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ClueBot NG (talk | contribs) m Reverting possible vandalism by Doodoohead38 to version by Rjensen. Report False Positive? Thanks, ClueBot NG. (4074260) (Bot) |
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Another issue was that European mines were exhausted of silver ore and gold. What ore remained was too deep to recover, as water would fill the mine, and technology was not sufficiently advanced enough to successfully remove the water to get to the ore or gold.<ref>{{cite web | url=http://www-geology.ucdavis.edu/~cowen/~GEL115/115CH7.html | title=Exploiting the Earth | access-date=2007-10-17 | author=Cowen, Richard | url-status=dead | archive-url=https://web.archive.org/web/20071009180929/http://www-geology.ucdavis.edu/~cowen/~GEL115/115CH7.html | archive-date=2007-10-09 }}</ref>
A second argument is that trade during the youth of the Commercial Revolution blossomed not due to explorations for bullion (gold and silver coinings) but due to a
===Technological factors===
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