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-TABLE 1 | |||||||||||||
SALIENT PUMICE AND PUMICITE STATISTICS1 | |||||||||||||
(Thousand metric tons and thousand dollars unless otherwise specified) | |||||||||||||
2010 | 2011 | 2012 | 2013 | 2014 | |||||||||
United States: | |||||||||||||
Sold and used by producers: | |||||||||||||
Quantity | 241 | 343 | 338 | 269 | 278 | ||||||||
Value2- | 6,760 | 10,500 | 10,800 | 9,320 | 9,020 | ||||||||
Average value | dollars per metric ton | 28.03 | 30.63 | 31.88 | 34.64 | 32.41 | |||||||
Exports3 | 13 | 14 | 12 | 13 | 14 | ||||||||
Imports for consumption3- | 34 | 23 | 67 | 72 | 60 | ||||||||
Apparent consumption4 | 262 | 352 | 393 | 328 | r | 324 | |||||||
World, production, pumice and related- | |||||||||||||
volcanic materials | 16,600 | 19,200 | 18,400 | 18,600 | e | 16,800 | e | ||||||
eEstimated. | |||||||||||||
1Data are rounded to no more than three significant digits, except average value. | |||||||||||||
2Free on board mine and (or) mill. | |||||||||||||
3Source: U.S. Census Bureau. | |||||||||||||
4Production plus imports minus exports plus adjustments for Government and industry stock changes. | |||||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices