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Field Trip Guide: The Geology Along the Trails West of NCAR

Field Trip Guide: The Geology Along the Trails West of NCAR

This guide will introduce hikers to the rocks and geologic history of the Front Range as seen along the trails west of the National Center for Atmospheric Research (NCAR) Table Mesa facility in Boulder, Colorado. Field trip stops include outcrops of rock formations representing inland sea deposits (Dakota, Benton Niobrara, Pierre) laid down before the uplift of the present Rocky Mountains about 70 million years ago, through rock formations (Fountain, Lyons, Lykins) produced by the erosion of the Ancestral Rocky Mountains which were uplifted approximately 300 million years ago. Walking the tour takes hikers down the geologic section through older and older rocks. Each stop in the guide has geographic coordinates (latitude and longitude) for use with GPS, and descriptions of rock textures, mineralogy, and fossils. A downloadable, printable version is available.

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