GSA Connection

April 2014

GSA Geoscience Trivia

  1. 18 April marks the date of what infamous North American earthquake?
    Great San Francisco Earthquake, 1906 (PDF)

  2. To what does the word "chatoyancy" refer?
    An optical reflectance effect seen in certain gemstones (e.g., tiger's eye quartz).

  3. What famous paleobotanist pioneered the study of coal (including "coal balls")?
    Marie Stopes

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