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Material Handled At Surface And Underground Mines In The United States, By Type

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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:                                          
2002   1,060   1,020   2,080     15   3   18     1,080 r 1,020   2,100 r
2003   1,090 r 1,010 r 2,100 r   14   1   15     1,100 r 1,020   2,110  
2004   1,190   1,060   2,250     14   2   16     1,200   1,060   2,260  
2005   1,210   1,050   2,250 r   19   1   20     1,230   1,050   2,270 r
2006   1,240   1,050   2,290     16   3   19     1,260   1,050   2,310  
Industrial minerals:                                          
2002   2,810 r 440 r 3,250 r   108   (5)   108     2,920 r 440 r 3,360 r
2003   2,850 r 414 r 3,260 r   107   (5)   107     2,960 r 414 r 3,370 r
2004   3,000   409   3,410     139   (5)   139     3,140   409   3,550  
2005   3,090 r 370 r 3,460 r   137   1   138     3,230 r 370   3,600 r
2006   3,200   265   3,470     129   (5)   129     3,330   266   3,600  
All mineral commodities:                                          
2002   3,880 r 1,460   5,330 r   123   3   126     4,000 r 1,460   5,460 r
2003   3,930 r 1,430   5,360 r   121   1 r 122 r   4,060 r 1,430   5,480 r
2004   4,190   1,470   5,650     153   2   155     4,340   1,470   5,810  
2005   4,300 r 1,420   5,720 r   156   2   158     4,460 r 1,420   5,870 r
2006   4,450   1,320   5,760     144   3   147     4,590   1,320   5,910  
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.
5Less than � unit.

Source: United States Geological Survey Mineral Resources Program


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