What metals are mined in Colorado?

* Gold: Colorado is the largest gold-producing state in the United States, and has produced over 100 million troy ounces of gold since the 1850s. Gold is found in many parts of the state, but the most productive areas are the Cripple Creek and San Juan Mountains.

* Silver: Colorado is the second-largest silver-producing state in the United States, and has produced over 500 million troy ounces of silver since the 1850s. Silver is often found in association with gold, and the most productive areas for silver are the same as for gold.

* Lead: Colorado is the fourth-largest lead-producing state in the United States, and has produced over 10 million tons of lead since the 1850s. Lead is often found in association with silver and zinc, and the most productive areas for lead are the San Juan Mountains and the Leadville Mining District.

* Zinc: Colorado is the sixth-largest zinc-producing state in the United States, and has produced over 5 million tons of zinc since the 1850s. Zinc is often found in association with lead and silver, and the most productive areas for zinc are the San Juan Mountains and the Leadville Mining District.

* Copper: Colorado is the eighth-largest copper-producing state in the United States, and has produced over 2 million tons of copper since the 1850s. Copper is found in many parts of the state, but the most productive areas are the San Juan Mountains and the Front Range.

* Molybdenum: Colorado is the largest molybdenum-producing state in the United States, and has produced over 1 million tons of molybdenum since the 1920s. Molybdenum is used in the production of steel and other alloys, and the most productive area for molybdenum is the Climax Molybdenum Mine in Lake County.