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Physical Geology Laboratory Tuesday Tom Burbine tomburbine@astro.umass

Prepare for your geology midterm covering metamorphic rocks, scales, and textures. Familiarize yourself with key concepts for the upcoming test. Review metamorphic rock formation, textures, and identification. Don't forget to bring your mineral identification sheets!

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Physical Geology Laboratory Tuesday Tom Burbine tomburbine@astro.umass

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  1. Physical Geology LaboratoryTuesdayTom Burbinetomburbine@astro.umass.edu

  2. Midterm • Next Tuesday • Covers all the labs from September 8th to October 12th • You can bring in the mineral identification sheets that you filled out in class

  3. Metamorphic Rocks • Rocks changed by intense heat, intense pressure, or the action of watery hot fluids • Every metamorphic rock has a parent rock

  4. Scales • Contact metamorphism – occurs locally • Adjacent to igneous intrusions or along fractures that are in contact with watery hot fluids • Low to moderate pressure • Regional metamorphism – occurs over very large areas • Generally accompanied by folding of rock layers • Moderate to extreme pressure and heat associated with deep burial or tectonic movements of rock and/or widespread migration of hot fluids from one region to another

  5. Texture • Foliated - Layering • Nonfoliated - no obvious layering

  6. Any Questions?

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