Photographer's Note

Being a "rock fan" not just the music over the decades, but also Earth's geology over the millennium, the Grand Canyon is one of my favorites for obvious reasons.

The Canyon has 40 major sedimentary rock layers going back 2 billion years. The Colorado River and its tributaries plus rain have carved the main canyon and many others. Differential erosion has left varying formations.

One of the best ways to sample the Canyon's geology is to saunter along "The Trail of Time" starting at the South Rim's Verkamps Visitor Center. Each meter walked along the trail represents one million years of geologic history, marked by bronze markers. Along the way are displays explaining the geologic history, ending at the Yavapai Geology Museum for even more information and physical knowledge.

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Additional Photos by Ray Anderson (photoray) Gold Star Critiquer/Gold Note Writer [C: 1203 W: 1 N: 3169] (13981)
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