copper mining byproduct

  • Wonder where silver comes from before it's refined bullion?

    Silver can also be found as a byproduct of mining lead, zinc and copper. Nearly half of silver mined today is extracted when processing other kinds of ore.

  • 10 Top Copper-producing Companies | Investing News Network

    Southern Copper believes it has the largest copper reserves in the industry, and has committed to investing $2.9 billion in its Chilean mining operations as part of its growth program and goal of ...

  • TENORM: Copper Mining and Production Wastes | US EPA