Thanks to those who responded to my original message in which I posed a question about hydraulic fracturing. My question was, however, not answered. Let me quote from an email interchange with a top-rated expert in mining:
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"The mineralization is not unique as some have proposed. Hydraulic fracturing is a very common event in mineralized systems."
I suppose at this point I'll accept this as a clear perspective about the subject. I still expect that Golden Hope will prove that it has a reasonably large and mineable deposit but I would have been more comfortable in believing that they had a very unique geological strucutre.