Geologist Kirt Kempter leads his final series into the geology of Western National Parks for 2023, with an in-depth look at one or more locations every month. Each program’s content is enhanced by geologic maps, photos, and Google Earth flyovers to reinforce geologic concepts and interpretations.
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Glacier, Montana
The geologic processes that formed the mountains of Glacier National Park, established in 1910, represent a plate tectonic collision more than 40 million years in the making that spelled the retreat and demise of the great Western Interior Seaway. They are mostly composed of ancient sedimentary rocks dating back nearly 1.4 billion years. Fast-forward to the past two million, and Pleistocene glaciation has sculpted the dramatic alpine scenery we appreciate today.
Additional Geology of Western National Parks Programs
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