Bruno's
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Union Pacific crossing the Black Rock Desert
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Fisher Towers trail
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Fisher Towers
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Fisher Towers
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Trough crossbeds, Cutler Fm. (Permian), Fisher Tow…
Trough crossbeds, Cutler Fm. (Permian), Fisher Tow…
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Conglomerate


In Cutler Formation (Permian), Fisher Towers, Utah. The nice round cobbles and pebbles were weathered out of metamorphic rock in the Uncompahgre uplift immediately to the east (the so-called "Ancestral Rockies"), so now they're second generation erosional debris! The Cutler is about 250 million years old, and those metamorphic rocks were already ancient then. A striking example of "deep time...."
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