Manufacturing
Pages 181–184 (4 pages)
Text on page 183
Research: Manufacturing Source: Nassar, Lederer, Brainard, Padilla, and Lessard
Rock-to-metal ratio for 25 mineral commodities according to ore grade. Multiple data points for a single element represent different individual operations. Circle size is indicative of whether the element is produced as a primary or secondary product. Volta Foundation
Extracted from the PDF; charts and images may read imperfectly.
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