|
| TABLE 4 | ||||||||
| BENTONITE SOLD OR USED BY PRODUCERS IN THE UNITED STATES, BY TYPE AND USE1 | ||||||||
| (Thousand metric tons and thousand dollars) | ||||||||
| 2012 | 2013 | |||||||
| Type and use | Quantity | Value | Quantity | Value | ||||
| Type: | ||||||||
| Nonswelling | 140 | 10,700 | 132 | 9,960 | ||||
| Swelling | 4,840 | 300,000 | 4,220 | 272,000 | ||||
| Total | 4,980 | 311,000 | 4,350 | 282,000 | ||||
| Use: | ||||||||
| Domestic: | ||||||||
| Pet waste absorbents | 1,050 | NA | 1,130 | NA | ||||
| Adhesives | 9 | NA | 10 | NA | ||||
| Animal feed | 52 | NA | 84 | NA | ||||
| Drilling mud | 1,190 | NA | 932 | NA | ||||
| Filler and extender applications2 | 77 | NA | 64 | NA | ||||
| Foundry sand | 475 | NA | 440 | NA | ||||
| Pelletizing (iron ore) | 508 | NA | 470 | NA | ||||
| Waterproofing and sealing | 126 | NA | W | NA | ||||
| Miscellaneous civil engineering | 136 | NA | W | NA | ||||
| Miscellaneous3 | 162 | NA | 394 | NA | ||||
| Total | 3,790 | NA | 3,520 | NA | ||||
| Exports, reported by producers: | ||||||||
| Drilling mud | 176 | NA | 132 | NA | ||||
| Foundry sand | 196 | NA | 201 | NA | ||||
| Other4 | 817 | NA | 500 | NA | ||||
| Total | 1,190 | NA | 833 | NA | ||||
| Grand total | 4,980 | 311,000 | 4,350 | 282,000 | ||||
| NA Not available. | ||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | ||||||||
| 2Includes asphalt tiles, asphalt emulsions, cosmetics, fertilizers, ink, medical, miscellaneous filler and extender | ||||||||
| applications, paint, paper coating, paper filling, pesticides and related products, pharmaceuticals, and plastics. | ||||||||
| 3Includes ceramics, chemical manufacturing, clarifying and decolorizing, heavy-clay products, oil and grease- | ||||||||
| absorbents, refractories, and unknown uses. | ||||||||
| 4Includes absorbents, fillers and extenders, refractories, pelletizing, and unknown uses. | ||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices
