|
| TABLE 8 | ||||||||
| EXPLORATION ACTIVITY IN THE UNITED STATES IN 2010, BY METHOD, COMMODITY, AND STATE1 | ||||||||
| (Meters) | ||||||||
| Rotary and | Percussion | |||||||
| Churn and | reverse | drilling, other | ||||||
| diamond | circulation | drilling, and | ||||||
| Commodity or State | drilling | drilling | trenching | Grand total | ||||
| Commodity: | ||||||||
| Copper2 | 47,000 | 4,880 | W | 51,800 | ||||
| Gold | 234,000 | 835,000 | W | 1,070,000 | ||||
| Lead | 27,500 | 35,400 | -- | 62,900 | ||||
| Zinc | 9,330 | -- | -- | 9,330 | ||||
| Other3 | 16,800 | 124,000 | 29,000 | 170,000 | ||||
| - Total | 335,000 | 1,000,000 | 29,000 | 1,360,000 | ||||
| - Percentage of grand total | 25 | 73 | 2 | 100 | ||||
| State: | ||||||||
| Alaska | 21,600 | 276,000 | W | 298,000 | ||||
| Arizona | 24,200 | 4,880 | -- | 29,000 | ||||
| Missouri | 27,500 | 35,400 | -- | 62,900 | ||||
| Nebraska | -- | 76,200 | -- | 76,200 | ||||
| Nevada | 222,000 | 558,000 | W | 779,000 | ||||
| Washington | 9,330 | -- | -- | 9,330 | ||||
| Undistributed4 | 30,300 | 49,700 | 29,000 | 109,000 | ||||
| Total | 335,000 | 1,000,000 | 29,000 | 1,360,000 | ||||
| W Withheld to avoid disclosing company proprietary data; included with -Other- or -Undistributed.- -- Zero. | ||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||
| 2Includes copper-molybdenum. | ||||||||
| 3Includes cobalt, mica, platinum and palladium, rare earths, silver, talc, and uranium, and commodities indicated by symbol W.- | ||||||||
| 4Includes Alabama, California, Idaho, Montana, Texas, Washington, Wyoming, and States indicated by symbol W.- | ||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices
