Lab Quiz 9

12 Questions

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Lab Quizzes & Trivia

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Questions and Answers
  • 1. 
    In graded bedding, the particles are:
    • A. 

      The same size

    • B. 

      Fine to coarse upwards

    • C. 

      Coarse to fine upwards

  • 2. 
    What types of ripple marks are symmetrical?
    • A. 

      Current

    • B. 

      Interference

    • C. 

      Oscillation

    • D. 

      Starved

  • 3. 
    TRUE or FALSE?  A rock with immature sediment will consist of rounded grains of similar size that are well sorted.
    • A. 

      True

    • B. 

      False

  • 4. 
    TRUE or FALSE?  A matrix supported rock means that the clasts touch each other.
    • A. 

      True

    • B. 

      False

  • 5. 
    TRUE or FALSE?  Sedimentary rocks account for 5% of exposed rock on continents.
    • A. 

      True

    • B. 

      False

  • 6. 
    TRUE or FALSE?  Clay sized particles are smaller than silt sized particles.
    • A. 

      True

    • B. 

      False

  • 7. 
    TRUE or FALSE?  White color is indicative of oxidized iron.
    • A. 

      True

    • B. 

      False

  • 8. 
    TRUE or FALSE?  Conglomerates have rounded pebbles while breccias have angular fragments.
    • A. 

      True

    • B. 

      False

  • 9. 
    TRUE or FALSE?  Imbrication can indicate the direction of current.
    • A. 

      True

    • B. 

      False

  • 10. 
    TRUE or FALSE?  Oil shale is shale with lower kerogen content.
    • A. 

      True

    • B. 

      False

  • 11. 
    What are the four factors that determine the composition and texture of clastic sedimentary rocks?
    • A. 

      Transported distance

    • B. 

      Type of transport

    • C. 

      Source rock

    • D. 

      Type of weathering