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Gazing into the Past

Warm morning light bathes the canyon as clouds build above. Grand Canyon National Park, Arizona.Sometimes, what you don’t see may astound as much—or more—than what you do see.

If, for example, you were standing at the edge of the canyon where I created the current photo of the week, you might marvel at the erosion that has sculpted the canyon. Looking down, you can see for yourself how the Colorado, together with the forces of wind and weather, has stripped a mile or so of rock and sediment away to reveal the very foundation upon which the Grand Canyon grew to impressive heights.

But what don’t you see from your lofty perch at 7,000 feet of elevation? The mile of additional sedimentary rock that once stood atop the current height of what-is-now the Grand Canyon.

That’s right, geologists tell us that the sedimentary rock laid down slowly over many millions of years actually extended another 5,280 feet or so above the current height of the South Rim.

After a few weeks of editing (and Grand Canyon research), I now have a gallery of images available in addition to the photos I’ve published here over the last few weeks. You can see those photos (which include a couple of images from the Santa Fe area) in a new Grand Canyon gallery. Enjoy.

We wish you all a Happy and Healthy Thanksgiving.