Frenchman Coulee/columnar basalt cliffs

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Really, quite spectacular, these cliffs rival the scenery of Utah deserts. They are the result of slow-cooling volcanic basalt flows that buried eastern Washington millions of years ago. Then the Lake Missoula floods thousands of years ago washed away a lot of the landscape, leaving these cliffs, some of the largest basalt columns in the world.

This is the Frenchman Coulee area (created by the Missoula Flood).
www.uwsp.edu/geo/projects/geoweb/participants/dutch/VTr...
Wikipedia article: http://en.wikipedia.org/wiki/Missoula_Floods
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Coordinates:   47°1'15"N   119°58'12"W

Comments

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This article was last modified 16 years ago