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| TABLE 4 | |||||||||||
| PUMICE AND RELATED MATERIALS: WORLD PRODUCTION, BY COUNTRY1, 2 | |||||||||||
| (Metric tons) | |||||||||||
| Country3 | 2010 | 2011 | 2012 | 2013e | 2014e | ||||||
| Algeria, pozzolan | 236,961 | 141,000 | 325,000 | 388,000 | 4 | 315,000 | |||||
| Argentina, pumice | 7,582 | 6,445 | 6,252 | 7,000 | 7,000 | ||||||
| Cameroon, pozzolane | 600,000 | 600,000 | 500,000 | 500,000 | 600,000 | ||||||
| Chile, pumice and pozzolan | 824,049 | 816,565 | 826,779 | 830,000 | 830,000 | ||||||
| Croatia, volcanic tuff e | 15,000 | 15,000 | 20,000 | 20,000 | 20,000 | ||||||
| Dominica, pumice and volcanic tuff e | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | ||||||
| Ecuador:e | |||||||||||
| Pumice | 718,908 | 4 | 791,581 | 4 | 500,000 | 500,000 | 500,000 | ||||
| Pozzolan | 640,620 | 4 | 600,000 | 550,000 | 550,000 | 550,000 | |||||
| Eritrea, pumicee | 65 | 70 | 75 | 75 | 75 | ||||||
| Ethiopia5 | 128,106 | 254,152 | 320,000 | e | 420,000 | 420,000 | |||||
| France, pozzolan and lapillie | 276,000 | 276,000 | 276,000 | 276,000 | 276,000 | ||||||
| Greece:e | |||||||||||
| Pumice | 380,000 | 375,000 | 375,000 | 420,000 | 430,000 | ||||||
| Pozzolan, Santorin earth | 900,000 | 850,000 | 800,000 | 800,000 | 800,000 | ||||||
| Guadeloupe, pumicee | 200,000 | 210,000 | 200,000 | 200,000 | 200,000 | ||||||
| Guatemala, pumice | 25,568 | 945,618 | 1,416,236 | 1,416,000 | 79,969 | 4 | |||||
| Iceland, pumicee | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | ||||||
| Italy:e | |||||||||||
| Pumice and pumiceous lapilli | 30,000 | 30,000 | 30,000 | 28,000 | 28,000 | ||||||
| Pozzolan | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 | ||||||
| Jamaica, pozzolan | 140,000 | 130,000 | 107,000 | 112,000 | 4 | 129,171 | 4 | ||||
| Kosovo, volcanic tuff e, 6 | 60,000 | 60,000 | -- | -- | -- | ||||||
| Macedonia, volcanic tuff | 113,323 | 57,356 | 52,911 | 53,000 | 67,663 | 4 | |||||
| New Zealand | 118,249 | 229,268 | 77,414 | 100,000 | 100,000 | ||||||
| Philippines: | |||||||||||
| Pumice | 2,274 | 2,797 | 2,800 | 2,800 | 2,800 | ||||||
| Volcanic tuff | 19,166 | 22,106 | 22,200 | 22,200 | 22,200 | ||||||
| Saudi Arabia, pozzolan | 915,000 | 1,010,000 | e | 1,061,000 | 1,000,000 | 1,000,000 | |||||
| Slovenia, volcanic tuff | 40,000 | 40,000 | 35,000 | 35,000 | 35,000 | ||||||
| Spain, including Canary Islands | 432,364 | 303,462 | 194,655 | 195,000 | 195,000 | ||||||
| Syria, volcanic tuff | 910,000 | 809,000 | 485,000 | 324,000 | 4 | 324,000 | |||||
| Tanzania, pozzolanic materials | 60,230 | 113,489 | 75,193 | 75,000 | 68,925 | 4 | |||||
| Turkey | 4,198,751 | 5,822,501 | 5,500,000 | e | 5,700,000 | 5,200,000 | |||||
| Uganda, pozzolanic materialse | 140,000 | 140,000 | 125,000 | 125,000 | 125,000 | ||||||
| United States, pumice, sold and used by producers4 | 241,000 | 343,000 | 338,000 | 269,000 | 278,000 | ||||||
| Grand total | 16,600,000 | 19,200,000 | 18,400,000 | 18,600,000 | 16,800,000 | ||||||
| Of which: | |||||||||||
| Pumice | 1,710,000 | 2,800,000 | 2,970,000 | 2,940,000 | 1,630,000 | ||||||
| Pozzolan | 7,630,000 | r | 7,580,000 | r | 7,540,000 | r | 7,550,000 | r | 7,590,000 | ||
| Volcanic tuff | 1,160,000 | 1,000,000 | 615,000 | 454,000 | 469,000 | ||||||
| Unspecified | 6,080,000 | r | 7,800,000 | r | 7,290,000 | r | 7,620,000 | r | 7,120,000 | ||
| eEstimated. rRevised. -- Zero. | |||||||||||
| 1Grand totals, U.S. data, and estimated data are rounded to no more than three significant digits; may not add to totals shown.- | |||||||||||
| 2Includes data available through December 9, 2015. | |||||||||||
| 3Pumice and related materials also are produced in a number of other countries, including China, Honduras, Iran, Japan, Martinique, and- | |||||||||||
| Mexico, but available information is inadequate for the formulation of reliable estimates of output levels. | |||||||||||
| 4Reported figure. | |||||||||||
| 5Data are for year ending July 7 of that stated. | |||||||||||
| 6Converted from reported data, in cubic meters, as follows: 2010-93,800 (estimated); 2011-93,800 (estimated); 2012-zero (revised);- | |||||||||||
| 2013-zero (revised); and 2014-zero. | |||||||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices
