Possibly, but you need to put a lot more energy in to melt rock than you do to break it. So around the point source of a nuke, you'll get a small volume of melted (and vapourised) rock surrounded by a much larger area of broken rock.
As for verification, the Soviets certainly let nukes off like firecrackers, but no thorough review is available of their successes or side-effects (wikipedia on this topic).
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Date: 2010-05-30 09:47 pm (UTC)As for verification, the Soviets certainly let nukes off like firecrackers, but no thorough review is available of their successes or side-effects (wikipedia on this topic).