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| TABLE 3 | ||||||
| ESTIMATED EXFOLIATED VERMICULITE SOLD OR | ||||||
| USED IN THE UNITED STATES, BY END USE1 | ||||||
| (Metric tons) | ||||||
| 2006 | 2007 | |||||
| Aggregates2 | 30,600 | 30,000 | ||||
| Insulation3 | 6,800 | 5,640 | ||||
| Agricultural: | ||||||
| Horticultural | 24,100 | 24,200 | ||||
| Soil conditioning | W | W | ||||
| Fertilizer carrier� | W | W | ||||
| Total� | W | W | ||||
| Other4 | W | W | ||||
| Grand total5 | 90,000 | 85,000 | ||||
| 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