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Gold/Mining/Energy : Winspear Resources

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To: Claude Cormier who wrote (18986)	5/3/1999 2:09:00 PM
From: Gord Bolton	Read Replies (1) of 26850

1) All of the ore in the dyke was put in place at the same time. 2) Kimberlite dykes tend to have consistent grade. 3) Caustic Fusion of drill cores from around the lake show cosistent micro-macro count and grade. 4) Mill run grade can be predicted quite accurately from analysis of relatively small amounts of kimberlite. 5) CF results predicted grade of mini-bulk. The ore in the dyke was mixed at depth and during transit over 300 kilometers. It should not vary much over 1 kilometer. Gold may be deposited unevenly in a geological formation for a hundred and one reasons. Bottom line certain process need to take place to concentrate gold in a rich vein or even in a lower grade bulk deposit. The kimberlite including the diamonds exist at depth. The challenge is to get the diamonds near surface with out losing them. The ore must stay within a narrow temperature range-under pressure- and then cool rapidly to preserve the diamonds. Too hot-vapour. Too cool-may as well be coal. REX diamonds website has some more info. rexmining.com Go Information.

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