Unit convenor and teaching staff |
Unit convenor and teaching staff
Co-convener
Nathan Daczko
Contact via nathan.daczko@mq.edu.au
E7A509
Unit Convenor
Sandra Piazolo
Contact via sandra.piazolo@mq.edu.au
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Credit points |
Credit points
4
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Prerequisites |
Prerequisites
Admission to MRes and GEOS207
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Corequisites |
Corequisites
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Co-badged status |
Co-badged status
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Unit description |
Unit description
This course aims to give the student an in-depth knowledge of how to document, analyse and interpret microstructures in thin section with special emphasis on deformation and metamorphic microstructures. In addition, it gives an overview over the rheological behaviour of different minerals at variable conditions and provides the link between microstructure and rheology. Furthermore, the student will learn to recognize equilibrium and non-equilibrium metamorphic microstructures and calculate PT conditions from mineral chemistry data. The course comprises lectures, practicals and directed reading, which form the basis for two assessable oral presentations, and two individual projects.
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Information about important academic dates including deadlines for withdrawing from units are available at https://www.mq.edu.au/study/calendar-of-dates
On successful completion of this unit, you will be able to:
Name | Weighting | Due |
---|---|---|
Thinsection Description I | 15% | April 12th |
Thinsection Description II | 15% | April 12th |
Pseudosections | 20% | 29 April 2014 |
Project | 50% | 13 May 2014 |
Due: April 12th
Weighting: 15%
These will be small topic-based presentations 5-10 min on initial practical work describing microstructures and their interpretation.
Due: April 12th
Weighting: 15%
These will be small topic-based presentations 5-10 min on second part of practical work.
Due: 29 April 2014
Weighting: 20%
Presentation of calculated Pseudosections which is part of the Thermodynamics Part of the course
Due: 13 May 2014
Weighting: 50%
Each student will undertake a detailed analysis (image analysis, chemical analysis, EBSD etc.) of one to two thinsections. Each student will write a report about the findings of the analysis and give a presentation of those findings in form of a scientific paper. This could be also a “warm-up” for a potential Masters Project (year 2 of MRes)
Textbook, Webpages and Technology Used.
The textbooks for the unit are
A Practical Guide to Rock Microstructure. Vernon, R.H. 2004.
Microtectonics. Passchier & Trouw, 2005.
Rheology of the Earth. Ranalli, G., 1995.
Metamorphic phase modeling software - Thermocalc: http://www.metamorph.geo.uni-mainz.de/thermocalc/
Elle Microstructure Modelling software - http://www.materialsknowledge.org/elle/
Deformation Microstructure Course - http://virtualexplorer.com.au/special/meansvolume/contribs/jessell/index.html
Image Analysis Program (for Mac) NIH Image - http://rsb.info.nih.gov/nih-image/about.html
Image Analysis Program (for PC) Image J - http://rsb.info.nih.gov/ij/
Microstructures to Plate tectonics: S Piazolo and N. Daczko | ||||||
Date | Weekday | Time | Location | Lectures (all recorded in 2013) *Listen to recorded lecture only (no live performance) | Practicals / Laboratory work | Readings / Online EBSD course / Online Thermocalc course |
2-Mar | Mo | 2.00-4.00 | E5A 210 | SPLect 1a: Intro to Rheology | Ranalli: chapter 1, chapter 2, chapter 3 | |
5-Mar | Thurs | 9.00-11.00 | E5A 210 | SPLect 1b: The atomic basis for deformation mechanisms | Ranalli: chapter 9.1&9.3, Passchier and Trouw | |
12.00-2.00 | SPLect 2a &: Rheology concepts II & Annealing mechansims, Dynamic recrystallization, and dislocation creep | Ranalli: Passchier and Trouw, chapter 1- 3, 9.1&9.4 | ||||
9-Mar | Mo | 2.00-4.00 | E5A 210 | Optical Microscopy (microstructures), Exercise 1 (paper), Define first presentation topics | ||
4.00-5.00 | *NDLect 1: How the microscope works | |||||
12-Mar | Thurs | 9.00-10.00 | E5A 210 | SPLect 3a: Rheology Concepts III | Ranalli: chapter 9.1&9.3 | |
10.00-11.00 | E5A 210 | *SPLect 3b: shear sense indictators, CPO | Passchier and Trouw 4.13, 5 | |||
11.00-2.00 | E5A 210 | Optical Microscopy (microstructures), Exercise 2 (paper), First presentations (5 min) | ||||
16-Mar | Mo | 2.00-4.00 | E5A 210 | SPLect 4a & 4b: Rheology Concepts IV - diffusion, metamorphism and deformation | Passchier and Trouw | |
4.00-5.00 | E5A 210 | Optical Microscopy (microstructures), Exercise 3 (paper), Define second presentation topics | ||||
19-Mar | Thurs | 9.00-11.00 | E5A 210 | SPLect 5: Rheology Concepts V (summary) - dissolution precipitation, fringes, veins | Passchier and Trouw | |
11.00-2.00 | E5A 210 | Optical Microscopy (microstructures), Second presentations (5 min) | ||||
23-Mar | Mo | 2.00-3.00 | E5A 210 | Discuss SEM/EBSD/Thermocalc Projects, install EBSD program (BRING laptops to install program) | ||
3.00-5.00 | E5A 210 | *SPLect 6A/B/C: Bringing it all together & deformation mechanisms in different minerals, gb hierarchy | Passchier and Trouw | |||
26-Mar | Thurs | 9.00-11.00 | E5A 210 | Optical Microscopy (microstructures) | Passchier and Trouw | |
11.00-2.00 | E5A 210 | EBSD course | EBSD & Thermocalc courses; Questions about projects | |||
28th March - 25th April | Sandra away | |||||
30-Mar | Mo | 2.00-5.00 | E5A 210 | EBSD course (to be handed in 6th April - to Nathan) | ||
2-Apr | Thurs | 9.00-10.00 | E5A 210 | *NDLect 2: Mineral assemblages, phase diagrams, P-T grids, pseudosections and compatibility diagrams | Powell, 1978: Chapters 1 & 2 | |
10:00-11:00 | E5A 210 | *NDLect 3: Changes to mineral assemblages, modes and mineral chemistry | Powell, R. & Holland, T.J.B., 2008. On thermobarometry. Journal of Metamorphic Geology, 26, 155–179. | |||
11.00-2.00 | E5A 210 | *NDLect 4: Heterogeneity in metamorphic rocks, equilibrium volume and reaction textures | Define Third presentation (10 min Thermocalc) | EBSD & Thermocalc courses; Questions about projects | ||
6-Apr | Mo | 2.00-3.00 | E5A 210 | *SPLect 7: TechniquesI I: Numerical Simulations - overview and ELLE | ||
3.00-5.00 | E5A 210 | *SPLect 8: Techniques II: Analog Modelling and Image analysis (SPO) | Finish Optical Microscopy (microstructures) | Passchier and Trouw | ||
9-Apr | Thurs | 9.00-11.00 | E5A 210 | Thermocalc Practical | Holland, TJB, & Powell, R, 1998. An internally-consistent thermodynamic dataset for phases of petrological interest. Journal of Metamorphic Geology 16, 309–344. | |
11:00-12:00 | E5A 210 | *NDLect 5: Compositional zoning, solid solution and chemical diffusion | ||||
12.00-1.00 | E5A 210 | *NDLect 6: Fluids, open vs closed systems and retrogression | ||||
16-Apr | Thurs | 9.00-11.00 | E5A 210 | NDLect 7: Metamorphic Microstructures | Thermocalc Practical | Holland, TJB, & Powell, R, 1998. An internally-consistent thermodynamic dataset for phases of petrological interest. Journal of Metamorphic Geology 16, 309–344. |
11:00-12:00 | E5A 210 | NDLect 8: Microstructure of Deformed rocks | ||||
12.00-2.00 | E5A 210 | Optical Microscopy (metamorphic textures) | ||||
20-Apr | Mo | 2.00-5.00 | E5A 210 | Optical Microscopy (metamorphic textures) | ||
23-Apr | Thurs | 9.00-10.00 | E5A 210 | Thermocalc project | ||
30-Apr | Thurs | 9.00-10.00 | E5A 210 | Thermocalc Presentations | Submit Thermocalc exercise | |
10:00-11:00 | Discuss timing projects etc. | |||||
4/05/2015 | Mo | 9-5:00 | SEM booked | group I | ||
7/05/2015 | Thurs | 9-5:00 | SEM booked | group II | ||
11/05/2015 | Mo | 5:00 PM | project due group I | |||
14/05/2015 | Thurs | 5:00 PM | project due group II | |||
Thinsections: | Please leave in E5A 210 in allocated box - so everybody can look at them. If you need photos, go to E5A 210 when there is no classes, or you can go to the office next door (Nigels office, ask PhD students for entrance / how to work things | |||||
* audio lectures |
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