GSA Connection

February 2014


GSA Geoscience Trivia

  1. For a brief time, the Mississippi River flowed backward, due to what geologic event?
    1812 New Madrid earthquake(s)

  2. The La Brea Tar Pits, which is one of the greatest known fossil repositories in California, features many examples of California's state fossil. What is it?
    Smilodon californicus, the sabre-toothed cat

  3. In geology, to what do the terms "jelly sandwich" and "crème brûlée" refer?
    The continental lithosphere

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