About, Mountains & Geology
The Spanish Peaks are geologically distinct from the faulted and uplifted mountains of the Sangre de Cristo range to the west. To the geologist, the Spanish Peaks are prime examples of stocks—large masses of igneous rock layered by sedimentary rock and exposed by erosion. Stocks 27 million years ago, pressures and stresses built up by [...] Tags: dikes, geology, mountains, stocks
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