A Trivia Quiz On Geological Dating! Test

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A Trivia Quiz On Geological Dating! Test - Quiz

Geological dating is a technique used in geology to determine the age of rocks. Chemical analysis is part of the process. With this quiz, you will be responsible for answering questions based on the pictures which correspond with the correct answer. You will have to examine these diagrams and surmise the geological dating for the rock to become what it is. This quiz will assist you in comprehending more about geological dating.


Questions and Answers
  • 1. 

    Use the picture below to answer: Which rock layer was formed first?

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    • E.

      5

    Correct Answer
    D. 4
    Explanation
    Based on the principle of superposition, the rock layers are arranged in a sequence with the oldest layer at the bottom and the youngest layer at the top. Since layer 4 is located at the bottom, it was formed first.

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  • 2. 

    Which of the following would have happenned most recently?

    • A.

      Fault along line B

    • B.

      Igneous formation of 2

    • C.

      Igneous formation of 3

    Correct Answer
    C. Igneous formation of 3
  • 3. 

    Layers labeled #2 and #3 were formed at the same time since they both are igneous rocks.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    B. FALSE
    Explanation
    The explanation for the given answer is that layers labeled #2 and #3 cannot be formed at the same time just because they are both igneous rocks. Igneous rocks are formed from the solidification of molten material, but the timing of their formation depends on various factors such as the cooling rate and the source of the molten material. Therefore, it is not accurate to assume that two igneous rocks formed at the same time solely based on their rock type.

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  • 4. 

    Which geological dating method relies on the measurement of the radioactive decay of certain isotopes in rocks and minerals to determine their age?

    • A.

      Stratigraphy 

    • B.

      Dendrochronology 

    • C.

      Radiocarbon dating

    • D.

      Radiometric dating

    Correct Answer
    D. Radiometric dating
    Explanation
    Radiometric dating is the correct answer. It relies on the measurement of the radioactive decay of isotopes like uranium, potassium, and thorium in rocks and minerals to determine their absolute age. This method is widely used in geological dating for both ancient and recent geological events.

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  • 5. 

    Which of the following happenned more recently?

    • A.

      Deposition of Layer D

    • B.

      Depositin of Layer M

    • C.

      Fault between layers I, B, F

    • D.

      Magma Intrusion H

    Correct Answer
    D. Magma Intrusion H
    Explanation
    Magma Intrusion H happened more recently compared to the other events mentioned. This is because magma intrusion is a relatively quick process that occurs when molten rock from beneath the Earth's surface forces its way into existing rock layers. On the other hand, deposition of layers and faults between layers are gradual processes that take place over longer periods of time. Therefore, magma intrusion H is the most recent event among the options provided.

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  • 6. 

    Which of the following pairs of rock layers show signs of unconformity?

    • A.

      R-M

    • B.

      M-F

    • C.

      H-B

    • D.

      B-I

    Correct Answer
    B. M-F
    Explanation
    The pair of rock layers M-F shows signs of unconformity because there is a clear boundary or gap between them, indicating a period of erosion or non-deposition. This unconformity suggests that there was a significant interruption in the deposition of sedimentary layers, possibly due to tectonic activity or changes in sea level.

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  • 7. 

    Which of the following pairs of rock layers show a time of erosion occurred before the overlying layer was deposited?

    • A.

      B-H

    • B.

      H-F

    • C.

      M-F

    • D.

      B-I

    Correct Answer
    C. M-F
    Explanation
    The pair M-F shows a time of erosion occurred before the overlying layer was deposited. This is because the letter M represents a lower rock layer, while the letter F represents an overlying layer. The presence of erosion indicates that the lower rock layer (M) was exposed to weathering and erosion processes before the deposition of the overlying layer (F).

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  • 8. 

    TRUE or FALSE Mudstone (shale) is formed from fast, high energy waterways such as floods.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    B. FALSE
    Explanation
    Mudstone (shale) is not formed from fast, high energy waterways such as floods. Instead, it is formed in low energy environments, such as calm lakes or deep ocean basins, where fine sediment particles settle and compact over time. These conditions allow for the gradual accumulation and preservation of clay and silt particles, which eventually form mudstone (shale).

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  • 9. 

    Examine the diagram below: The magma intrusion caused some metamorphism to occur with surrounding rocks.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    A. TRUE
    Explanation
    The given diagram suggests that a magma intrusion has occurred, which has caused metamorphism in the surrounding rocks. This means that the intense heat and pressure from the magma have altered the composition and structure of the rocks, leading to the formation of new minerals and textures. Therefore, the statement "The magma intrusion caused some metamorphism to occur with surrounding rocks" is true.

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  • 10. 

    Based on the diagram and explanation below, which of the following do scientists assume about the past?

    • A.

      This rate of erosion has been approximately the same since the falls formation.

    • B.

      The historical rate of this falls' erosion cannot be determined.

    • C.

      The current rate of erosion does not reveal any clues about the falls' history.

    Correct Answer
    A. This rate of erosion has been approximately the same since the falls formation.
    Explanation
    Scientists assume that the rate of erosion of the falls has been consistent since its formation. This means that the falls have been eroding at a relatively constant rate over time. This assumption is based on the information provided in the diagram and explanation, which suggests that the rate of erosion has not significantly changed.

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