Saturday, February 12, 2011

Layers Of Time

 Know        Kaibab Limestone
The          Toroweap Formation
Canyon’s      Coconino Sandstone
History     Hermit Shale
Study      Supai Formation
Rocks     Redwall Limestone
Made     Muav Limestone
By         Bright Angel Shale
Time         Tapeats Sandstone
         & the Vishnu Schist

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