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6 Written questions

6 Multiple choice questions

  1. unidentifiable unconformities
  2. rock that has undergone extreme change due to lots of heat and pressure.
  3. when there are parallel, stratified rock layers above and below the unconformity, but there is a clear surface of erosion between them
  4. a surface of erosion that separates one layer of rock from another
  5. the decayed remains of once-living creatures
  6. rock formed from molten rock, which is usually called magna.

5 True/False questions

  1. mineralsintrusions that run in the same direction as the strata

          

  2. weathering"veins" of igneous rock that shoot right through several layers of sedimentary rock

          

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

          

  4. sillsintrusions that run in the same direction as the strata

          

  5. dikesintrusions that run in the same direction as the strata