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6 Written questions

6 Multiple choice questions

  1. when there are parallel, stratified rock layers above and below the unconformity, but there is a clear surface of erosion between them
  2. the decayed remains of once-living creatures
  3. rock formed from sediments (sand, silt, and other components of soil) and laid down by water or some other agent.
  4. "veins" of igneous rock that shoot right through several layers of sedimentary rock
  5. rock that has undergone extreme change due to lots of heat and pressure.
  6. inorganic crystalline substances found naturally in the earth

5 True/False questions

  1. unconformitywhen stratified layers rest on top of unstratified layers

          

  2. nonconformitya surface of erosion that separates one layer of rock from another

          

  3. igneous rockrock formed from molten rock, which is usually called magna.

          

  4. uniformitarianismthe view that most of earth's geological features are the result of slow, gradual processes that have been at work for millions or even billions of years.

          

  5. paraconformitieswhen there are parallel, stratified rock layers above and below the unconformity, but there is a clear surface of erosion between them

          

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