Geological History and Dating Methods Quiz
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Questions and Answers

What is the function of aquitards in an aquifer?

  • Store excessive fluid
  • Allow water to flow freely
  • Prevent water from percolating through (correct)
  • Increase the porosity of the aquifer

    • Why are geysers formed?

  • Because of excessive fluid stored in the pore space
  • When igneous rock chambers exist underground (correct)
  • As a result of hazardous chemicals mixing with water
  • Due to the water table intercepting the ground surface

    • What is the primary role of groundwater in creating sinkholes and caverns?

  • Saturating the zone of aeration
  • Causing landslides through pumping
  • Acting as an erosion agent (correct)
  • Being a renewable source of water

    • How does porosity differ from permeability in sediment and rock?

    <p>Permeability measures stored fluid, while porosity indicates the ability to transmit fluid</p> Signup and view all the answers

    What is one of the problems associated with groundwater as mentioned in the text?

    <p>Can become contaminated</p> Signup and view all the answers

    What is the term for the study of life on earth over more than 11,700 years ago?

    <p>Paleontology</p> Signup and view all the answers

    Which type of unconformity involves a tilted rock overlain by flat-lying rocks?

    <p>Angular unconformity</p> Signup and view all the answers

    What process involves showing that rocks at different locations were deposited at the same time and have similar ages?

    <p>Correlation</p> Signup and view all the answers

    Which principle states that in sedimentary rocks, each bed is older than the one above it?

    <p>Principle of superposition</p> Signup and view all the answers

    What type of rock must exist in order to be included in another rock?

    <p>Igneous rock</p> Signup and view all the answers

    Which ocean is approximately the same size as the Atlantic Ocean?

    <p>Indian Ocean</p> Signup and view all the answers

    What is the primary source of power for the hydrologic cycle making it an external process?

    <p>Sun</p> Signup and view all the answers

    'Thermohaline circulation' refers to ocean water movements due to differences in what properties?

    <p>Temperature and salinity</p> Signup and view all the answers

    Which type of water channels are made of loose sediment and can occur in meandering or braided forms?

    <p>Alluvial channels</p> Signup and view all the answers

    Where do abyssal organisms typically reside?

    <p>Burrowing into the ocean floor</p> Signup and view all the answers

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