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Politics : Gold and Silver Stocks and Related Commentary -- Ignore unavailable to you. Want to Upgrade?

To: orkrious who wrote (9223)	3/21/2005 7:17:11 PM
From: Claude Cormier	Read Replies (1) \| Respond to of 18308

Promising results if they can develop tonnage. The grade is a tad low...but depending on others results could work.

To: orkrious who wrote (9223)	3/21/2005 9:50:36 PM
From: hank2010	Read Replies (2) \| Respond to of 18308

Orkrious: It is a porphyry and given the long intercepts, they probably will develop good tonnage. The gold values may be decent, but not great. The problem is that they have copper. To get the copper one needs to grind and float (froth flotation)the copper, and hope the gold comes out with it. A conventional copper flotation mill requires large capex compared to heap leaching. If there were no copper, one could heap leach very cheaply (provided the rock had sufficient porosity), but copper will get dissolved quicker than the gold in a cyanide leach (consuming the cyanide), and there will be more copper than gold, and cyanide costs more than you can sell the copper for! Therefore there are met problems (that can be solved by using grinding and flotation)but the extra costs mean one needs extra grade. (and these grades may be decent, but they are not great!) But maybe they will find lots more copper, or lots more gold, or both (or neither!)