GSA Connection

December 2011
Trivia Answers


Geoscience Trivia

  1. What term is given to crystals that have grown in two or more different lattice orientations?
    TWINS
  2. What term is given to the finer crystalline zone found at the edge of a dike or the bottom of a lava flow?
    CHILLED MARGIN
  3. What mineral is often referred to as “dog-tooth spar” because of the shape of its crystals?
    CALCITE

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