Public Notice: Pogo Mine Renewal Application and Draft State decisions. On April 13, 2018 the State of Alaska is releasing application renewal documents for Pogo's existing mining operation and the following draft state decisions for a 32-day public review and comment period.
This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process. Starting from either open-pit or underground mining and using a different relevant treatment method for oxide or sulphide copper mineral (ore).
Hazardous Properties. Toxic chemicals used to extract the valuable materials from the ore, such as the cyanide used in gold mining, remain in the tailings at the end of the process, and may leach out into ground water.