Where your cars, refrigerators, silverware, pots, pans, glassware, drywall, concrete, jewelry, cellphones, blacktop, rocketships, airplanes, and jars to hold pickles and mayonnaise, bullets, wiring, antennas, radios, computers come from. You have to responsibly mine the proper ore body to economically produce the base minerals to transform it into something useful. Thanks, Dale Ekmark.