Blue dikes infuse yellow orange sedimentary rocks at Dawson Pass in Glacier National Park, Montana, USA

Blue dikes infuse yellow orange sedimentary rocks at Dawson Pass in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.

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Filename: 10GLA-2316.jpg
Copyright: © Tom Dempsey / PhotoSeek.com
Image Size: 5000x3321 / 5.6MB; http://www.photoseek.com/; abstract naturepatternGNP pattern
Contained in galleries: Montana: Glacier NP: stone patterns, natural abstracts

Blue dikes infuse yellow orange sedimentary rocks at Dawson Pass in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.