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Gold/Mining/Energy : Golden Eagle Int. (MYNG) -- Ignore unavailable to you. Want to Upgrade?

To: the Chief who wrote (11473)	7/29/1998 1:51:00 PM
From: SteveWW	Read Replies (2) \| Respond to of 34075

Chief The most of the gold seems to be found in the Cangalli Formation which is made of of conglomerates (Sedimentary Rock). This is different than the soft overburden. The cangalli formation seems to consist of rocks varing in size from boulder to very fine silts which is a good indication of some very high energy events. The Canaglli formation is around 500 - 1500 meters in depth. Then the Cangalli formation is sitting on slates (Metamorphic rock) which is a great contact to distinguish the two formations. SWW

To: the Chief who wrote (11473)	7/29/1998 3:48:00 PM
From: toma	Read Replies (1) \| Respond to of 34075

Hi Chief, the numbers you present are curious. The Tipuani is a very mature river valley and alluvial sequences of the thickness noted the Paravicini report are ceratinly not unusual by any stretch of the imagination. A thickness of .5 to 1.5 meters is more indicative of the thickness of the soil layer above the parent material - which can be anything from rock (consolidated bedrock - in this case it would be anyone of the local Ordovician metamorphic series (slate - schist)) to sands and gravels of the alluvial sequence. I wonder if they are simply refering to the soil layer above parent material - but, my thoughts are alas only conjecture. A couple of thoughts. The morphology/geology of the Tipuani has never been in question. I have no problem, having looked at the cross sections, geologic maps and other geologic information believing that the alluvial sequence is as thick in places as reported in the Paravicini report, though it is certainly highly variable. As a quick reference to your question I looked at the one cross-section provided on GE's web site and indeed the Tipuani flows on (or near) Bedrock in parts of the area. In addition, Guido made no statement to effect of 'the entire claim is _____ thick.' So, all in all, i think it's a non-issue. However, I am interested in reading the portion(s) of the paper(s) to which you refer to find out exactly what the author means. If you would like, e-mail me as much text as you can directly, taanders@mines.edu, and I'll take a look and get back with you - if there is anything significant you can post it since this is my last for the day (Colleen was right, I wasted one...). Also, you were questoining the "grab" sample. A "grab" sample is simply a sample that represents a point; as opposed to a "composite" sample, which is a sample consisting either of a bunch of grab samples that have been combined homogenized (mixed thoroughly) and then subsampled (all parts are assumed the same after mixing), or a large volume of material that has been homogenized and then sampled (e.g. you collect 1 cubic foot of soil, mix it, and sample it = this is a composite of that volume). "Grab" samples can and are collected during drilling operations. I understand your concern, however, and it lies at the center of the question of accurate representation of the deposit; that is, are the samples collected by Mr. Paravicini representative of the whole shabang, or were the locations too selective, and only small portions of the deposit can be defined using his results? We will eventually find out... hope this helps...and feel free to e-mail me, toma