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| TABLE 2 | ||||||||||
| DIATOMITE SOLD OR USED, BY MAJOR USE1 | ||||||||||
| � | ||||||||||
| (Percentage of U.S. production) | ||||||||||
| 2006 | 2007 | |||||||||
| Absorbents | 5 | 7 | ||||||||
| Cement2 | 22 | 26 | ||||||||
| Fillers | 9 | 9 | ||||||||
| Filtration | 59 | 51 | ||||||||
| Insulation | 2 | 2 | ||||||||
| Other3 | 3 | 5 | ||||||||
| 1Includes exports.� | ||||||||||
| 2As ingredient in portland cement. | ||||||||||
| 3Includes abrasives, lightweight aggregates, and unspecified uses. | ||||||||||
Source: United States Geological Survey Mineral Resources Program