TABLE 1 | ||||||||||||||||||||
MATERIAL HANDLED AT SURFACE AND UNDERGROUND MINES IN THE UNITED STATES, BY TYPE1 | ||||||||||||||||||||
(Million metric tons) | ||||||||||||||||||||
Surface2 | Underground3 | All mines | ||||||||||||||||||
Type of ore and year | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | |||||||||||
Metals: | ||||||||||||||||||||
2008 | 1,460 | 1,170 | 2,630 | 18 | 4 | 21 | 1,480 | 1,170 | 2,650 | |||||||||||
2009 | 1,330 | 1,090 | 2,420 | 13 | 1 | 15 | 1,340 | 1,090 | 2,430 | |||||||||||
2010 | 1,400 | 1,080 | 2,480 | 14 | 1 | 16 | 1,410 | 1,080 | 2,500 | |||||||||||
2011 | 1,570 | r | 1,080 | 2,660 | r | 16 | 1 | 17 | 1,590 | r | 1,080 | 2,670 | r | |||||||
2012 | 1,560 | 1,100 | 2,660 | 17 | 3 | 19 | 1,580 | 1,110 | 2,680 | |||||||||||
Industrial minerals: | ||||||||||||||||||||
2008 | 2,520 | 251 | 2,770 | 150 | 1 | 151 | 2,670 | 252 | 2,920 | |||||||||||
2009 | 2,070 | 210 | 2,280 | 123 | 1 | 123 | r | 2,190 | 210 | 2,400 | ||||||||||
2010 | 1,980 | r | 205 | 2,190 | r | 128 | 1 | 129 | 2,110 | r | 206 | 2,320 | r | |||||||
2011 | 2,080 | r | 211 | 2,290 | r | 135 | r | 1 | 136 | r | 2,210 | r | 211 | 2,430 | r | |||||
2012 | 2,170 | 227 | 2,400 | 130 | 1 | 131 | 2,300 | 228 | 2,530 | |||||||||||
All mineral commodities: | ||||||||||||||||||||
2008 | 3,970 | 1,420 | 5,390 | 168 | 4 | 172 | 4,140 | 1,420 | 5,570 | |||||||||||
2009 | 3,400 | 1,300 | 4,690 | 136 | 2 | 138 | 3,530 | 1,300 | 4,830 | |||||||||||
2010 | 3,380 | r | 1,290 | 4,670 | r | 143 | 2 | 145 | 3,520 | r | 1,290 | 4,810 | r | |||||||
2011 | 3,650 | r | 1,290 | 4,940 | r | 151 | r | 2 | 153 | r | 3,800 | r | 1,290 | 5,100 | r | |||||
2012 | 3,730 | 1,330 | 5,060 | 147 | 3 | 150 | 3,880 | 1,330 | 5,210 | |||||||||||
rRevised. | ||||||||||||||||||||
1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||||||||||||||
2Includes materials from wells, ponds, and pumping operations. | ||||||||||||||||||||
3Includes solution mining. | ||||||||||||||||||||
4Includes ore and waste from development operations. |
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices