Iron Miners
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 Post subject: Gross vs Net
PostPosted: Thu Mar 31, 2016 9:11 am 
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Joined: Thu Mar 31, 2016 9:02 am
Posts: 1
Location: New Jersey
Been recently exploring some of the old mines in the Harriman, NY area.

In looking at the yardage of rock that was removed, the question came up of how many yards or tons of rock had to be removed in order to realize a pound of iron? Obviously this would depend on geology, but what percentage would make it practical to continue mining vs abandon?

Thanks and be safe!

4r


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 Post subject: Re: Gross vs Net
PostPosted: Sun Apr 10, 2016 7:13 am 
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Joined: Mon Oct 07, 2013 4:48 pm
Posts: 4
Location: phila, pa
For what it's worth (probably not much) in the tv series Deadwood, the character George Hearst (played by Gerald McRaney) says he won't bother with "the color" unless it's at least 4%.


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 Post subject: Re: Gross vs Net
PostPosted: Thu Jun 02, 2016 9:05 pm 
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Joined: Sat Nov 19, 2011 10:49 pm
Posts: 9
steve100254 wrote:
For what it's worth (probably not much) in the tv series Deadwood, the character George Hearst (played by Gerald McRaney) says he won't bother with "the color" unless it's at least 4%.


I think he was referring to gold.


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