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Gold/Mining/Energy : Naxos Resources (NAXOF) -- Ignore unavailable to you. Want to Upgrade?

To: knight who wrote (12969)	5/17/1998 11:39:00 PM
From: Tim Hall	Respond to of 20681

Knight, A pre-wash might be possible. Some potash in Carlsbad contains 5 to 10 % clay which is "scrubbed " and separated from the salt and potash using cyclones. Then the potash is floated away from the salt. Since fluid medium is a saturated brine, the clay is then mixed with the salt and put through a vacuum press to recover as much brine as possible. It might be possible to wash the clay out of the ore prior to placing it in a leach pile, but I suspect this would be expensive. The gold mines in Nevada contain some clay. The ore is crushed and cement is added to the ore with some water and the ore goes through a pug mill. The cement mixes with the clay and forms little balls. The balls get hard since the cement sets up with the clay. This is done so the dumps can maintain permeability. Tim Hall