, Diffusion
  29. Stress Solution/Diffusion Creep
  30. Deformation Regimes and Deformation Mechanism Maps
• 2003: Collisional Orogens.
  1. Organization.
  2. Defects in Crystals
  3. Density, buoyancy.
     • Reading: Cloos (1993)
     • Lecture: Lecture 1
     • Lab: Laboratory 1
  4. Oman.
     • Reading: Miller et al. (2002)
     • Lecture: Lecture 2
     • Lab: Laboratory 2
  5. Sierra Nevada.
     • Reading: Ducea & Saleeby (1996)
     • Lecture: Lecture 3
     • Lab: Laboratory 3
  6. Himalaya.
     • Reading: Jamieson et al. (2002)
     • Reading: Jamieson et al. (2002) color figures
     • Lecture: Lecture 4
     • Lab: Laboratory 4
  7. Tibet I.
     • Reading: Meyer et al. (1998)
     • Optional Reading: Tapponnier et al. (2001)
     • Lab: Laboratory 5
  8. Tibet II.
     • Reading: Chemenda et al. (2000)
     • Reading: England & Houseman (1988)
     • Lab: Laboratory 6
  9. Taiwan.
     • Reading: Suppe (1984)
     • Optional Reading: Suppe (1988)
     • Reading: Lin & Roecker (1998)
     • Lab: Laboratory 7
  10. Andes.
      • Reading: Kay et al (1994)
      • Optional Reading: Kay & Abruzzi (1996)
      • Reading: Beck & Zandt (2002)
      • Optional Reading: Allmendinger et al (1997)
      • Lab: Laboratory 8
  11. Alps.
      • Reading: Escher & Beaumont (1997)
      • Lab: Laboratory 9
• 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: hacker@geol.ucsb.edu).

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.

Textbook:
Microtectonics by Passchier & Trouw is excellent.

Final Grade: Letter grades will be assigned according to participation in class and lab assignments.