Donner Minerals (DML.V) Message Board

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

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To: VAUGHN who wrote (9826)	11/27/1998 9:47:00 AM
From: 1king	Read Replies (3) of 11676

Vaughn, 1) Yes, in a technical sense it would be appropriate. I had completed a fairly intensive rock property study that indicates that the densities of the rocks and minerals involved were in sufficient contrast. We had discussions with the INCO GP responsible for the 3-D seismic at Tril and a guy here at BIO who is probably one of the foremost authorities on seismic investigations of mineral deposits. However the logistical component was an absolute nightmare. A seismic survey requires a lot of support, cash, "infrastructure" and extra permitting. All of which make a seismic survey just NOT practical in Labrador. I would look at N Voisey the "day" after reasonable infrastructure is in place to see the first 3-D program being shot. I know the GP-tech in the VBN office in SJ has been repeating a lot of my physical property work in prep for a 3-D study someday. Hopefully sooner than later. 2) I am not sure of what you are asking here? A reasonable program would be considered a "stratigraphic program" of holes systematically drilled at 400m centres and then probed. In theory the borehole EM would "see" any economic size orebody. Two things usually happen, a minor hit that gets chased and the original program abandoned, or a few empty holes and the program gets abandoned from fear and negative internal PR. I think you were asking if we drilled below the confusing conductive blanket and explored from there down??? Reasonable, except the blanket can host an/the orebody. Above or below, the ore is going to be spatially/chemically etc. related to mineralized olivine-gabbro/troctolite nearly anywhere we look. So one must look for ore where it is most likely to occur not where it is "easier" to explore, so to speak. 3) This is an excellent, excellent question. It was this first question I asked when I began the deposit work. I was convinced that there had to be flow indicators in the massive sulfide if it was a later pulse and especially since gravity settling was ruled out early. I asked the geos and studied some core to determine if there was any preferential fabric but the question was not resolved in my time there. I also completed an extensive study of the anisotropy of magnetic susceptibility (AMS) to determine a magnetic fabric. There was some AMS but no systematic data could be gleaned. I should say that I believe this issue has been studied very thoroughly over the last two years by the VBN geos and an answer may have been found, or at least the issue may be advanced beyond the stage I left it at! Regards 1King

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