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Geology Tours Highlight Area’s Unique Natural History

By January 2, 2013 No Comments

The defining characteristics of life in Aspen valley — be they economic, recreational, physical, spiritual, or even political — are tied to geology.  So every Wednesday, retired Science Teach Mike Flynn leads a public “geology tour” on Aspen Mountain, where he points out and explains the area’s unique characteristics. There’s no better place than the Aspen area to see firsthand so many different geological phenomena, from ridges formed by glaciers running down the gut of Highland Bowl to volcanoes, in the form of Basalt Mountain and Grizzly Peak.  “There’s unique geology everywhere, but we have everything here.”
Ever wonder where the Sawatch Mountains end and the Elk Mountains begin? According to Flynn, the boundary is a fault line running near Castle Creek. All that separates Ajax — the last hill of the Sawatch — from the other three ski areas is a mountain range and 35 million years. That is the approximate age difference between the Sawatches — which once stood 30,000 feet high — and the younger Elks, Flynn said.

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