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Lecture 10

The earth is not finished, but is now being, and will forevermore be re-made. - C.R. van Hise (1898) Metamorphic Rocks. Lecture 10. Webpage for course (daytime). Webpage for course (nighttime).

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Lecture 10

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  1. The earth is not finished, but is now being,and will forevermore be re-made. - C.R. van Hise (1898)Metamorphic Rocks Lecture 10 Webpage for course (daytime) Webpage for course (nighttime)

  2. Three types of rocks: - Igneous -Sedimentary - Metamorphic Not “formed” as much as “reformed”

  3. Sedimentary rocks: Form at room temperature Atmospheric pressure

  4. What happens when pre-existing rocks are subjected to high P & T? Their minerals may no longer be stable Bread analogy

  5. Two general types of metamorphism Regional metamorphism Contact metamorphism

  6. Contact metamorphism dike

  7. Regional metamorphism

  8. Metamorphic rocks are divided into two groups Foliated Nonfoliated < http://mulch.cropsoil.uga.edu/soilsandhydrology/ Important%2520Rocks%2520%26%2520Minerals.htm&usg > < http://www.personal.psu.edu/cll161/insys%2 520441/images/foliate.jpg&imgrefurl

  9. Foliated Granite >>>>>>>>>> Gneiss Shale >>>> Slate >>>> Phyllite >>>> Schist

  10. < http://charlottehutson.wordpress.com/2010/03/02/early-gravestone-art-in-charleston/&usg >

  11. Nonfoliated Limestone >>>>>>>>>> Marble Sandstone >>>>>>>>>> Quartzite

  12. Metamorphic Rocks as Building materials What is the “best” building material? Define “best” inexpensive beautiful longlasting

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