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<p>[QUOTE=&quot;mikem2000, post: 1910266, member: 30574&quot;]You are looking at it backwards.&nbsp; Sure the quality of ore mined today is much lower in quality than it was 100 years ago, but why is that?&nbsp; Thge answer is really more efficeint mining techniches, rather than lower ore quality.&nbsp; Back then, you NEEDED much more pure ore to be able&nbsp; to extract it in a cost efficient manner.&nbsp; So if you took a cross section of all ore mined, it looks like there was just a whole bunch of high quality ore lying around.&nbsp; As mining techniques improved, miners started going after the lower quality ores, for the simple reason they could, so when you look at the average ore quality it appears to be going down, but that only reflects that miners are going after ore that would not have even been considered before.&nbsp; The over all ore quality remains generally the same.&nbsp; Now when you look at it in this light, the picture totally changes, and the available pool of silver is actually expanding since we can now go after silver that was previouly could not be mined.[/QUOTE]</p><p><br /></p>

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