In a message dated 7/10/00 4:21:54 PM, [log in to unmask] writes:
<< In my interpretation, both cement and alumina are manufactured using mined
commodities as feedstocks. If you prefer the interpretation that alumina and
cement are mined commodities, you have the problem of what to call a cement
works or an alumina refinery - are these mines (or quarries?). Don't think
so...
>>
I was just reporting what was reported in our most respected publication of
the mining industry in the US. They report these as mined products just as
they report copper as a mined product. I would balk if they reported tons of
copper wire produced however.
Mason
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