They were and still are. Copper is what is mined, but Gold, Silver and Molybdenum are also extracted during the process as by-products.
Arizona was the largest producer of Copper in the US in 2007.
Arizona
In southern Arizona.
name four agcutural animals and plants in the state arizona
About 60% of newly mined copper in the US comes from Arizona, making it the leading copper-producing state in the country.
Arizona is a significant copper producer, while bauxite is mined in states like Arkansas and Georgia. Molybdenum is primarily mined in Colorado.
silver, copper, etc.
Gold, silver, and copper are mined in Utah and zinc is a by-product, so yes it is mined in Utah.
Silver is mined in the ground in the same way that gold and copper is.
Three metals that are mined in Argentina are gold, silver, and copper.
copper, zinc, gold, silver, and lead.
The main items produced in Arizona include mined products, electronics, and agricultural items. Copper is the main mined product from Arizona. Agricultural items include lettuce, cotton, and hay.