CNN The Situation Room April 15, 2014 22:43:00
Toe and having that kind of pressure all the way around. that is really a tremendous amount of pressure to exert on a piece of machinery. and last of all, wolf, what's down there? the bottom of the ocean, largely all over the world, is comprised of silt. silt is the leftover bits from decaying plants and animals and volcanic ash and interstellar dust and dirt and all sorts of things. it can be of different depths in different places. they routinely take cores of this that might be 100 feet or more in length, that sort of thing, and it can be hard or it can be soft. if it is soft and easily man...
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