. billion years ago, long before park, mountains or even advanced life, the area of land now known as Glacier National Park, was home to a giant inland sea. This shallow sea, the Belt, lay down mud sediments rich with iron. Both the ripple marks and the rust color of this rock - now high in Glacier's alpine - help to demonstrate how long this place has been in the Marks.

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Keywords: .., alpine, america, american, backcountry, backpacking, conservation, country, geology, glacier, glaciers, hiking, history, land, lands, montana, mountains, national, natural, nature, nps, park, parks, preserve, public, rocks, scenery, service, trail, usa, widlife, wilderness