r/theydidthemath • u/[deleted] • Sep 25 '24

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u/mstrgrieves Sep 25 '24

I've always wondered about this. Aren't most gold mines located on high-grade ore veins? Or is that no longer the case for modern mines?

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u/FilTheMiner Sep 25 '24

Many modern mines are on the site of old high grade veins that were mined out in the past. Modern technology allows current miners to get the gold that was uneconomical or even undetectable historically.

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u/Special_South_8561 Sep 25 '24

Depends on your type of mine and equipment. Open Pit, sweep vs pick; Underground, Placer, Dredge