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Devils Postpile Detail_48810006.jpg
A fine art abstract and detail of columnar basalt at Devils Postpile National Monument, near Mammoth Mountain, California.  The diagonal colums have touches of orange lichen with negative space in the upper right.  The columns were created by an ancient lava flow, and the columnar jointing was the result of the way the lava cooled.  A glacier then polished the column surface with noticeable glacial striations.  A cross section would reveal that the columns are hexagonal, an occurrence found in several other parts of the world, including Iceland, Ireland, Mexico, Massachusetts, and Yellowstone.