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To: Mike Gold who wrote (11512)7/29/1998 6:46:00 PM
From: E. Charters  Read Replies (4) | Respond to of 34075
 
There have been placer gold grades of that tenor and higher. They invariably refer to the basal formation a metre or so thick and are very non-continuous. IF you tried to convince me that a 100 metres or so several miles long were running that I would quietly hand you a shovel and walk away.

Thoughout the world there are volcanic, sedimentary and intrusive deposits of gold and they are comparative in grade whether they are concentrations from earlier deposits (South Africa, California, BC, Russia) or primary concentrations related to intrusives, (Spain California, Canada) or secondary deposits that were originally hydrothermal (Pacific Rim, South America.) The highest grade deposits
such as Gold Strike, Nevada register phenomenal grades of gold for many tons (700.0 ounces gold in Nevada for the first 500 feet in depth.) These are mesothermal deposits.

So we have many hundreds of years experience to draw upon to refer the grade of a deposit to its size and other factors.

If you automatically want to draw inferences about size and grade you are going to get a pile of doubt without the other factor of proof being there. Statistical relevance of your sample size. Geological inference or not, we must know, type of deposition, number of samples and variability of samples to draw a conclusion. If it is a true sedimentary formation then I will tell you that average grade could be remarkably variable as well as the thickness of the formation. It then requires hundreds of samples to determine. If it is a hydrothermal breccia its extent would be limited by the structure.

We do not have a definitive picture of any of these necessary factors so it is hard to say.

echarter@vianet.on.ca

The Canadian Mining Newsletter

EC<:-}



To: Mike Gold who wrote (11512)7/30/1998 7:39:00 AM
From: Don Rohner  Read Replies (2) | Respond to of 34075
 
Mike/Mr.Charter
You have misquoted the Guido's report it was about 14g/cubic meter which is more like 4-7gm/ton. Also if you carefully use the May release and do some quick ratio's/ calculations from the posted report to this report you will find that the 4-7gm/ton easly comes out again in the May report. I did this ratioing and posted back in May!

In addition "if" this all has been upfront/honest with reliable information then we don't have to keep arguing if it is going to be profitable because we have a published figure of $170 total cost per ounce. Therefore we can all "guess"/use previous comparisons but because the claims about this deposit are so far outside of our known experience it is either a "big lie" or so unique that only 3rd party could ever make this more than a fantasy. All the mining minds in the world that come on this thread and open up their "bag of experience" can only in the end wait and see because again the published reports are beyond anybody's experience! All the experts can do is tip toe around this one or tell us that it is a "joke" based on there lists of experiences/education. I do appreciate them because of the needed education value that they added but this deposit is either going to re-write text books or destroy the reputation of up until now a renowned geologist. So at this point you either gamble on Guido's previous/present publish info or go to the next play! You must determine the risk you are willing to live with as always!

Mr.Charter:

Glad to see you! Really didn't want to hear you when you used good logic on NPA thread. However I have learned!
As I said we are either rewriting text books or being played with here; there is no in-between!
DR