Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Salt (including table salt) | $878,000 | $789,000 | $1,196,000 | $1,258,000 | $1,279,000 | $1,312,000 | $1,957,000 |
Unroasted iron pyrites. | $2,366,000 | $1,808,000 | $3,095,000 | $5,234,000 | $1,672,000 | $4,540,000 | $3,170,000 |
Natural graphite. | $186,000 | $186,000 | $264,000 | $447,000 | $315,000 | $390,000 | $543,000 |
Natural sands of all kinds | $2,942,000 | $5,717,000 | $6,844,000 | $4,212,000 | $5,111,000 | $3,740,000 | $5,189,000 |
Quartz (other than natural sands); quartzite | $7,004,000 | $8,923,000 | $13,871,000 | $15,195,000 | $10,994,000 | $12,786,000 | $16,437,000 |
Kaolin and other kaolinic clays, whether or not calcined. | $2,384,000 | $2,915,000 | $2,920,000 | $3,335,000 | $1,933,000 | $2,506,000 | $2,303,000 |
Other clays (not including expanded clays of heading 68.06), andalusite, ky ... | $5,032,000 | $5,129,000 | $5,783,000 | $7,503,000 | $7,473,000 | $7,597,000 | $7,864,000 |
Chalk. | $890,000 | $1,311,000 | $1,233,000 | $1,250,000 | $1,195,000 | $1,490,000 | $1,521,000 |
Natural calcium phosphates | $1,000 | $8,000 | $2,000 | $14,517,000 | $7,195,000 | $21,586,000 | $6,633,000 |
Natural barium sulphate (barytes) | $509,000 | $490,000 | $398,000 | $1,107,000 | $404,000 | $1,653,000 | $2,912,000 |
Siliceous fossil meals | $1,111,000 | $813,000 | $964,000 | $1,272,000 | $1,959,000 | $2,588,000 | $2,398,000 |
Pumice stone; emery; other natural abrasives | $3,229,000 | $3,283,000 | $3,005,000 | $5,131,000 | $3,726,000 | $3,938,000 | $4,382,000 |
Slate | $69,000 | $47,000 | $102,000 | $51,000 | | $357,000 | $523,000 |
Marble, travertine, ecaussine and other stone | $617,000 | $809,000 | $826,000 | $755,000 | $1,039,000 | $1,086,000 | $709,000 |
Granite, porphyry, basalt, sandstone and other stone | $87,000 | $131,000 | $348,000 | $297,000 | $609,000 | $559,000 | $511,000 |
Pebbles, gravel, broken or crushed stone | $2,743,000 | $2,422,000 | $3,633,000 | $7,062,000 | $5,571,000 | $5,427,000 | $5,109,000 |
Dolomite, whether or not calcined or sintered | $242,000 | $106,000 | $178,000 | $640,000 | $1,573,000 | $1,604,000 | $1,804,000 |
Natural magnesium carbonate (magnesite) | $1,319,000 | $1,059,000 | $711,000 | $733,000 | $928,000 | $1,155,000 | $1,589,000 |
Gypsum; anhydrite; plasters | $6,224,000 | $6,497,000 | $6,839,000 | $10,917,000 | $11,417,000 | $13,219,000 | $13,852,000 |
Limestone flux; limestone | $1,000 | $11,000 | | $11,000 | $3,000 | $31,000 | $81,000 |
Quicklime, slaked lime and hydraulic lime | $494,000 | $446,000 | $505,000 | $407,000 | $555,000 | $1,225,000 | $769,000 |
Portland cement, aluminous cement, slag cement | $29,482,000 | $25,245,000 | $25,967,000 | $30,807,000 | $52,343,000 | $53,827,000 | $69,977,000 |
Mica, including splitings; mica waste. | $254,000 | $182,000 | $134,000 | $172,000 | $218,000 | $199,000 | $251,000 |
Natural steatite, whether or not roughly trimmed | $2,561,000 | $3,526,000 | $3,739,000 | $4,380,000 | $3,988,000 | $5,213,000 | $5,923,000 |
Natural borates and concentrates thereof | $5,000 | $3,000 | $14,000 | $7,000 | $31,000 | $27,000 | |
Felspar; leucite and nepheline syenite | $1,635,000 | $1,291,000 | $2,275,000 | $3,504,000 | $2,634,000 | $3,302,000 | $3,162,000 |
Mineral substances | $4,992,000 | $4,882,000 | $5,284,000 | $5,485,000 | $5,773,000 | $7,977,000 | $8,943,000 |
Total | $77,257,000 | $78,029,000 | $90,130,000 | $125,689,000 | $129,938,000 | $159,334,000 | $168,512,000 |
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