|
| TABLE 2 | |||||||||||||||||||||
| MATERIAL HANDLED AT SURFACE AND UNDERGROUND MINES IN THE UNITED STATES IN 2006, BY COMMODITY AND STATE1 | |||||||||||||||||||||
| Surface3 | Underground5 | All mines | |||||||||||||||||||
| Number | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | ||||||||||||
| of | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | ||||||||||||
| Commodity or State | mines2 | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | |||||||||||
| Commodity: | |||||||||||||||||||||
| Metal ore: | |||||||||||||||||||||
| Gold | 47 | 274,000 | 744,000 | 1,020,000 | 4,440 | 1,910 | 6,350 | 278,000 | 746,000 | 1,020,000 | |||||||||||
| Iron | 12 | 169,000 | 146,000 | 316,000 | -- | -- | -- | 169,000 | 146,000 | 316,000 | |||||||||||
| Other6 | 49 | 801,000 | 159,000 | 960,000 | 11,200 | 637 | 11,800 | 812,000 | 160,000 | 972,000 | |||||||||||
| Total | 108 | 1,240,000 | 1,050,000 | 2,290,000 | 15,600 | 2,550 | 18,200 | 1,260,000 | 1,050,000 | 2,310,000 | |||||||||||
| Industrial minerals: | |||||||||||||||||||||
| Barite | 4 | 561 | W | 561 | 7 | -- | -- | -- | 561 | W | 561 | 7 | |||||||||
| Clays | 639 | 41,200 | 35,800 | 77,000 | 1 | (8) | 1 | 41,200 | 35,800 | 77,000 | |||||||||||
| Diatomite | 11 | 812 | W | 812 | 7 | -- | -- | -- | 812 | W | 812 | 7 | |||||||||
| Feldspar9 | 9 | 1,360 | -- | 1,360 | -- | -- | -- | 1,360 | -- | 1,360 | |||||||||||
| Gypsum | 59 | 19,300 | 3,020 | 22,300 | 1,850 | -- | 1,850 | 21,100 | 3,020 | 24,100 | |||||||||||
| Phosphate rock | 12 | 111,000 | W | 111,000 | 7 | -- | -- | -- | 111,000 | W | 111,000 | 7 | |||||||||
| Pumice10 | 18 | 1,540 | W | 1,540 | 7 | -- | -- | -- | 1,540 | W | 1,540 | 7 | |||||||||
| Salt | 66 | 7,150 | -- | 7,150 | 36,900 | -- | 36,900 | 44,000 | -- | 44,000 | |||||||||||
| Sand and gravel: | |||||||||||||||||||||
| Construction | 8,189 | 1,320,000 | -- | 1,320,000 | -- | -- | -- | 1,320,000 | -- | 1,320,000 | |||||||||||
| Industrial | 120 | 31,700 | -- | 31,700 | W | -- | W | 31,700 | 11 | -- | 31,700 | 11 | |||||||||
| Soda ash | 6 | -- | -- | -- | 11,000 | -- | 11,000 | 11,000 | -- | 11,000 | |||||||||||
| Stone: | |||||||||||||||||||||
| Crushed | 3,358 | 1,650,000 | 125,000 | 1,780,000 | 67,300 | 462 | 67,800 | 1,720,000 | 126,000 | 1,840,000 | |||||||||||
| Dimension | 166 | 1,330 | W | 1,330 | 7 | W | -- | W | 1,330 | 11 | W | 1,330 | 7, 11 | ||||||||
| Talc12 | 12 | 895 | W | 895 | 7 | -- | -- | -- | 895 | W | 895 | 7 | |||||||||
| Other13 | 87 | 12,800 | 101,000 | 114,000 | 11,700 | -- | 11,700 | 24,500 | 101,000 | 126,000 | |||||||||||
| Total | 12,756 | 3,200,000 | 265,000 | 3,470,000 | 129,000 | 462 | 129,000 | 3,330,000 | 266,000 | 3,600,000 | |||||||||||
| Grand total | 12,864 | 4,450,000 | 1,320,000 | 5,760,000 | 144,000 | 3,010 | 147,000 | 4,590,000 | 1,320,000 | 5,910,000 | |||||||||||
| State: | |||||||||||||||||||||
| Alabama | 222 | 77,000 | 6,440 | 83,400 | W | W | W | 77,000 | 11 | 6,440 | 11 | 83,400 | 11 | ||||||||
| Alaska | 119 | 28,500 | 35,100 | 63,600 | W | W | W | 28,500 | 11 | 35,100 | 11 | 63,600 | 11 | ||||||||
| Arizona | 345 | 526,000 | 95,800 | 622,000 | -- | -- | -- | 526,000 | 95,800 | 622,000 | |||||||||||
| Arkansas | 158 | 48,200 | 7,390 | 55,600 | W | -- | W | 48,200 | 11 | 7,390 | 55,600 | 11 | |||||||||
| California | 578 | 216,000 | W | 216,000 | 7 | W | W | W | 216,000 | 11 | W | 216,000 | 7, 11 | ||||||||
| Colorado | 404 | 82,700 | 33,600 | 116,000 | W | W | W | 82,700 | 11 | 33,600 | 11 | 116,000 | 11 | ||||||||
| Connecticut | 105 | 18,800 | 866 | 19,700 | -- | -- | -- | 18,800 | 866 | 19,700 | |||||||||||
| Delaware | 16 | 3,790 | W | 3,790 | 7 | -- | -- | -- | 3,790 | W | 3,790 | 7 | |||||||||
| Florida | 195 | 263,000 | W | 263,000 | 7 | -- | -- | -- | 263,000 | W | 263,000 | 7 | |||||||||
| Georgia | 275 | 110,000 | 15,000 | 125,000 | 1,640 | 11 | 1,650 | 112,000 | 15,000 | 127,000 | |||||||||||
| Hawaii | 29 | 9,600 | 670 | 10,300 | -- | -- | -- | 9,600 | 670 | 10,300 | |||||||||||
| Idaho | 287 | 42,700 | W | 42,700 | 7 | W | W | W | 42,700 | 11 | W | 42,700 | 7, 11 | ||||||||
| Illinois | 261 | 99,800 | 4,920 | 105,000 | 7,870 | 55 | 7,930 | 108,000 | 4,980 | 113,000 | |||||||||||
| Indiana | 253 | 82,700 | 4,810 | 87,500 | 2,880 | 17 | 2,900 | 85,600 | 4,820 | 90,400 | |||||||||||
| Iowa | 355 | 49,400 | 2,930 | 52,300 | 5,660 | 33 | 5,690 | 55,000 | 2,960 | 58,000 | |||||||||||
| Kansas | 364 | 35,400 | 2,370 | 37,800 | 2,540 | 2 | 2,550 | 38,000 | 2,380 | 40,300 | |||||||||||
| Kentucky | 128 | 48,600 | 3,670 | 52,300 | 20,100 | 141 | 20,200 | 68,700 | 3,810 | 72,500 | |||||||||||
| Louisiana | 155 | 33,000 | 1,130 | 34,100 | 13,100 | -- | 13,100 | 46,100 | 1,130 | 47,200 | |||||||||||
| Maine | 201 | 14,600 | 382 | 15,000 | -- | -- | -- | 14,600 | 382 | 15,000 | |||||||||||
| Maryland | 83 | 42,900 | 2,600 | 45,500 | W | W | W | 42,900 | 11 | 2,600 | 11 | 45,500 | 11 | ||||||||
| Massachusetts | 142 | 30,900 | 1,100 | 32,000 | -- | -- | -- | 30,900 | 1,100 | 32,000 | |||||||||||
| See footnotes at end of table. | |||||||||||||||||||||
| TABLE 2�Continued | |||||||||||||||||||||
| MATERIAL HANDLED AT SURFACE AND UNDERGROUND MINES IN THE UNITED STATES IN 2006, BY COMMODITY AND STATE1 | |||||||||||||||||||||
| Surface3 | Underground5 | All mines | |||||||||||||||||||
| Number | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | Crude ore | Waste4 | Total | ||||||||||||
| of | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | (thousand | ||||||||||||
| Commodity or State | mines2 | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | metric tons) | |||||||||||
| State�Continued: | |||||||||||||||||||||
| Michigan | 547 | 117,000 | W | 117,000 | 7 | 1,920 | -- | 1,920 | 119,000 | W | 119,000 | 7 | |||||||||
| Minnesota | 554 | 200,000 | 110,000 | 310,000 | -- | -- | -- | 200,000 | 110,000 | 310,000 | |||||||||||
| Mississippi | 124 | 23,400 | 1,200 | 24,600 | -- | -- | -- | 23,400 | 1,200 | 24,600 | |||||||||||
| Missouri | 291 | 88,200 | 6,800 | 95,000 | W | W | W | 88,200 | 11 | 6,800 | 11 | 95,000 | 11 | ||||||||
| Montana | 251 | 44,500 | W | 44,500 | 7 | W | W | W | 44,500 | 11 | W | 44,500 | 7, 11 | ||||||||
| Nebraska | 171 | 16,400 | 393 | 16,800 | W | W | W | 16,400 | 11 | 393 | 11 | 16,800 | 11 | ||||||||
| Nevada | 250 | 509,000 | 620,000 | 1,130,000 | W | W | W | 509,000 | 11 | 620,000 | 11 | 1,130,000 | 11 | ||||||||
| New Hampshire | 112 | 15,500 | 494 | 16,000 | -- | -- | -- | 15,500 | 494 | 16,000 | |||||||||||
| New Jersey | 98 | 68,700 | 3,770 | 72,500 | -- | -- | -- | 68,700 | 3,770 | 72,500 | |||||||||||
| New Mexico | 491 | 50,700 | W | 50,700 | 7 | 12,300 | -- | 12,300 | 63,000 | W | 63,000 | 7 | |||||||||
| New York | 480 | 85,600 | 5,270 | 90,800 | 6,020 | W | 6,020 | 11 | 91,600 | 5,270 | 11 | 96,800 | 11 | ||||||||
| North Carolina | 250 | 101,000 | 11,100 | 112,000 | -- | -- | -- | 101,000 | 11,100 | 112,000 | |||||||||||
| North Dakota | 182 | 14,200 | W | 14,200 | 7 | -- | -- | -- | 14,200 | W | 14,200 | 7 | |||||||||
| Ohio | 356 | 115,000 | 6,600 | 122,000 | W | -- | W | 115,000 | 11 | 6,600 | 122,000 | 11 | |||||||||
| Oklahoma | 181 | 62,400 | 4,350 | 66,700 | W | W | W | 62,400 | 11 | 4,350 | 11 | 66,700 | 11 | ||||||||
| Oregon� | 289 | 48,900 | 3,140 | 52,000 | -- | -- | -- | 48,900 | 3,140 | 52,000 | |||||||||||
| Pennsylvania | 357 | 122,000 | 8,480 | 130,000 | 3,750 | 26 | 3,780 | 126,000 | 8,500 | 134,000 | |||||||||||
| Rhode Island | 27 | 4,930 | 186 | 5,120 | -- | -- | -- | 4,930 | 186 | 5,120 | |||||||||||
| South Carolina | 126 | 43,500 | 3,520 | 47,000 | -- | -- | -- | 43,500 | 3,520 | 47,000 | |||||||||||
| South Dakota | 251 | 25,100 | 16,900 | 42,000 | -- | -- | -- | 25,100 | 16,900 | 42,000 | |||||||||||
| Tennessee | 200 | 69,400 | 5,430 | 74,800 | 2,500 | W | 2,500 | 11 | 71,900 | 5,430 | 11 | 77,300 | 11 | ||||||||
| Texas | 559 | 237,000 | 13,100 | 250,000 | 9,920 | W | 9,920 | 11 | 246,000 | 13,100 | 11 | 260,000 | 11 | ||||||||
| Utah | 243 | 111,000 | W | 111,000 | 7 | 791 | W | 791 | 11 | 112,000 | W | 112,000 | 7, 11 | ||||||||
| Vermont | 121 | 10,000 | 364 | 10,400 | W | -- | W | 10,000 | 11 | 364 | 10,400 | 11 | |||||||||
| Virginia | 209 | 99,000 | 8,280 | 107,000 | W | W | W | 99,000 | 11 | 8,280 | 11 | 107,000 | 11 | ||||||||
| Washington | 380 | 59,500 | 928 | 60,400 | W | -- | W | 59,500 | 11 | 928 | 60,400 | 11 | |||||||||
| West Virginia | 44 | 12,800 | 1,090 | 13,800 | 3,330 | W | 3,330 | 11 | 16,100 | 1,090 | 11 | 17,200 | |||||||||
| Wisconsin | 753 | 77,900 | 2,930 | 80,800 | -- | -- | -- | 77,900 | 2,930 | 80,800 | |||||||||||
| Wyoming | 292 | 34,100 | 4,850 | 38,900 | 9,970 | -- | 9,970 | 44,000 | 4,850 | 48,900 | |||||||||||
| Undistributed14 | -- | 115,000 | 257,000 | 372,000 | 40,100 | 2,730 | 42,800 | 155,000 | 260,000 | 415,000 | |||||||||||
| Total | 12,864 | 4,450,000 | 1,320,000 | 5,760,000 | 144,000 | 3,010 | 147,000 | 4,590,000 | 1,320,000 | 5,910,000 | |||||||||||
| W Withheld to avoid disclosing company proprietary data; included with "Other" or "Undistributed."� -- Zero. | |||||||||||||||||||||
| 1Data are rounded to no more than three significant digits except "number of mines"; may not add to totals shown.�� | |||||||||||||||||||||
| 2Includes quarries and other mineral operations. | |||||||||||||||||||||
| 3Includes materials from wells, ponds, and pumping operations. | |||||||||||||||||||||
| 4Includes ore and waste from development operations. | |||||||||||||||||||||
| 5Includes solution mining. | |||||||||||||||||||||
| 6Includes beryllium, copper, gold-silver, lead, lead-zinc, magnesium metal, molybdenum, platinum and palladium, silver, silver-copper, titanium, uranium, and zinc.��� | |||||||||||||||||||||
| 7Excludes waste from mining operations and ore and waste from development operations.�� | |||||||||||||||||||||
| 8Less than � unit. | |||||||||||||||||||||
| 9Includes aplite. | |||||||||||||||||||||
| 10Excludes volcanic cinder and scoria; included with "Crushed stone." | |||||||||||||||||||||
| 11Excludes materials from underground operations. | |||||||||||||||||||||
| 12Excludes pyrophyllite.� | |||||||||||||||||||||
| 13Includes abrasives, boron minerals, bromine, garnet, greensand marl, iodine, iron oxide pigments, kyanite, lithium minerals, magnesite, magnesium� | |||||||||||||||||||||
| compounds, mica, olivine, perlite, potash, tripoli, vermiculite, wollastonite, zeolites, and industrial minerals indicated by symbol W.�� | |||||||||||||||||||||
| 14Includes States indicated by symbol W.�� | |||||||||||||||||||||
Source: United States Geological Survey Mineral Resources Program