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Quote of the day: Undersea mining a 'possibility'

Marine geology professor tells a conference audience that undersea mining could begin in a few years.

A professor of marine geology said commercial mining companies are studying the possibility of extracting silver, gold, copper and other valuable metals from the volcanic vents found in the world's ocean floors.

"What is driving it is the increase in metal prices," Peter Rona of Rutgers University said at the 2005 American Geophysical Union, a conference on earth sciences taking place this week in San Francisco. "It is not out of the realm of possibility" that undersea mining could begin in a few years, he added. Click here for the full story.