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| TABLE 1 | |||||||||||||||
| NONFUEL MINERAL PRODUCTION IN THE UNITED STATES1, 2 | |||||||||||||||
| (Thousand metric tons and thousand dollars unless otherwise specified) | |||||||||||||||
| 2004 | 2005 | 2006 | |||||||||||||
| Mineral | Quantity | Value | Quantity | Value | Quantity | Value | |||||||||
| Metals: | |||||||||||||||
| Beryllium concentrates | metric tons | 2,210 | NA | 2,780 | NA | 3,830 | NA | ||||||||
| Copper3 | 1,160 | 3,420,000 | 1,140 | 4,360,000 | 1,200 | 8,310,000 | |||||||||
| Gold3 | kilograms | 258,000 | 3,400,000 | 256,000 | 3,670,000 | 252,000 | 4,910,000 | ||||||||
| Iron ore, usable shipped | 54,900 | 2,080,000 | 53,200 | 2,370,000 | 52,700 | 2,840,000 | |||||||||
| Lead3 | metric tons | 430,000 | 523,000 | 426,000 | 574,000 | 419,000 | 715,000 | ||||||||
| Mercurye, 4 | NA | NA | NA | NA | NA | NA | |||||||||
| Molybdenum concentrates5, 6 | metric tons | 42,000 | 1,420,000 | 58,000 | 3,660,000 | 59,900 | 3,040,000 | ||||||||
| Palladium3 | kilograms | 13,700 | 102,000 | 13,300 | 87,100 | 14,400 | 150,000 | ||||||||
| Platinum3 | do. | 4,040 | 110,000 | 3,920 | 113,000 | 4,290 | 158,000 | ||||||||
| Silver3 | do. | 1,250,000 | 268,000 | 1,230,000 | 289,000 | 1,140,000 | 425,000 | ||||||||
| Zinc3 | metric tons | 715,000 | 827,000 | 720,000 | 1,070,000 | 699,000 | 2,450,000 | ||||||||
| Combined values of cadmium (byproduct in zinc | |||||||||||||||
| concentrates),7 iron oxide pigments (crude), | |||||||||||||||
| magnesium metal, titanium concentrates, zirconium | |||||||||||||||
| �concentrates | XX | 304,000 | XX | 317,000 | r | XX | 289,000 | ||||||||
| Total | XX | 12,500,000 | XX | 16,500,000 | XX | 23,300,000 | |||||||||
| Industrial minerals, excluding fuels:8 | |||||||||||||||
| Barite | 532 | 18,700 | 489 | 17,600 | 589 | 23,500 | |||||||||
| Boron | 1,210 | 626,000 | 1,150 | 713,000 | (9) | W | |||||||||
| Bromine | metric tons | 222,000 | 191,000 | 226,000 | 168,000 | 243,000 | 339,000 | ||||||||
| Cement:10 | |||||||||||||||
| Masonry | 5,000 | 585,000 | e | 5,420 | 679,000 | e | 5,400 | 743,000 | e | ||||||
| Portland | 92,400 | 7,110,000 | e | 93,900 | 8,360,000 | e | 92,800 | 9,230,000 | e | ||||||
| Clays: | |||||||||||||||
| Ball | 1,220 | 54,100 | 1,210 | 52,900 | 1,190 | 53,400 | |||||||||
| Bentonite | 4,060 | 179,000 | 4,710 | 215,000 | 4,940 | 234,000 | |||||||||
| Common | 24,600 | 174,000 | r | 24,300 | 176,000 | 24,200 | 243,000 | ||||||||
| Fire | 256 | 7,870 | 353 | 10,700 | 848 | 19,000 | |||||||||
| Fuller's earth | 3,260 | 329,000 | 2,730 | r | 275,000 | r | 2,540 | 243,000 | |||||||
| Kaolin | 7,760 | 945,000 | 7,800 | 860,000 | 7,470 | 980,000 | |||||||||
| Diatomite | 620 | 177,000 | 653 | 179,000 | 799 | 176,000 | |||||||||
| Feldspar10 | 770 | 44,200 | 750 | 43,000 | 760 | 44,600 | |||||||||
| Garnet, industrial10 | metric tons | 28,400 | 3,050 | 40,100 | r | 3,840 | 34,100 | 4,230 | |||||||
| Gemstones, natural10 | NA | 14,500 | NA | 13,400 | NA | 11,300 | |||||||||
| Gypsum, crude10 | 17,200 | 124,000 | 21,100 | 158,000 | 21,100 | 192,000 | |||||||||
| Helium: | |||||||||||||||
| Crude | million cubic meters | 57 | 77,500 | 42 | 63,300 | 41 | 66,000 | ||||||||
| Grade-A | do. | 130 | 299,000 | 133 | 336,000 | 139 | 395,000 | ||||||||
| Iodine10 | metric tons | 1,130 | W | 1,570 | W | (9) | W | ||||||||
| Kyanitee | 90 | 13,400 | 90 | 13,400 | 90 | 14,000 | |||||||||
| Lime | 20,000 | 1,370,000 | 20,000 | 1,500,000 | 21,000 | 1,700,000 | |||||||||
| Mica, crude | metric tons | 99,200 | 15,400 | 78,100 | 19,300 | r | 110,000 | 22,400 | |||||||
| Peat | 741 | 21,200 | 751 | 20,800 | 734 | 20,100 | |||||||||
| Perlite, crude | metric tons | 508,000 | 20,600 | 508,000 | 20,700 | 454,000 | 19,500 | ||||||||
| Phosphate rock, marketable10 | 35,800 | 995,000 | 36,100 | 1,070,000 | 30,100 | 919,000 | |||||||||
| Potash, gross weight | 2,700 | 340,000 | 2,500 | 410,000 | 2,400 | 410,000 | |||||||||
| Pumice and pumicite | metric tons | 1,490,000 | 25,000 | 1,270,000 | 39,300 | 1,540,000 | 44,300 | ||||||||
| Salt | 45,000 | 1,270,000 | 45,000 | 1,310,000 | 44,300 | 1,370,000 | |||||||||
| Sand and gravel: | |||||||||||||||
| Construction | 1,240,000 | 6,590,000 | 1,280,000 | r | 7,500,000 | r | 1,320,000 | 8,540,000 | |||||||
| Industrial | 29,700 | 685,000 | 30,600 | 752,000 | 31,700 | 807,000 | |||||||||
| Silica stone12 | metric tons | 655 | 3,660 | 576 | 2,290 | 227 | 992 | ||||||||
| Soda ash9 | 11,000 | 770,000 | 11,000 | 968,000 | 11,000 | 1,170,000 | |||||||||
| Stone, crushed13 | 1,630,000 | r | 9,890,000 | r | 1,700,000 | r | 12,400,000 | r | 1,720,000 | 13,800,000 | |||||
| Talc, crude10 | 833 | 23,200 | 856 | 24,400 | 895 | 27,400 | |||||||||
| Tripoli9, 10 | metric tons | 94,000 | 19,400 | 91,100 | 18,700 | 76,000 | 17,500 | ||||||||
| Vermiculite, concentratee | 100 | W | 100 | W | 100 | W | |||||||||
| See footnotes at end of table. | |||||||||||||||
| TABLE 1�Continued | |||||||||||||||
| NONFUEL MINERAL PRODUCTION IN THE UNITED STATES1 | |||||||||||||||
| (Thousand metric tons and thousand dollars unless otherwise specified) | |||||||||||||||
| 2004 | 2005 | 2006 | |||||||||||||
| Mineral | Quantity | Value | Quantity | Value | Quantity | Value | |||||||||
| Industrial minerals, excluding fuels--Continued: | |||||||||||||||
| Combined values of brucite, greensand marl, lithium | |||||||||||||||
| carbonate, magnesite, magnesium compounds, | |||||||||||||||
| olivine, pyrophyllite (crude), staurolite, stone | |||||||||||||||
| (dimension), wollastonite, zeolites, and values | |||||||||||||||
| indicated by symbol W | XX | 507,000 | r | XX | 531,000 | r | XX | 1,280,000 | |||||||
| Total | XX | 33,500,000 | r | XX | 38,900,000 | r | XX | 43,200,000 | |||||||
| Grand total | XX | 46,000,000 | r | XX | 55,400,000 | r | XX | 66,500,000 | |||||||
| eEstimated. rRevised. NA Not available. W Withheld to avoid disclosing company proprietary data; value included with "Combined value." XX Not applicable. | |||||||||||||||
| 1Production as measured by mine shipments, sales, or marketable production (including consumption by producers). | |||||||||||||||
| 2Data are rounded to no more than three significant digits; may not add to totals shown. | |||||||||||||||
| 3Recoverable content of ores, etc. | |||||||||||||||
| 4Secondary production. | |||||||||||||||
| 5Content of ore and concentrate. | |||||||||||||||
| 6Shipments. | |||||||||||||||
| 7Data not available for 2006. | |||||||||||||||
| 8Sold or used unless otherwise specified. | |||||||||||||||
| 9Withheld to avoid disclosing company proprietary data. | |||||||||||||||
| 10Production. | |||||||||||||||
| 11Excludes attapulgite. | |||||||||||||||
| 12Includes grindstones, pulpstones, and sharpening stones; excludes mill liners and grinding pebbles. | |||||||||||||||
| 13Excludes abrasive stone and bituminous limestone and sandstone; all included elsewhere in table. | |||||||||||||||
Source: United States Geological Survey Mineral Resources Program