         National Geographic Photo of the Day: Bartolome Island

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Photo of the Day   February 27, 2007    PREVIOUS [4]   |  NEXT [5]
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Pinnacle Rock, Bartolome Island, Ecuador, 1986 Photograph by Sam Abell
Pinnacle Rock looms under a brooding sky off the Galpagos' Bartolome
Island. The island's most famous feature (it even got airtime in the
movie, Master and Commander ) is actually an eroded lava formation
called a tuff cone. When hot lava from a now-extinct volcano on land
reached the sea, the temperature difference caused explosions,
producing thousands of thin layers of basalt ash that eventually formed
into this towering monument.

(Photograph shot on assignment for, but not published in, the National
Geographic book Majestic Island Worlds, 1986)    RELATED
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