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To: goldsheet who wrote (90049)9/26/2002 1:06:04 PM
From: E. Charters  Read Replies (1) | Respond to of 116834
 
The government has a gold mine where the grade is a uniform 50% of the money everyone makes and it never seems to vary. Perhaps the gold miners should use their grade mixing techniques.

Grades may be variable in mines. Engineering skills of grade determination vary between companies too. That is the story of mining. Determining what to mine and what it runs. It isn't always ABC. It isn't easy to guess just what to drill either or what sort of veining metallurgically and structurally is going to make money. This is partly an art as well as a science. There are a lot of sweet veins that go unmined because mining companies do not understand what is easy to mine and make money from, and what is tough. A lot of people feel that narrow vein, sharply cut-off, pure quartz, 0.25 ounce veins in andesite are a curse. In fact they are dead wrong in this. Many, many of these styles of veins have laid fallow for decades while the pundits who have never mined an ounce declaring these properties as not viable. The whole town of Val D'Or however, depends on their livelihood since the 1930's on mining just these style of veins. And Timmins, and in particular Dome mines is very similar in this respect.

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