Volume2, Number 1— Page15 MINING SEASHELLS IN PERU Southern Peru Copper Corporation (SPCC) is one of the world’s largest producers of copper. They have two large mines in Peru—the Toquepala and Cuajones Mines— along with a smelter in Ilo, which is located in the southern part of Peru. At the Ilo operation, SPCC had a production problem in their processing of seashells which are useful because of their lime content. After processing, the shells ar

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