Deformation Mechanisms and Microstructures
Summary
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In this exercise, students match microstructures to the deformation mechanisms by which they form; compare pairs of photomicrographs chosen to highlight key differences between some common microstructures; and complete a self-quiz in which they identify microstructures and infer deformation mechanisms from photomicrographs.
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Learning Goals
After successfully completing this exercise, students will be able to
- Recognize several common, important microstructures.
- Infer deformation mechanisms from microstructural observations.
Context for Use
We use this as a homework exercise to give students practice in both identifying microstructures and associating them with the deformation mechanisms by which they form.
Description and Teaching Materials
In this exercise, students match microstructures to the deformation mechanisms by which they form; compare pairs of photomicrographs chosen to highlight key differences between some common microstructures; and complete a self-quiz in which they identify microstructures and infer deformation mechanisms from photomicrographs.
Deformation mechanisms and microstructures exercise (Microsoft Word 2007 (.docx) 10MB May19 15)
Assessment
Assess student comprehension by grading answers to the homework questions.
References and Resources
Many of the photomicrographs in this exercise are from Tullis, J., Stünitz, H., Teyssier, C. and Heilbronner, R. 2000. Deformation Microstructures in Quartzo-Feldspathic Rocks in: Stress, Strain and Structure, A volume in honour of W D Means. Eds: M.W. Jessell and J.L.Urai. Volume 2, Journal of the Virtual Explorer.