|
| TABLE 2 | ||||||||||||||||||||||||
| MATERIAL HANDLED AT SURFACE AND UNDERGROUND MINES IN THE UNITED STATES IN 2012, BY COMMODITY AND STATE1 | - | |||||||||||||||||||||||
| Surface3 | Underground4 | All mines | ||||||||||||||||||||||
| Number | Crude ore | Waste5 | Total | Crude ore | Waste5 | Total | Crude ore | Waste5 | 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: | ||||||||||||||||||||||||
| Copper6 | 17 | 681,000 | 255,000 | 936,000 | -- | -- | -- | 681,000 | 255,000 | 936,000 | ||||||||||||||
| Gold | 51 | 373,000 | 539,000 | 912,000 | 5,410 | W | 5,410 | 379,000 | 539,000 | 918,000 | ||||||||||||||
| Iron | 11 | 181,000 | 180,000 | 361,000 | -- | -- | -- | 181,000 | 180,000 | 361,000 | ||||||||||||||
| Other7 | 34 | 326,000 | 129,000 | 456,000 | 11,300 | 2,720 | 14,000 | 338,000 | 132,000 | 470,000 | ||||||||||||||
| Total | 113 | 1,560,000 | 1,100,000 | 2,660,000 | 16,700 | 2,720 | 19,400 | 1,580,000 | 1,110,000 | 2,680,000 | ||||||||||||||
| Industrial minerals: | ||||||||||||||||||||||||
| Clays | 569 | 25,800 | 22,500 | 48,200 | W | W | W | 25,800 | 8 | 22,500 | 8 | 48,200 | 8 | |||||||||||
| Feldspar9 | 11 | 525 | -- | 525 | -- | -- | -- | 525 | -- | 525 | ||||||||||||||
| Gypsum | 52 | 13,800 | 3,180 | 17,000 | 1,920 | -- | 1,920 | 15,800 | 3,180 | 18,900 | ||||||||||||||
| Phosphate rock | 11 | 150,000 | W | 150,000 | 10 | -- | -- | -- | 150,000 | W | 150,000 | 10 | ||||||||||||
| Pumice11 | 12 | 397 | W | 397 | 10 | -- | -- | -- | 397 | W | 397 | 10 | ||||||||||||
| Salt | 70 | 6,760 | -- | 6,760 | 28,200 | -- | 28,200 | 34,900 | -- | 34,900 | ||||||||||||||
| Sand and gravel: | ||||||||||||||||||||||||
| Construction | 6,598 | 812,000 | -- | 812,000 | -- | -- | -- | 812,000 | -- | 812,000 | ||||||||||||||
| Industrial | 173 | 50,700 | -- | 50,700 | W | -- | W | 50,700 | 8 | -- | 50,600 | 8 | ||||||||||||
| Soda ash | 5 | -- | -- | -- | 11,100 | -- | 11,100 | 11,100 | -- | 11,100 | ||||||||||||||
| Stone: | ||||||||||||||||||||||||
| Crushed | 3,601 | 1,100,000 | 82,800 | 1,180,000 | 71,100 | 592 | 71,700 | 1,170,000 | 83,400 | 1,250,000 | ||||||||||||||
| Dimension | 219 | 2,150 | W | 2,150 | 10 | W | -- | W | 2,150 | 8 | W | 2,140 | 8, 10 | |||||||||||
| Talc | 6 | 515 | W | 515 | 10 | -- | -- | -- | 515 | W | 515 | 10 | ||||||||||||
| Other12 | 107 | 12,800 | 119,000 | 132,000 | 18,200 | -- | 18,200 | 31,000 | 119,000 | 150,000 | ||||||||||||||
| Total | 11,434 | 2,170,000 | 227,000 | 2,400,000 | 130,000 | 592 | 131,000 | 2,300,000 | 228,000 | 2,530,000 | ||||||||||||||
| Grand total | 11,547 | 3,730,000 | 1,330,000 | 5,060,000 | 147,000 | 3,320 | 150,000 | 3,880,000 | 1,330,000 | 5,210,000 | ||||||||||||||
| State: | ||||||||||||||||||||||||
| Alabama | 163 | 42,900 | 3,720 | 46,600 | W | W | W | 42,900 | 8 | 3,720 | 8 | 46,600 | 8 | |||||||||||
| Alaska | 137 | 36,400 | W | 36,400 | 10 | 1,860 | -- | 1,860 | 38,300 | W | 38,300 | 10 | ||||||||||||
| Arizona | 285 | 580,000 | W | 580,000 | 10 | -- | -- | -- | 580,000 | W | 580,000 | 10 | ||||||||||||
| Arkansas | 163 | 34,700 | 3,590 | 38,300 | W | -- | W | 34,700 | 8 | 3,590 | 38,300 | 8 | ||||||||||||
| California | 535 | 133,000 | W | 133,000 | 10 | W | W | W | 133,000 | 8 | W | 133,000 | 8, 10 | |||||||||||
| Colorado | 391 | 54,600 | W | 54,600 | 10 | W | -- | W | 54,600 | 8 | W | 54,600 | 8, 10 | |||||||||||
| Connecticut | 106 | 13,100 | 639 | 13,800 | -- | -- | -- | 13,100 | 639 | 13,800 | ||||||||||||||
| Delaware | 12 | 2,340 | W | 2,340 | 10 | -- | -- | -- | 2,340 | W | 2,340 | 10 | ||||||||||||
| Florida | 159 | 194,000 | W | 194,000 | 10 | -- | -- | -- | 194,000 | W | 194,000 | 10 | ||||||||||||
| Georgia | 214 | 47,900 | 8,740 | 56,600 | 2,560 | 18 | 2,580 | 50,500 | 8,760 | 59,200 | ||||||||||||||
| Hawaii | 44 | 5,680 | 392 | 6,080 | -- | -- | -- | 5,680 | 392 | 6,080 | ||||||||||||||
| Idaho | 261 | 32,500 | W | 32,500 | 10 | W | W | W | 32,500 | 8 | W | 32,500 | 8, 10 | |||||||||||
| Illinois | 240 | 65,300 | 3,290 | 68,600 | 7,920 | 55 | 7,970 | 73,200 | 3,350 | 76,500 | ||||||||||||||
| Indiana | 230 | 54,300 | 3,380 | 57,700 | 7,070 | 60 | 7,130 | 61,400 | 3,440 | 64,800 | ||||||||||||||
| Iowa | 363 | 42,300 | 2,320 | 44,600 | 4,410 | 28 | 4,440 | 46,700 | 2,350 | 49,000 | ||||||||||||||
| Kansas | 186 | 26,200 | 1,540 | 27,800 | 2,680 | W | 2,680 | 8 | 28,900 | 1,540 | 8 | 30,500 | 8 | |||||||||||
| See footnotes at end of table. | ||||||||||||||||||||||||
| TABLE 2-Continued | ||||||||||||||||||||||||
| MATERIAL HANDLED AT SURFACE AND UNDERGROUND MINES IN THE UNITED STATES IN 2012, BY COMMODITY AND STATE1 | - | |||||||||||||||||||||||
| Surface3 | Underground4 | All mines | ||||||||||||||||||||||
| Number | Crude ore | Waste5 | Total | Crude ore | Waste5 | Total | Crude ore | Waste5 | 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) | ||||||||||||||
| Kentucky | 115 | 36,400 | 2,710 | 39,100 | 15,500 | 116 | 15,600 | 51,900 | 2,830 | 54,700 | ||||||||||||||
| Louisiana | 149 | 24,900 | 752 | 25,700 | 12,400 | -- | 12,400 | 37,400 | 752 | 38,100 | ||||||||||||||
| Maine | 212 | 12,300 | 331 | 12,600 | -- | -- | -- | 12,300 | 331 | 12,600 | ||||||||||||||
| Maryland | 76 | 28,000 | 1,560 | 29,600 | W | W | W | 28,000 | 8 | 1,560 | 8 | 29,600 | 8 | |||||||||||
| Massachusetts | 148 | 18,900 | 805 | 19,700 | -- | -- | -- | 18,900 | 805 | 19,700 | ||||||||||||||
| Michigan | 458 | 93,700 | W | 93,700 | 10 | W | W | W | 93,700 | 8 | W | 93,700 | 8, 10 | |||||||||||
| Minnesota | 694 | 195,000 | W | 195,000 | 10 | -- | -- | -- | 195,000 | W | 195,000 | 10 | ||||||||||||
| Mississippi | 95 | 13,700 | 577 | 14,300 | -- | -- | -- | 13,700 | 577 | 14,300 | ||||||||||||||
| Missouri | 315 | 66,700 | 5,390 | 72,100 | 15,000 | 996 | 16,000 | 81,700 | 6,390 | 88,100 | ||||||||||||||
| Montana | 286 | 39,900 | W | 39,900 | 10 | 2,090 | W | 2,090 | 8 | 42,000 | W | 42,000 | 8, 10 | |||||||||||
| Nebraska | 187 | 17,200 | 342 | 17,600 | 4,590 | 32 | 4,630 | 21,800 | 374 | 22,200 | ||||||||||||||
| Nevada | 246 | 647,000 | 597,000 | 1,240,000 | 3,920 | 1,180 | 5,100 | 651,000 | 598,000 | 1,250,000 | ||||||||||||||
| New Hampshire | 137 | 11,200 | 383 | 11,600 | -- | -- | -- | 11,200 | 383 | 11,600 | ||||||||||||||
| New Jersey | 83 | 26,600 | 1,180 | 27,800 | -- | -- | -- | 26,600 | 1,180 | 27,800 | ||||||||||||||
| New Mexico | 195 | 89,800 | 530 | 90,300 | W | -- | W | 89,800 | 8 | 530 | 90,300 | 8 | ||||||||||||
| New York | 449 | 63,500 | 3,390 | 66,900 | 4,440 | W | 4,440 | 8 | 67,900 | 3,390 | 8 | 71,300 | 8 | |||||||||||
| North Carolina | 234 | 56,600 | 6,400 | 63,000 | -- | -- | -- | 56,600 | 6,400 | 63,000 | ||||||||||||||
| North Dakota | 212 | 31,100 | 185 | 31,300 | -- | -- | -- | 31,100 | 185 | 31,300 | ||||||||||||||
| Ohio | 354 | 74,200 | 4,140 | 78,400 | 7,720 | 47 | 7,760 | 82,000 | 4,190 | 86,100 | ||||||||||||||
| Oklahoma | 185 | 55,000 | 3,710 | 58,800 | W | W | W | 55,000 | 8 | 3,710 | 8 | 58,800 | 8 | |||||||||||
| Oregon- | 175 | 25,000 | 1,270 | 26,300 | -- | -- | -- | 25,000 | 1,270 | 26,300 | ||||||||||||||
| Pennsylvania | 384 | 80,300 | 5,840 | 86,200 | 12,100 | 96 | 12,200 | 92,400 | 5,940 | 98,400 | ||||||||||||||
| Rhode Island | 27 | 4,110 | 118 | 4,230 | -- | -- | -- | 4,110 | 118 | 4,230 | ||||||||||||||
| South Carolina | 119 | 26,000 | 1,970 | 28,000 | -- | -- | -- | 26,000 | 1,970 | 28,000 | ||||||||||||||
| South Dakota | 169 | 22,800 | W | 22,800 | 10 | -- | -- | -- | 22,800 | W | 22,800 | 10 | ||||||||||||
| Tennessee | 184 | 42,400 | 3,430 | 45,800 | 5,930 | 26 | 5,950 | 48,300 | 3,450 | 51,800 | ||||||||||||||
| Texas | 609 | 218,000 | 12,800 | 231,000 | 8,040 | 10 | 8,050 | 226,000 | 12,800 | 239,000 | ||||||||||||||
| Utah | 294 | 79,800 | W | 79,800 | 10 | W | W | W | 79,800 | 8 | W | 79,800 | 8, 10 | |||||||||||
| Vermont | 165 | 11,100 | 535 | 11,600 | -- | -- | -- | 11,100 | 535 | 11,600 | ||||||||||||||
| Virginia | 183 | 56,900 | 3,960 | 60,800 | 626 | W | 626 | 8 | 57,500 | 3,960 | 8 | 61,500 | 8 | |||||||||||
| Washington | 224 | 42,100 | 1,110 | 43,200 | W | W | W | 42,100 | 8 | 1,110 | 8 | 43,200 | 8 | |||||||||||
| West Virginia | 40 | 11,700 | 946 | 12,600 | 5,070 | 31 | 5,100 | 16,700 | 977 | 17,700 | ||||||||||||||
| Wisconsin | 498 | 61,200 | 1,720 | 62,900 | W | -- | W | 61,200 | 8 | 1,720 | 62,900 | 8 | ||||||||||||
| Wyoming | 157 | 27,400 | 4,820 | 32,200 | 10,300 | -- | 10,300 | 37,600 | 4,820 | 42,400 | ||||||||||||||
| Undistributed13 | -- | 55,700 | 635,000 | 691,000 | 12,900 | 626 | 13,500 | 68,700 | 636,000 | 704,000 | ||||||||||||||
| Total | 11,547 | 3,730,000 | 1,330,000 | 5,060,000 | 147,000 | 3,320 | 150,000 | 3,880,000 | 1,330,000 | 5,210,000 | ||||||||||||||
| 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 solution mining. | ||||||||||||||||||||||||
| 5Includes ore and waste from development operations. | ||||||||||||||||||||||||
| TABLE 2-Continued | ||||||||||||||||||||||||
| MATERIAL HANDLED AT SURFACE AND UNDERGROUND MINES IN THE UNITED STATES IN 2012, BY COMMODITY AND STATE1 | - | |||||||||||||||||||||||
| 6Includes copper-molybdenum. With increased adoption of leaching technology, there may be less distinction between ore and waste. Significant tonnages of low-grade- | ||||||||||||||||||||||||
| material, formerly classified as waste, are now considered to be low-grade leachable ore by some companies, resulting in a large shift in the ore-to-waste ratios and a | ||||||||||||||||||||||||
| reduction in ore value. | ||||||||||||||||||||||||
| 7Includes beryllium, gold-silver, lead, magnesium metal, molybdenum, nickel ore, platinum and palladium, silver, titanium, zinc, zinc-lead, and zinc-silver.- | ||||||||||||||||||||||||
| 8Excludes materials from underground operations. | ||||||||||||||||||||||||
| 9Includes aplite. | ||||||||||||||||||||||||
| 10Excludes waste from mining operations and ore and waste from development operations. | ||||||||||||||||||||||||
| 11Excludes volcanic cinder and scoria; included with -Stone: Crushed.- | ||||||||||||||||||||||||
| 12Includes abrasives, barite, boron minerals, bromine, diatomite, 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. | ||||||||||||||||||||||||
| 13Includes material from States with production indicated by symbol W. | ||||||||||||||||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices
