Wednesday, September 18, 2013

Geo 365: Sept. 18, Day 261: Devils Backbone

A set of radial dikes below Hillman Peak has been named "The Devils Backbone." Radial dikes are common features of volcanoes, as sheets of magma push outward from the central conduit.

Photo unmodified. August 18, 2011. FlashEarth location.

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