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Gold/Mining/Energy : NDT VENTURES

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To: Elizabeth Andrews who wrote (917)	1/3/2001 9:08:45 PM
From: Claude Cormier	Read Replies (1) of 992

<Where's the evidence of excellent metallurgy? > Too early to conclude that...but bottle roll tests average 90% recovery which is a good start. Very few sulfides in the ore ... mostly oxides. <Which mine processes heap leach material for $3/tn when the stripping ratio is about 4:1 which about what this appears to be? > At 4:1, it is very hard to get below $6 per ton... but where do you see 4:1 on this one. It will be well below 2:1, possibly 1:1... Have you made a few computations ? <If metal loss is 20% and the stripping costs from $1.50 to $2 per tn and the grade is 1.2 g/tn > Eliz...mining waiste on the top of a ridge like Antana will be $1/ton and below. <. If the recoveries are 65% which is more normal what then? > 65% for ore that appears to be all oxidized with very little clay and bottle rolls tests saying 90% average..?? Can we agree on at least 80% probably 85%. <What is the leach rate at 3/4" crush? > That is unknown for now... SO I agree with you that this is not clear cut... but there is potential ...very good potential. CC

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