Over all of history, the ore grade (percentage of rock containing desired metal) for higher-value metals like copper, nickel, molybdenum, and magnesium has been declining; typical copper ore grades are 1%, meaning mining 1 ton of ore yields only 20 pounds of copper plus tons of overburden rock.
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Unidentified Speaker — Mark Mills: The energy transition delusion: inescapable min… [sgOEGKDVvsg]Evidence Quote
“copper or grades are typically one percent that arithmetically means that you have to dig up a ton of ore to get to 20 pounds of copper”
Created: 8/11/2026, 1:28:24 AM
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