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Metamorphism Intro - PowerPoint PPT Presentation

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Metamorphism Intro
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  1. Metamorphism Intro

  2. Metamorphic petrology • All about mineral stability and reactions • Metamorphism: solid change of form • Change mineralogy, texture, composition • Occurs between diagenesis and melting

  3. Metamorphic petrology • Metamorphic agents: T, P, and/or fluid • Pressure as deviatoric stress • Tensional, compressional, shear strain ellipsoid original shape

  4. Metamorphic petrology • Metamorphic agents: T, P, and/or fluid • Pressure as deviatoric stress • Tensional, compressional, shear

  5. Metamorphic petrology • Metamorphic agents: T, P, and/or fluid • Pressure as deviatoric stress • Tensional, compressional, shear

  6. Scales of metamorphism

  7. Types of metamorphism • Contact met. • Adjacent to igneous rocks

  8. Types of metamorphism • Regional met • Convergent margins

  9. Types of metamorphism • Burial met • Sed basins

  10. Types of metamorphism • Ocean-floor met

  11. Types of metamorphism • Shear zones

  12. If time, P-T-t paths