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11,072 Posts.
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04/03/10
14:22
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A bit of a technical question for anyone who might know, I see that dredging is one of the options WTN is looking at to extract the manganese.
Now, I'm guessing here, but I would imagine the manganese is quite consolidated...maybe not like granite, but more so than coal for example.
Are there dredges out there that could pull up this stuff, or are we talking new and untried concepts?
Might cost a bit more, but I think I'd sleep better if they went with the sea wall option.
Thoughts anyone?
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