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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