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Gold/Mining/Energy : Nuinsco Resources (NWI) -- Ignore unavailable to you. Want to Upgrade?

To: Just G who wrote (1124)	3/3/1999 11:59:00 AM
From: geo in vancouver	Read Replies (1) \| Respond to of 5821

Both PEM and TDEM are similar instruments. Both are designed to specifically identify Massive sulphides at relatively great depths - dependent on several variables. Both can be used on the surface or down the drill hole. I agree with EC's conclusion that the Odds are that it is a small deposit BUT it could expand at depth. thats why were drilling. geo in Denver

To: Just G who wrote (1124)	3/3/1999 1:29:00 PM
From: E. Charters	Read Replies (1) \| Respond to of 5821

Well Crone's downhole system will tell you the distance and direction to the conductor, even if you are inside another conductor. That is why it should be used for Kuroko situations. It is good for 100 metres from the conductor and just about unlimited depth. The thing is will not tell you size of conductor, just its value. "Vertical sounding" in IP will tell you depth and "probable" size. Surface TDEM has several ways of showing the depth and size to a degree, so does mise a la masse. Mag would tell you more about true size of the magnetic component if one can isolate it from the Gabbro. It was all Inco ever used and its first tool. The ore here is magnetic. So its size and depth will yield to far seeing gradient of magnetics. One thing is true. The size of the Gabbro is not related to the size and economics of the orebody if many models such as Lynn Lake or Thompson are used. (Structural Geology of CDN ore Deposits, Ruttan, Mercury Press) The ore is always post gabbro or post norite as in Sudbury and usually has hydrothermal origins. I think they will find that the ore is in shears and near contacts and related in age to the felsic intrusives/extrusives of the area. EC<:-}