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Gold/Mining/Energy : ASHTON MINING OF CANADA (ACA)

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To: Jesse who wrote (4794)	4/12/1998 8:01:00 PM
From: Jesse	of 7966

MEG Morsel Alert G.M.Ross, a geologist for GSC (Geological Survey of Canada), gave a very well presented talk on the terms/concepts of 'BHT' vs. the 'BHC' (Buffalo Head Terrane vs. BHCraton), first thing Wed. morning. - Briefly, Ross pointed out that the term 'Buffalo Head Craton' has been used to describe the region, yet the limits of the BHC have never been defined. The delineation of the BHT was based on potential field signatures, and refined by the examination and isotopic analysis of drill core samples of shallow basement. Ross explained how the Buffalo Head Terrane and the Chinchaga Domain to the west collided and have shared the same Preterozoic crust, remaining stable, since about 1.99Ga. Ross said the 2 have acted as one since. He concluded that given the similarity in geochronologic and isotopic evolution between the BHT and the Chinchaga Domain, the 2 elements as one should be considered "The Buffalo Head Craton." more to come! -j :>

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