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Gold/Mining/Energy : ASHTON MINING OF CANADA (ACA) -- Ignore unavailable to you. Want to Upgrade?

To: Famularo who wrote (5292)	6/4/1998 12:07:00 PM
From: Jesse	Read Replies (1) \| Respond to of 7966

K-14 minibulk sampling showed 36cpht-- Note that Ashton's size cutoff was >0.8mm in 2 directions (using a 0.8 mm square sieve). Ashton K-14 minbulk NR (Nov.11/97): ashton.net.au Further mb reports from K-14 including 14B&C 'lobes' yielded results from 2-43cpht: ashton.net.au In terms of valuation, we have heard of how gem quality stones have consistently been turning up in Ashton's samples, but we must wait for the figures (PUG's Sheldon says 70-75% of the time thus far!). Realistically, 1,000's of carats are needed to reliably assess value. My guess is we should end up w/ at least $50/ct, likely upwards of $75+ (strictly a guess! -could be lots higher too). See here for some comparison of pipes around the world (scroll down): Message 2799606 -------------------- Also, remember this comment I posted after the K-14 minibulk results and subsequent discussions on this thread, as offered by an expert: To compare a new pipe with established pipes requires a mining "reserve" calculation on the new pipe. Ashton hasn't even calculated a mining "resource" grade yet. So there are two important steps to go. Each step involves a stricter cut-off standard whereby tonnes are dropped to optimize the economics of the orebody. This invariably increases grade. A reasonable rule of thumb is to take the early estimates and cut half the tonnes, that is, exclude the lowest grades. Going back to the Ashton K-14 news release [Nov.11/97], exclude the pit samples and take the weighted average of the best three and best four holes, then take the average of the two results. This will yield a post-mining reserve cutoff grade of about 0.66cpt. Just a speculative guess so far but I suspect it will prove to be on the low side since the sampling factors during the early stage of diamond exploration tend to skew results strongly to the conservative side. -------------------- Cheers, -j :> Donald Sheldon's report of Ashton's AB gem quality showings: Message 4038243