Fun with Geoscience Trivia

  1. Anhydrite, halite, and gypsum are all formed through what process?

            EVAPORATION

  2. Lignite is a member of what sedimentary rock group?

            COAL

  3. Which soft mineral is associated with low-grade metamorphic rocks which may have once been ultramafic in origin?

            TALC

Get your very own copy of GSA Geoscience Trivia (CD-ROM).


Thanks for playing!
See you again next month.