Ripple Rocks

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Ripple Rocks

Ripple Rocks

These ripple rocks are left over from an ancient sea that was thrust up to form these mountains. The material is said to be 1 billion years old. They are fairly common in the Coeur d'Alene Mountains. October 2009
mrh
on Nov 24, 2009 2:59 pm
Image ID: 576923

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