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Gold/Mining/Energy : Nuinsco Resources (NWI)
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To: mineman who wrote (2119)3/22/1999 11:08:00 PM
From: E. Charters  Read Replies (1) of 5821
 
Well statistically you are not correct. In fact as I stated it has never been found in the 100's of bodies drilled in nickel in Canada that the size of the Gabbro plug had squat to do with the size of the orebody underneath it. At first glance your theory is attractive if you accept that God allowed you alone to see exactly how the ore formed. Unfortunately he did not allow myself to see that either so we are back to correlation with existing deposits. For authority I direct you to the GSC memoir the Geology and Economic Minerals of Canada parts 1 and 2. You will find the relevant information there under the areas I spoke about.

The actual potential is therefore unknown. Even if you adhere to the theory that the body had to contain X amount of sulphides it is still with 1.8 billion years of erosion largely unkown how large the body was originally. It may well have been 5 miles wide and 2000 feet thick. In fact it is probable that the entire string of Gabbros at one time were one rock mass, perhaps 50 or a 100 miles long. We can see like features in the remnants of the large arc of mafics in the Manitoba camp. Previously Interconnected mafic bodies prior to the extreme peneplanation that the shield has seen may have deposited nickel in troughs from a wide area. The roots of these sills are all we see today.

I have special reason for believing that, that flies in the face of your theory of emplacement. It was probably like the Diabase sill in Cobalt. There we can see almost 1200 feet of erosion from fault evidence. It may have exited on the paleo surface as part of an island building volcanism like Hawaii and eroded to the sea bed level in the intervening eons.

EC<:-}
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