|
| TABLE 4 | ||||||||||||||
| BENTONITE SOLD OR USED BY PRODUCERS IN THE UNITED STATES, BY TYPE AND USE 1 | ||||||||||||||
| (Thousand metric tons and thousand dollars) | ||||||||||||||
| 2009 | 2010 | |||||||||||||
| Quantity | Value | Quantity | Value | |||||||||||
| Type: | ||||||||||||||
| Nonswelling | 116 | 8,140 | 123 | 9,320 | ||||||||||
| Swelling | 3,530 | 198,000 | 4,510 | 252,000 | ||||||||||
| Total | 3,650 | 207,000 | 4,630 | 261,000 | ||||||||||
| Use: | ||||||||||||||
| Domestic: | ||||||||||||||
| Pet waste absorbents | 925 | e | NA | 967 | e, 2 | NA | ||||||||
| Adhesives | 9 | NA | 8 | NA | ||||||||||
| Animal feed | 60 | NA | 71 | NA | ||||||||||
| Drilling mud | 587 | NA | 1,020 | 2 | NA | |||||||||
| Filler and extender applications3 | 69 | NA | 104 | NA | ||||||||||
| Foundry sand | 443 | e | NA | 423 | e, 2 | NA | ||||||||
| Pelletizing (iron ore) | 445 | e | NA | 595 | e, 2 | NA | ||||||||
| Waterproofing and sealing | 102 | NA | 122 | NA | ||||||||||
| Miscellaneous civil engineering | 190 | e | NA | 192 | e | NA | ||||||||
| Miscellaneous4 | 170 | NA | 310 | NA | ||||||||||
| Total | 3,000 | e | NA | 3,810 | e | NA | ||||||||
| Exports, reported by producers: | ||||||||||||||
| Drilling mud | 105 | e | NA | 160 | e | NA | ||||||||
| Foundry sand | 192 | NA | 121 | 2 | NA | |||||||||
| Other5 | 349 | NA | 536 | NA | ||||||||||
| Total | 646 | e | NA | 817 | e | NA | ||||||||
| Grand total | 3,650 | 207,000 | 4,630 | 261,000 | ||||||||||
| eEstimated.- NA Not available.- | ||||||||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||||||||
| 2More information can be found in the Consumption section under Bentonite. | ||||||||||||||
| 3Includes asphalt tiles, asphalt emulsions, cosmetics, fertilizers, ink, medical, miscellaneous fillers and extenders-- | ||||||||||||||
| applications, paint, paper coating, paper filling, pesticides and related products, pharmaceuticals, and plastics. | ||||||||||||||
| 4Includes ceramics, chemical manufacturing, clarifying and decolorizing, heavy-clay products, oil and grease- | ||||||||||||||
| absorbents, refractories, and other unknown uses. | ||||||||||||||
| 5Includes absorbents, fillers and extenders, refractories, pelletizing, and other unknown uses. | ||||||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices
