Quiz On Metamorphic Rock Characteristics And Identification

45 Questions | Total Attempts: 418

SettingsSettingsSettings
Quiz On Metamorphic Rock Characteristics And Identification - Quiz

Assessment on metamorphic rock characteristics and identification.


Questions and Answers
  • 1. 
    One plate tectonic process that causes very widespread metamorphism is ____________________.
  • 2. 
    The most important fluid promoting metamorphism is ____________________.
  • 3. 
    The three types of metamorphism are ____________________, ____________________, and ____________________.
  • 4. 
    Metamorphic rocks are commonly divided into these two groups, based on their textures: ____________________ and ____________________.
  • 5. 
    The type of metamorphism that typically produces the hard, dense, fine-grained rocks called mylonites is called ____________________.
  • 6. 
    The type of metamorphism that occurs over large areas, commonly at convergent plate margins, and is responsible for the production of most metamorphic rocks is ____________________.
  • 7. 
    Metamorphism is most common along ____________________ plate boundaries.
  • 8. 
    As the plate subducts until it begins to melt, it generates magma, which rises and causes ____________________ metamorphism.
  • 9. 
    If metamorphic rock contains biotite, garnet, and staurolite, it is ____________________ grade.
  • 10. 
    Many ore deposits, including tin and tungsten, are associated with ____________________metamorphism.
  • 11. 
    Rocks that have been changed from previously existing rocks (but that were not completely melted) by the action of heat, pressure, and associated chemical activity are:_____ rocks
    • A. 

      Intrusive

    • B. 

      Igneous

    • C. 

      Metamorphic

    • D. 

      Sedimentary

  • 12. 
    Metamorphic rocks are those that:
    • A. 

      Are claimed to have certain metaphysical properties, e.g., quartz crystals.

    • B. 

      Have different mineral compositions due to increased temperature and pressure.

    • C. 

      Have different chemical compositions due to organisms and sediments

    • D. 

      Have the same chemical compositions of igneous rocks

  • 13. 
    Metamorphic rocks may form from _______ rocks.
    • A. 

      Igneous

    • B. 

      Sedimentary

    • C. 

      Metamorphic

    • D. 

      All answers apply

  • 14. 
    Which three processes bring about metamorphism?
    • A. 

      Heat, pressure, weathering

    • B. 

      pressure, fluid activity, heat

    • C. 

      Melting, pressure, fluid activity

    • D. 

      Crystallization, differential pressure, melting

  • 15. 
    The two most important sources of heat for metamorphism are
    • A. 

      Intrusive magma bodies and deep burial

    • B. 

      deep burial and volcanism

    • C. 

      Radioactive decay and volcanism

    • D. 

      Radioactive decay and deep burial

  • 16. 
    Contact metamorphism is found along the boundaries between country rock and
    • A. 

      Dikes

    • B. 

      Batholiths

    • C. 

      Sills

    • D. 

      All answers apply

  • 17. 
    Which of the following lists of foliated rock types is arranged according to increasing coarseness of texture?
    • A. 

      slate, phyllite, gneiss, schist

    • B. 

      Slate, amphibolite, schist, phyllite

    • C. 

      Schist, phyllite, gneiss, slate

    • D. 

      Slate, phyllite, schist, gneiss

  • 18. 
    The type of metamorphism that is common in fault zones, in which rocks are subjected to high differential pressures, is called
    • A. 

      Contact

    • B. 

      Regional

    • C. 

      Dynamic

    • D. 

      Differential

  • 19. 
    Metamorphic rocks are most common in the ocean basins.
    • A. 

      True

    • B. 

      False

  • 20. 
    Metamorphic rocks are the oldest known rocks.
    • A. 

      True

    • B. 

      False

  • 21. 
    Metamorphic rocks are very common in the crystalline basement rocks of the oldest parts of continents.
    • A. 

      True

    • B. 

      False

  • 22. 
    The concentric zones surrounding an igneous intrusion, and in which contact metamorphism has taken place, are called aureoles.
    • A. 

      True

    • B. 

      False

  • 23. 
    Metamorphic rocks indicate that an even older parent rock once existed in that place.
    • A. 

      True

    • B. 

      False

  • 24. 
    Metamorphic rocks can indicate the physical conditions that once existed in a geological setting.
    • A. 

      True

    • B. 

      False

  • 25. 
    Metamorphic rocks can indicate the chemical changes that have occurred at various depths.
    • A. 

      True

    • B. 

      False

Back to Top Back to top