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Gold/Mining/Energy : Winspear Resources -- Ignore unavailable to you. Want to Upgrade?

To: Walt who wrote (14890)	2/17/1999 12:50:00 PM
From: Sudhir Khanna	Read Replies (4) \| Respond to of 26850

I believe Winspear's goal is to collect at least 5,000 carats. The amount of carats needed for a statistically valid valuation is specific to each case in question. For example, if we had a kimberlite body with 3 or 4 phases, than an appropriate sample from each phase will need to be collected. The biggest unknown at the moment is the quality of the stones in the dyke. The large sample is needed to establish, with some level of confidence, the value of the diamonds within the dyke. The large sample will also help WSP establish confidence in the size distribution model. From the Feb. 4/99 issue: "There is a difference between production grade and CF grade. In order to attract production financing, Winspear will have to provide the bankers, with a significant level of confidence, a production grade. It is too early to guess at production grade. The goal of the size distribution modelling is to provide an estimate of production grade. I would expect this grade to be similar, if not better, than the grade from the mini-bulk samples." In order to begin estimating production grade, WSP will have to make sure it recovers enough stones from the various size classes in order to increase the confidence of the size distribution curve. Sincerely, Sudhir Khanna, P.Eng. Editor, The RESOURCE INDICATOR goldsheet.simplenet.com FREE Trial: mailto:khannas@interlog.com?subject=WSP_FreeTrial