Geology Test: Can You Identify These Minerals? Trivia Quiz

33 Questions | Total Attempts: 39

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Geology Quizzes & Trivia

This trivia quiz is a geology test: can you identify these minerals? There are different types of minerals that can be found below the earth surface some are extremely rare while others are too common. Do you think you are so good at geology and can easily identify them by looking at them? Worry not as trying this quiz ensures that you get to refresh your memory. All the best!


Questions and Answers
  • 1. 
    Rocks that are high in silca content melt at lower temperatures than rocks with low silica content:
    • A. 

      Ture

    • B. 

      False

  • 2. 
    Rocks with high silica content have higher specific gravity than rocks with low silica content:
    • A. 

      True

    • B. 

      False

  • 3. 
    One way to decompress rocks and causing melting is to
    • A. 

      Open a rift in the seafloor or on the continent

    • B. 

      Subduct some seafloor down a trench

    • C. 

      Bury the seafloor under sediments

    • D. 

      Bury the crust under lava flows

  • 4. 
    A batholith is
    • A. 

      Made up of a single igneous intrusion

    • B. 

      A volcanoclastic rock body

    • C. 

      A common feature at midocean ridges

    • D. 

      A feature that forms when seafloor is subducted under a continent

  • 5. 
    A sill is an igneous intrusion that
    • A. 

      Is parallel to the host sedimentary beds

    • B. 

      Intersects host sedimentary beds at a high angle

    • C. 

      Is an extrusive igneous rock

    • D. 

      Forms through cataclasis

  • 6. 
    All other factors being equal, intrusive rocks that form deep within Earth ________  than intrusive rocks that cool near the surface
    • A. 

      Are more felsic

    • B. 

      Contain smaller portions of volatiles

    • C. 

      Cool more slowly

    • D. 

      Cool more rapidly

  • 7. 
    An island volcanic occurs at ______
    • A. 

      The Andes Mountains

    • B. 

      The Aleutian Islands of Alaska

    • C. 

      Mt. Saint Helens

    • D. 

      Hawaii

  • 8. 
    Coarse grained granite is most similar in mineral composition to fine-grained ________
    • A. 

      Basalt

    • B. 

      Rhyolite

    • C. 

      Andesite

    • D. 

      Komatiite

  • 9. 
    In 79 C.E. the citizens of Pompeii in the Roman Empire were buried by pyroclastic debris derived from an eruption of
    • A. 

      Mt. Olympus

    • B. 

      Olympus Mons

    • C. 

      Mt. Vesuvius

    • D. 

      Mt. St. Helens

  • 10. 
    If a volcano is erupting a gassy, felsic magma, then it is most likely to be _____.
    • A. 

      An "effusive" eruption

    • B. 

      An explosive eruption

    • C. 

      None of the above

  • 11. 
    The majority of rocks that occur on the surface of the Earth are
    • A. 

      Intrusive igneous rocks

    • B. 

      Extrusive igneous rocks

    • C. 

      Sedimentary rocks

    • D. 

      Metamorphic rock

  • 12. 
    A void left by an air bubble that was trapped when lava solidified into rock is termed ________.
    • A. 

      A vesicle

    • B. 

      A lahar

    • C. 

      An effusive chondrite

  • 13. 
    The volcanoes of the US Pacific Northwest are active examples of ____________.
    • A. 

      Continental rift volcanism

    • B. 

      Island arc volcanism

    • C. 

      Continental arc volcanism

    • D. 

      Continental hot-spot volcanism

  • 14. 
    Which of the following is characterized of volcanism in continental rifts?
    • A. 

      Large volumes of mafic magma in the crust

    • B. 

      Possible presence of a super plume

    • C. 

      Eruptions of basalt that cover broad areas

    • D. 

      All of the above

    • E. 

      None of the above

  • 15. 
    Which of the following volcanic settings is NOT likely to produce pillow basalt?
    • A. 

      Island arcs

    • B. 

      Oceanic hot spots

    • C. 

      Mid ocean ridges

    • D. 

      Continental hot spots

  • 16. 
    Olivine is the ________ mineral to crystallize out of a melt at depth and the __________ mineral to weather away at the surface
    • A. 

      First/last

    • B. 

      Last/first

    • C. 

      Last/last

    • D. 

      First/first

  • 17. 
    The Andes are active examples of _______________
    • A. 

      Continental rift volcanism

    • B. 

      Island arc volcanism

    • C. 

      Continental arc volcanism

    • D. 

      Continental hot spot volcanism

  • 18. 
    The slow build up and sudden release of stress of faults in earthquakes is described as_______
    • A. 

      Stick-slip behavior

    • B. 

      Fault throw

    • C. 

      Normal faulting

    • D. 

      Reverse faulting

  • 19. 
    "Seismic Waves" refer to
    • A. 

      Episode of ground shaking

    • B. 

      Energy transmitted as a result of an earthquake

    • C. 

      Earthquake activity

    • D. 

      Sudden slip along an existing fault

  • 20. 
    Reverse faulting is generally associated with crustal
    • A. 

      Extension

    • B. 

      Shortening

    • C. 

      Compression

    • D. 

      Decompression

    • E. 

      Both b and c

  • 21. 
    Thrust faulting differ from reverse faults in the _____________.
    • A. 

      Sense of the motion or "throw"; and the hanging wall moves up relative to the footwall in thrust faults, and down relative to the footwall in reverse faults

    • B. 

      Sense of crustal stress

    • C. 

      The angle of the faulting plane with a horizontal plane; thrust faults are steeper than reverse faults

    • D. 

      The angle of the fault plane makes with the horizontal plane; reverse faults are steeper than thrust faults

  • 22. 
    Why doesn't slip occur on faults all the time?
    • A. 

      Resistance due to decompression

    • B. 

      Resistances due to friction

    • C. 

      Resistance due to viscosity

    • D. 

      Temperature effects

  • 23. 
    Hydrolysis, oxidation, and chelation are all examples of __________.
    • A. 

      Erosion

    • B. 

      Chemical weathering

    • C. 

      Physical weathering

    • D. 

      Deposition

  • 24. 
    Which of these is not considered a type (or class) of sedimentary rocks?
    • A. 

      Clastic

    • B. 

      Biochemical

    • C. 

      Organic

    • D. 

      Chemical

    • E. 

      None of the above

  • 25. 
    Which of the following represents the correct ordering, from fine to coarse, for sedimentary detritus?
    • A. 

      Clay, silt, sand, cobble, gravel, boulder

    • B. 

      Clay, sand, silt, boulder, cobble, gravel

    • C. 

      Sand, silt, clay, gravel, boulder, cobble

    • D. 

      Clay, silt, sand, gravel, cobble, boulder