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Petrified logs along the Crystal Forest Trail, Petrified Forest National Park

A small group of hikers along the Crystal Forest Trail, looking at the beautifully mineralized log sections in Petrified Forest National Park, in Arizona
Rebecca Latson
Thursday, February 13, 2020

The vibrant colors you see in these petrified logs come from quartz, manganese oxides, and iron oxides. It's hard to believe that millions of years ago, this semi-arid environment was home to lush swamplands filled with forests and now-extince reptiles.

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