total revenue for rocklands $us17.8 billion, page-38

  1. 1,256 Posts.
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    Pat

    "How can mining a very small percentage of the deposit first manage to decrease dramatically the overall average resource grade."

    Pat easy if the small percentage is very high grade...would you like me to do some math calcs? I did a year or two ago on this site.

    WW comments are spot on IMO!

    xx
 
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