Rock Layers Bookmark

Regular price $9.99

Geologists from all over the world come to study the layers, or "strata" of the Grand Canyon. Nowhere else on earth is there a more complete record of the Earth's history with billions of years exposed by erosion. 

  • Lightweight metal bookmark demonstrating the geologic column of the Grand Canyon.
  • Each rock layer is labeled.
  • Measures approximately 4" long. 

 


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