|
| TABLE 15 | ||||||||||
| U.S. IMPORTS FOR CONSUMPTION OF CLAY, BY TYPE1 | ||||||||||
| (Thousand metric tons and thousand dollars) | ||||||||||
| 2006 | 2007 | |||||||||
| Material | Quantity | Value | Quantity | Value | Principal sources in 2007 | |||||
| China clay or kaolin | 303 | 55,600 | 194 | 48,500 | Brazil, 95%; United Kingdom, 4%. | |||||
| Fire clay | (2) | 168 | 2 | 584 | China, 90%; Canada, 7%. | |||||
| Decolorizing earths and fuller�s earth | 3 | 223 | -- | -- | XX | |||||
| Bentonite� | 13 | 3,100 | 11 | 2,390 | Greece, 66%; Mexico, 12%; China 8%; Canada, 6%. | |||||
| Common blue clay and other ball clay | 1 | 233 | -- | -- | XX | |||||
| Other clay | 5 | 3,650 | -- | -- | XX | |||||
| Chamotte or Dina's Earth | (2) | 18 | -- | -- | XX | |||||
| Artificially activated clay and activated earth | 21 | 16,200 | 23 | 22,400 | Mexico, 63%; Germany, 17%; Netherlands, 7%. | |||||
| Total | 346 | # | 79,200 | 231 | 73,900 | |||||
| XX Not applicable. -- Zero. | ||||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown.� | ||||||||||
| 2Less than � unit. | ||||||||||
| Source: U.S. Census Bureau. | ||||||||||
Source: United States Geological Survey Mineral Resources Program