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Geology Quizzes & Trivia

Have you ever looked at the earth and wonder what secrets it holds from the lakes, seas and the major environmental sites that most people can’t explain? One way to understand it all is by taking up geology as most of your questions will get answered there. Do you wish to learn about geology? The quiz will help you do so. Try it out and tell us what you think.


Questions and Answers
  • 1. 
    Which of the following contribute to weathering?
    • A. 

      Organisms such as worms, bacteria and trees

    • B. 

      Oxygen and carbon dioxide in the air

    • C. 

      Rain water

    • D. 

      Organic acids

    • E. 

      All of the above

  • 2. 
    Erosion is
    • A. 

      The movement of weathered material from its source site.

    • B. 

      The decomposition of rock.

    • C. 

      The disintegration of rock.

    • D. 

      The weathering of rock and transportation of sediment.

    • E. 

      The disintegration of soil.

  • 3. 
    Weathering is classified into which of the following categories?
    • A. 

      Mechanistic and compositional

    • B. 

      Mechanical and physical

    • C. 

      Chemical and mechanical

    • D. 

      Physical and chemical

    • E. 

      Organic and inorganic

  • 4. 
    Which of the following is a means of mechanical weathering?
    • A. 

      Frost wedging and heaving

    • B. 

      Pressure release

    • C. 

      Thermal expansion and contraction

    • D. 

      Burrowing and root wedging

    • E. 

      All of the above

  • 5. 
    Frost wedging in the mountains produces which type of material?
    • A. 

      Tailings

    • B. 

      Talus

    • C. 

      Conglomerate

    • D. 

      Exfoliation

    • E. 

      Regolith

  • 6. 
    Pressure release occurs under which of the following conditions?
    • A. 

      Humid and seasonal

    • B. 

      Hot and arid

    • C. 

      Cold and humid

    • D. 

      Withing mountain regions

    • E. 

      In the tropics

  • 7. 
    Pressure release weathering results in
    • A. 

      Sheet jointing

    • B. 

      Rock bursts

    • C. 

      Exfoliation

    • D. 

      Exfoliation domes

    • E. 

      All of the above

  • 8. 
    Thermal expansion and contraction occurs most commonly in which of the following conditions?
    • A. 

      Arid and hot

    • B. 

      Arid and cold

    • C. 

      Humid and cold

    • D. 

      Humid and hot

    • E. 

      All of the above

  • 9. 
    Chemical weathering is most effective in which combination of conditions?
    • A. 

      Cold and arid

    • B. 

      Warm and humid

    • C. 

      Warm and arid

    • D. 

      Humid and seasonal

    • E. 

      Cold and humid

  • 10. 
    An important type of solution weathering is performed by
    • A. 

      Carbolic acid

    • B. 

      Carbonic acid

    • C. 

      Bicarbomate acid

    • D. 

      Carbon dioxide acid

    • E. 

      Sulfuric acid

  • 11. 
    Carbonic acid produces solution weathering of
    • A. 

      Sandstone

    • B. 

      Rhyolite

    • C. 

      Granite

    • D. 

      Limestone

    • E. 

      Shale

  • 12. 
    Which of the following is a type of chemical weathering?
    • A. 

      Hydrogenation

    • B. 

      Reduction

    • C. 

      Dissolution

    • D. 

      Solution

    • E. 

      Oxygenation

  • 13. 
    A source of carbon dioxide for carbonic acid is
    • A. 

      The atmosphere

    • B. 

      Soil

    • C. 

      Groundwater

    • D. 

      Surface water

    • E. 

      All of the above

  • 14. 
    Hydrolysis is particularly effective in the weathering of
    • A. 

      Limestone

    • B. 

      Sandstone

    • C. 

      Quartz

    • D. 

      Calcite

    • E. 

      Feldspar

  • 15. 
    The important weathering product of hydrolysis of feldspar is
    • A. 

      Ferromagnesian minerals

    • B. 

      Sand minerals

    • C. 

      Dissolved Ca

    • D. 

      Clay minerals

    • E. 

      Accessory minerals

  • 16. 
    An important soluble product of hydrolysis is
    • A. 

      Calcium

    • B. 

      Sodium

    • C. 

      Silica

    • D. 

      B and C, only

    • E. 

      All of the above

  • 17. 
    Which of the following is not a factor influencing the rate of chemical weathering?
    • A. 

      Climate

    • B. 

      Particle size

    • C. 

      Parent material

    • D. 

      Humidity

    • E. 

      Gravity

  • 18. 
    Clay particles in soil are important to soil development because
    • A. 

      They hold soil particles apart

    • B. 

      They allow water and gases to enter soil

    • C. 

      They retain water and supply nutrients

    • D. 

      They allow the flow of grounwater

    • E. 

      They drain poorly

  • 19. 
    Humus
    • A. 

      Is the material always comprising the top-most soil horizon

    • B. 

      Is dark organic-rich material formed by bacterial decay

    • C. 

      Is leaf-litter

    • D. 

      Must include sediments

    • E. 

      None of the above

  • 20. 
    What ore of aluminum is commonly developed in tropical soils?
    • A. 

      Borax

    • B. 

      Bauxite

    • C. 

      Laterite

    • D. 

      Phosphate

    • E. 

      Manganese

  • 21. 
    The texture and composition of sedimentary rocks does not necessarily reflect
    • A. 

      The pre-existing rock from which the sediment was derived

    • B. 

      The weathering processes responsible for creating the sediment

    • C. 

      The processes by which the sediments were transported

    • D. 

      The environment in which the sediment was deposited

  • 22. 
    The sediment in sedimentary rocks is derived from
    • A. 

      Solids produced by chemical and mechanical weathering

    • B. 

      Minerals precipitated from solution

    • C. 

      Minerals secreted by organisms

    • D. 

      A and B

    • E. 

      All of the above

  • 23. 
    The rounding and sorting of detrital sediment is a function of
    • A. 

      The transport process or mechanism

    • B. 

      The transport distance

    • C. 

      Depositional environmental

    • D. 

      B and C

    • E. 

      All of the above

  • 24. 
    The most common and effective agent for transporting sediment is
    • A. 

      Wind

    • B. 

      Waves and currents

    • C. 

      Glaciers

    • D. 

      Storms

    • E. 

      Streams

  • 25. 
    Sedimentary rocks include
    • A. 

      Any material which has settled from water.

    • B. 

      . organic, rock and mineral fragments, and precipitated minerals.

    • C. 

      . rocks which have been altered by compression.

    • D. 

      Any layered rock consisting of grains.

    • E. 

      Rocks which have been weathered.

  • 26. 
    A well sorted sediment might consist of
    • A. 

      Small grains of a variety of sizes (diameters).

    • B. 

      Large grains all of approximately the same size (diameter).

    • C. 

      Grains of moderate but different dimensions (diameters).

    • D. 

      Predominantly round grains.

    • E. 

      Predominantly smooth grains.

  • 27. 
    Which of the following is the correct sequence in which various types of coal are formed?
    • A. 

      Lignite, peat, anthracite, bituminous

    • B. 

      Peat, bituminous, anthracite, lignite

    • C. 

      Peat, lignite, anthracite, bituminous

    • D. 

      Peat, lignite, bituminous, anthracite

    • E. 

      Lignite, peat, bituminous, anthracite

  • 28. 
    Which coal contains the most carbon and is the hottest burning?
    • A. 

      Lignite

    • B. 

      Anthracite

    • C. 

      Bituminous

    • D. 

      Peat

    • E. 

      Subbituminous

  • 29. 
    During the process of lithification, sedimentary rocks experience which of the following?
    • A. 

      Cementation

    • B. 

      Compaction

    • C. 

      Decreased void space

    • D. 

      A and B

    • E. 

      B and C

    • F. 

      All of the above

  • 30. 
    Relative to a poorly-sorted breccia, the texture of a well-sorted conglomerate may indicate that
    • A. 

      It was deposited near its source by a debris flow

    • B. 

      It was deposited by a glacier

    • C. 

      Its sediments were rounded by chemical weathering

    • D. 

      It was transported and deposited by stream currents or wave action

  • 31. 
    Hydrocarbons are formed largely from
    • A. 

      The remains of dinosaurs

    • B. 

      Any type of fossils

    • C. 

      Microorganism like algae

    • D. 

      The same types of plants which form coal deposits

    • E. 

      Marine invertebrate animals

  • 32. 
    Hydrocarbons can be widespread in sedimentary rock but reservoirs are formed by
    • A. 

      Porous and permeable beds bounded on all sides by impermeable rock.

    • B. 

      Large cavities such as cave systems in limestone reefs.

    • C. 

      Structural traps.

    • D. 

      A and C

    • E. 

      All of the above.

  • 33. 
    The largest known deposits of oil shale occur in
    • A. 

      The Greenstone formation of Montana.

    • B. 

      The Green River Formation of Wyoming.

    • C. 

      The Jurassic salt domes of the Gulf of Mexico.

    • D. 

      The Athabaskan Formation of Alberta Canada.

    • E. 

      The La Brea Tar Pits of Los Angeles, California.

  • 34. 
    Oil shale is not a common source of fuel because
    • A. 

      It cannot be extracted from rock

    • B. 

      It is not common enough to be economical

    • C. 

      It contains many pollutants

    • D. 

      The carbon cannot be economically separated from the rock

    • E. 

      It does not burn efficiently

  • 35. 
    Much of the world's iron ore deposits come from rock known as
    • A. 

      Stratified hematite and magnetite.

    • B. 

      Banded hematite.

    • C. 

      Banded iron formation

    • D. 

      Chemical iron formations.

    • E. 

      Sedimentary iron formation.

  • 36. 
    • A. 

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

    • B. 

      . have mineral compositions altered from those originally present by increased temperature and pressure.

    • C. 

      Have textures altered from those originally present by agents such as water and volatile magmatic fluids.

    • D. 

      Have chemical compositions altered from those originally present by agents such as organisms and tectonic plates.

    • E. 

      B and C

  • 37. 
    The word elements meta and morph are Latin for
    • A. 

      Hidden and shape

    • B. 

      Hidden and rock

    • C. 

      Change and rock

    • D. 

      Change and shape

    • E. 

      Hidden and body

  • 38. 
    Foliated metamorphic textures form under which of the following circumstances?
    • A. 

      Convergent plate margins

    • B. 

      Regional metamorphism

    • C. 

      Differential pressure

    • D. 

      Both B and C

    • E. 

      All of the above

  • 39. 
    Metamorphic rocks may form from
    • A. 

      Igneous rocks

    • B. 

      Sedimentary rocks

    • C. 

      Other metamorphic rocks

    • D. 

      Both A and B

    • E. 

      All of the above

  • 40. 
    Metamorphism of a mudstone will produce
    • A. 

      Slate

    • B. 

      Gneiss

    • C. 

      Hornfels

    • D. 

      A and B

    • E. 

      All of the above

  • 41. 
    Metamorphism takes place
    • A. 

      In the liquid state, melted by contact with magma.

    • B. 

      In the solid state with or without fluid activity.

    • C. 

      Only at great depth.

    • D. 

      A and C

    • E. 

      All of the above

  • 42. 
    Metamorphism is physical and chemical change that occurs in such a way that
    • A. 

      Disequilibrium is reached with the new physical and chemical environment.

    • B. 

      A dynamic equilibrium is reached.

    • C. 

      Equilibrium with the new environment is disturbed.

    • D. 

      The rock reaches equilibrium with its new environment.

    • E. 

      The rock's chemistry and texture become increasingly unstable.

  • 43. 
    Contact metamorphism is found along the boundaries between country rock and
    • A. 

      Dikes

    • B. 

      Batholiths

    • C. 

      Laccoliths

    • D. 

      Sills

    • E. 

      All of the above

  • 44. 
    The zone of metamorphism between country rock and intrusive igneous rock is known as
    • A. 

      The oriole

    • B. 

      The orio

    • C. 

      The aureole

    • D. 

      The arena

    • E. 

      The areal

  • 45. 
    Which of the following correctly lists metamorphic mineral assemblages in order of decreasing temperature/pressure of formation?
    • A. 

      Chlorite, biotite, garnet, staurolite, kyanite, sillimanite

    • B. 

      Biotite, garnet, chlorite, staurolite, sillimanite, kyanite

    • C. 

      Garnet, biotite, chlorite, sillimanite, staurolite, kyanite

    • D. 

      Sillimanite, staurolite, kyanite, garnet, biotite, chlorite

    • E. 

      Sillimanite, garnet, kyanite, staurolite, biotite, chlorsillimanite, garnet, kyanite, staurolite, biotite, chlorite

  • 46. 
    The reaction of country rock with solutions from a cooling magma is known as
    • A. 

      Hydrothermal solution

    • B. 

      Hydroxide alteration

    • C. 

      Geothermal alteration

    • D. 

      Hydrothermal alteration

    • E. 

      Hydrostatic alteration

  • 47. 
    An example of a region where mylonites are formed is
    • A. 

      The cascade range

    • B. 

      The mid-oceanic ridges

    • C. 

      The san andreas fault zone

    • D. 

      The valles marianas rift zone

    • E. 

      The mendocino fracture zone

  • 48. 
    Which of the following rocks may be associated with contact metamorphism?
    • A. 

      Gneiss

    • B. 

      Slate

    • C. 

      Honfels

    • D. 

      B and C

    • E. 

      None of the above

  • 49. 
    Most metamorphic rocks are the result of
    • A. 

      Dynamic metamorphism

    • B. 

      Hydrothermal alteration

    • C. 

      Contact metamorphism

    • D. 

      Regional metamorphism

    • E. 

      Country rock baking

  • 50. 
    The intensity of regional metamorphism may be recognized by
    • A. 

      Index of recrystallization

    • B. 

      Index fossils

    • C. 

      Index minerals

    • D. 

      Index polymorphs

    • E. 

      Index cards

  • 51. 
    Kyanite, andalusite and sillimanite
    • A. 

      Are index minerals formed from clay-rich parent rocks.

    • B. 

      Form from the same parent rocks under different combinations of pressure and temperature.

    • C. 

      Can transform from one to the other depending on changes in temperature and pressure.

    • D. 

      Have the same chemical composition.

    • E. 

      All of the above

  • 52. 
    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

    • E. 

      Schist, phyllite, amphibolite, gneiss

  • 53. 
    Divergent plate boundaries are characterized by
    • A. 

      Hydrothermal alteration and contact metamorphism.

    • B. 

      Regional and contact metamorphism.

    • C. 

      Regional and dynamic metamorphism.

    • D. 

      Dynamic and contact metamorphism.

    • E. 

      Hydrothermal alteration and dynamic metamorphism.