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Eagle Rock – Colorado — Photo

August 17, 2007
clipped from epod.usra.edu

Today's Earth Science Picture of the Day.
Provided and copyright by:

Mikolaj Sawicki
,
John A. Logan College

This naturally sculpted American eagle watches over the high plains of Colorado from its perch among the Boulder Flatirons, in the foothills of the Rocky Mountains. It has been keeping a keen eye on the surrounding landscape for millions of years, ever since the pinkish sandstone rocks of the Fountain Formation were deposited 290-296 million years ago. This formation was uplifted during the Laramide orogeny period of mountain building that began approximately 70 million years ago and ended about 40 million years ago.
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