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MEI670: UNIVERSAL STAGE METHODS FOR THE STUDY OF CRYSTALLINE MATERIALS
Construction, alignment, and set up of the four-axis universal stage, and techniques of measuring planar and optical directions of crystalline materials in thin section using three axes of rotation, is addressed in this class. Applications include measuring dihedral crystal angles to interpret metamorphic grade, fracture to c-axis angles in quartz to assess planar deformation at meteorite impact sites, evaluation of crystal orientation and petrofabric structure in metamorphosed rocks, and studies of twinned crystals to assess twin law and orientation. No other instrument can provide this kind of information.
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No sessions currently scheduled for this course.
Are you interested in this course, but it is either not offered or not at a time that works with your schedule? Let us know and we will notify you when it is available next.
Offline registration is available by calling the registrar at 630-887-7100 or by downloading the offline registration form, completing it, and faxing to 630-887-7412.
* If a scheduled course is full, you may be placed in a waiting list.
- Optics review: Anisotropic media, The optical indicatrix - biaxial, and Optic sign
- Universal stage construction
- Setting up and adjusting the universal stage
- U-stage measurement - extinction
- Determination of principal vibration directions, X-Y-Z
- Orientation and plotting of cleavage
- Rotation of projection
- Twinning: normal, parallel, complex
Principles and theory relevant to aligning and using a universal stage for basic measurements of optic directions, and cleavage and twin planes. Geologists, mineralogists, or anyone in industry, government, or academia with a need for measuring optical and planar features in thin section will benefit from this class.
- Detailed course manual including John Gustav Delly's new book, Essentials of Polarized Light Microscopy
- Olympus BX51 microscope for each student
- Students should bring a universal stage if they have one.
- Although some fundamentals of optical crystallography will be reviewed in this class, a solid background in mineral optics is essential.
The student is notified at the end of the course whether or not they have successfully completed the requirements of the course based on:
- 100% attendance
- class participation
- completion of all course material
- completed and signed student evaluation form
Upon successfully meeting these requirements, a student is awarded a certificate of completion and IACET CEU credits, if available. Those who have not successfully passed the course requirements do not receive a certificate or IACET CEU credits.
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