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E_Nygma said:
I don't know. Large deposits of pure (ish) metals seem to come from very old mountains that rise toward the surface as their tops get worn away through erosion, and the minerals left from erosion are typically excellent fodder for plant life, so you may be correct. I live in some of the oldest mountains on the planet, I believe the oldest mountains are in Appalachia the newest include the Alps, the Rockies, and Hawaii, which is still forming as we speak. Iron and Copper were both so plentiful in the western Upper Peninsula that during World War Two, miners in these areas were exempt from the draft as the fruits of their trade were considered vital to the war effort.


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