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Gold/Mining/Energy : Donner Minerals (DML.V)

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To: Ed Pakstas who wrote (4535)	5/14/1998 9:35:00 PM
From: 1king	Read Replies (3) of 11676

Ed, A typical approach looking for Ni in Labrador would be: Drill surface feature as defined by mineralized outcrop and/or magnetic anomaly and HLEM anomaly. A complete drill miss: Probe hole with multi-component TEM tool. Either no response or an off-hole. No response: move on Off-hole: Interpret direction distance and quality of conductor. Spot next drill on this and whatever geological information may be available. Possible surface survey with same loop if hit is shallow. A drill hit: Probe. An in-hole response plus possible off-hole. Determine spatial characteristics of both in and off-hole. Many possibilities after this depending on depth of hit: Borehole mise-a-la-masse for shallow systems IF the loop was put out in a proper fashion it would be most convenient to do a surface survey in conjunction with the borehole survey to give further spatial control if the mineralization is near surface. Spot the DDH on the basis of the results of this process. With two or more holes the surveys are interpreted in an more iterative process. The process of elimination is far to expensive. You can do a shit-pile of geophysics for the cost of one hole. Drilling is a last resort and is no where near as "speculative" as the common press would have you believe. Surveys can see 200m off-hole as a rule of thumb. But this is more correctly presented as they can "see" the same distance off-hole as the largest dimension of the leading face (closest to hole) of the conductive body. Hope this helps, anything not clear just ask. 1King BTW If you are worth your salt you should be able to call the drill results fairly well before the drill ever turns.

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