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Gold/Mining/Energy : Manhattan Minerals (MAN.T)
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To: Gerald Walls who wrote (2614)6/26/1999 7:38:00 PM
From: Jeff Dickson  Read Replies (1) of 4504
 
I seem to remember hearing something a couple of years back about some firm wanting to pump leaching solution of some sort into the ground and then pump out the pregnant leach later, but I think that would guarantee ground water contamination and would never fly. This isn't what you're talking about, is it?

No, I don't think that's it. What you are describing sounds like "in-situ leach" which is used in Uranium mining. That's been around for 30 years, and has been used in many places like Texas, Wyoming, Australia, and many European nations. It does bill itself as environmentally friendly, but as you say, ground water contamination is the big problem. The leach solution itself is fairly benign, but the heavy metals that get dissolved are the problem. At least, that's my understanding.
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