Zinc production will be between 555,000 and 645,000 tonnes in concentrate and 280,000 to 310,000 tonnes of refined metal. Copper will be between 545,000 and 640,000 tonnes. Coal production will be ...

Daily doses of 50 milligrams of zinc taken for many weeks or months could lead to copper deficiency. This may reduce immune function, undermining your husband’s goal. It may also lower helpful ...

American Pacific owns nine projects, all in the U.S., containing not only copper assets but gold, silver and zinc, the latter of which is in high demand for the energy transition while supply is ...