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Gold/Mining/Energy : ECHARTERS
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To: CLK who wrote (2439)3/19/1998 8:26:00 AM
From: Bill Jackson  Read Replies (2) of 3744
 
Yes, that process allows for portable neutron making boxes to be shipped around safely. By choosing the box raw materials you minimize any lingering induced radiation, and you can use them for grade control.
One problem is they are still not good enough for gold deposits, say 1 ounce or less per tone takes a long time to read and has a noisy signal. For copper(at 1% copper you have 320 ounces per ton) and other base metals it is very good.
They have had heavy truck mounted boxes with shielded neutron sources inside for years now to do the same thing. Tres expensive and heavy.

With pure metals you need only a tiny exposure and you can do it in real time while processing.

Bill
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