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Gold/Mining/Energy : Golden Eagle Int. (MYNG)

MYNG 0.0700

+5.7%

Feb 21 4:00 PM EST

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To: SteveWW who wrote (11477)	7/29/1998 5:48:00 PM
From: E. Charters	Read Replies (1) of 34075

high energy events? hmmmmm... hello. But the gold will settle to the clay of bedrock layers. Big bucks to run placer in Bolivia. Not saying it cannot be done but California operations ran at 15- 50 cents a yard. Today that would be 3-ten bucks. That is max .02. The yardage in the '49 operations was phenomenal and would not be economic except hydraulically. We are talking in the 1000's of yards per hour. This is a major downstream problem. The sluice boxes were 1/2 mile long, 20 feet wide and 8 feet deep and they ran at 25 miles an hour. A horse could drown in them. The monitors could shoot water 2000 feet and kill a horse at a 1/4 mile. Without mercury the recovery would have been abysmal and even then it was spread over 1500 feet with the best values in the first 200 to 500 feet. In order to recover grades like this today a major power screening operation and washing plant would have to feed a spiral system with sands. That is the only way to keep water use and subsequent downstream contimination low and recovery high. The spirals operate at 40-60% water, a sluice box at 90%. Tonnage in a low grade place like that would have to exceed 50,000 per day to pay. EC<:-}

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