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| TABLE 3 | |||||
| ESTIMATED EXFOLIATED VERMICULITE SOLD OR | |||||
| USED IN THE UNITED STATES, BY END USE1 | |||||
| (Metric tons) | |||||
| 2005 | 2006 | ||||
| Aggregates2 | 22,300 | 30,600 | |||
| Insulation3 | W | 6,800 | |||
| Agricultural: | |||||
| Horticultural | 24,600 | 24,100 | |||
| Soil conditioning | W | W | |||
| Fertilizer carrier� | W | W | |||
| Total� | W | W | |||
| Other4 | 12,500 | W | |||
| Grand total5 | 84,600 | r | 89,600 | ||
| rRevised. W Withheld to avoid disclosing company proprietary | |||||
| data; included in "Grand total." | |||||
| 1Data rounded to no more than three significant digits; may not | |||||
| add to totals shown. | |||||
| 2Includes concrete, plaster, and premixes (acoustic insulation, | |||||
| fireproofing, and texturizing uses). | |||||
| 3Includes loose-fill, block, and other (high-temperature and | |||||
| packing insulation and sealants). | |||||
| 4Includes various industrial and other uses not specified. | |||||
| 5Rounded to two significant digits because of estimated data. | |||||
Source: United States Geological Survey Mineral Resources Program