The California Geological Survey provides an annual summary of the state's mineral production exclusive of oil, gas, geothermal, and coal. In 2016, California ranked fourth among the states in non-fuel mineral production, accounting for approximately 4.5 % of the United States total.
Quarry Mining– An open-pit mine where the mineral or rock extracted is commonly used in the building or aggregate industry. Some of the more common Earth materials quarried in Arizona include: sand and gravel, limestone, flagstone, cinders and granite.
Copper mining in the United States has been a major industry since the rise of the northern Michigan copper district in the 1840s. In 2017 the United States produced 1.27 million metric tonnes of copper, worth $8 billion, making it the world's fourth largest copper producer, after Chile, China, and Peru.