Black Smokers

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by videotape and "deep-diving submersibles". Last summer a team from the University of Washington and the American Museum of Natural History accomplished the task of bringing four "" to the surface. The method that the team used for retrieval was quite interesting. The team followed a "loggers technique" for detaching the smoker from the Earth’s crust. They used a "choker", like the cables loggers use to drag downed trees to waiting trucks. Another "logger technique" that the team used was a chainsaw. But this one was different it was hydraulically driven and covered with a diamond-coated blade. Even thought the stacks are hard, they are also very brittle. Beside the precautions they had to take for preserving the stack, the team was working under 18,000 feet of freezing cold water and they had to pull it back up to the surface. The time in which it took for it to reach was about two hours through icy cold pacific water. One of the pillars when it reached the surface was ...

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