BITA: Geology
  • How was Lake Superior created?
  • What is a sea cave? How do they form?
  • What is a sea stack? How do they form?

    Places to look for answers:

  • Sea Caves
  • Apostle Island Geology

    Laboratory: Rocks of Lake Superior

  • What is sandstone? What does it look like?
  • What is an agate? How do I find one?

    Places to look for answers:

  • Minnesota's State Gem: Lake Superior Agate
  • Lake Superior Geography (Lots of photos!)

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