Relative Age Of Rocks

8 Questions | Total Attempts: 311

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Rock Quizzes & Trivia

Questions and Answers
  • 1. 
    According to the Law of Superposition, in horizontal sedimentary rock layers, the oldest rocks are found _______________.
    • A. 

      In the middle

    • B. 

      At the top

    • C. 

      At the bottom

    • D. 

      In a diagonal

  • 2. 
    An unconformity is caused by _________________.
    • A. 

      Erosion

    • B. 

      Isotopes

    • C. 

      Precambrian

    • D. 

      Faults

  • 3. 
    ________________ says that the geologic processes that shaped Earth's surface in the past continue to shape Earth's surface today.
    • A. 

      Intrusion

    • B. 

      Extrusion

    • C. 

      Unconformities

    • D. 

      Uniformitarianism

  • 4. 
    _____________ fossils were widely distributed and lived a short period of time. They can be used to determine the relative age of rocks.
    • A. 

      Trace

    • B. 

      Mold

    • C. 

      Cast

    • D. 

      Index

  • 5. 
    Geologists study the ___________ age of __________ rocks in order to help them learn more about the relative age of sedimentary rocks.
    • A. 

      Absolute; igneous

    • B. 

      Absolute; metamorphic

    • C. 

      Relative; sedimentary

    • D. 

      Relative; metamorphic

  • 6. 
    According to the Law of Superposition, which layer in this image is the youngest?
    • A. 

      Hermit shale

    • B. 

      Toroweap Formation

    • C. 

      Kaibab Limestone

    • D. 

      Coconino Sandstone

  • 7. 
    Which layer at Site 2 is the same age as Layer D, from Site 1?
    • A. 

      Layer K

    • B. 

      Layer I

    • C. 

      Layer E

    • D. 

      Layer A

  • 8. 
    An intrusion is always ______________ than the rock it cuts through.
    • A. 

      Different

    • B. 

      Older

    • C. 

      Younger

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