POTD November 19, 2013: Mirror Lake, Uinta Mountains, Duchesne County, Utah

Mirror lake, Uinta Mountains, Duchesne County, Utah
Photographer: Ken Krahulec

Mirror Lake nestles among 11,000-foot peaks of the western Uinta Mountains. The rocks of the Uintas, consisting largely of sandstone and shale of the Precambrian-age Uinta Mountain Group, contain microscopic bacteria nearly 800 million years old that likely represent Utah’s oldest fossils.

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