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Gold/Mining/Energy : Gold and Silver Juniors, Mid-tiers and Producers

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To: E. Charters who wrote (14874)	7/1/2006 2:05:52 AM
From: E. Charters	Read Replies (1) of 78416

Rereading this I see some components my eye had not settled on. 1. the tailing is oxide. I presume that means that it may not affect cyanide in a deleterious way. 2. the tailing need to be agglomerated. This is presumably to overcome blinding rivulet effects as may be created by a clay and minimize absorption times. 3. there is a fairly high capex to the operation of 16 mil. If it proceeds throughout the year, then it is only 1500 tons per day. Heaping smallish amounts of ore like this should cost less than that. If leach times are 45 days per heap, then 60,000 tons need be heaped at one time more or less. That is 8 1000 foot heaps 28 feet wide, and 11 feet high. You need a mixer, truck, stacker, pads, piping, collection tanks, and Merril-Crowe plant-precipitator. This imho should be a lot less than 16 mill worth of equipment. Perhaps it could be done for half that. Work-ups I have in hand do point to a similar cost to handle tailings as far as throughput is considered, however. EC<:-}

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