Mount Isa Lead, Zinc and Silver Mine - Mining Technology,
By the 1960s, Mount Isa was the hub of a lead, zinc, silver and copper supply network, including smelting, refining and recycling facilities in Europe. In 1970, MIM Holdings succeeded Mount Isa Mines but, while diversifying in the 1970s and 1980s, management seemingly neglected Mount Isa…Mount Phelps Zinc Prospect Near Baring, Washington | The,,The Mount Phelps Zinc Prospect is near Baring, Washington. Historically the site has been associated with the Buena Vista Mining District which is now part of the Snoqualmie National Forest. Preliminary development has taken place such as surface trenching, adits, shafts, drill holes, geophysics, geochemistry, or geological mapping.Dugald River - MMG,Dugald River is 100% owned by the MMG Limited and is one of the world’s top 10 zinc operations. Due to the scale of the ore body, Dugald River is estimated to have a mine life of 20+ years to process an average of 1.7 million tonnes of ore per annum.