Sub-Chapter2005200620072008200920102011
Salt (including table salt)$148,000$635,000$274,000$227,000$439,000$345,000$4,389,000
Natural graphite.     $1,000$10,000
Natural sands of all kinds$2,875,000$3,886,000$5,076,000$5,978,000$4,945,000$4,447,000$3,960,000
Quartz (other than natural sands); quartzite$5,000 $25,000  $108,000$53,000
Kaolin and other kaolinic clays, whether or not calcined.$688,000$775,000$870,000$781,000$660,000$481,000$698,000
Other clays (not including expanded clays of heading 68.06), andalusite, ky ...$7,691,000$7,460,000$780,000$1,059,000$986,000$9,979,000$13,205,000
Chalk.$23,000$63,000$70,000$46,000$134,000$24,000$24,000
Natural calcium phosphates     $17,000 
Siliceous fossil meals$26,000$37,000$26,000$48,000$18,000$55,000$11,000
Pumice stone; emery; other natural abrasives$1,000    $3,000$1,000
Slate$2,000      
Marble, travertine, ecaussine and other stone$200,000$59,000 $883,000 $137,000$29,000
Granite, porphyry, basalt, sandstone and other stone$42,000$82,000$13,000$25,000$18,000$1,094,000$43,000
Pebbles, gravel, broken or crushed stone$3,044,000$4,187,000$9,231,000$9,474,000$9,951,000$9,224,000$10,096,000
Dolomite, whether or not calcined or sintered$82,000    $22,000$47,000
Natural magnesium carbonate (magnesite)$9,000$4,000$30,000  $57,000$177,000
Gypsum; anhydrite; plasters$1,153,000$1,137,000$1,145,000$2,561,000$3,751,000$3,219,000$3,981,000
Limestone flux; limestone$65,000$47,000$4,000$337,000$1,519,000$92,000$190,000
Quicklime, slaked lime and hydraulic lime$1,848,000$613,000 $291,000$141,000$2,299,000$2,634,000
Portland cement, aluminous cement, slag cement$16,432,000$14,174,000$14,508,000$38,556,000$20,862,000$15,036,000$23,782,000
Mica, including splitings; mica waste.$43,000$28,000   $1,000$1,000
Natural steatite, whether or not roughly trimmed  $229,000  $334,000$108,000
Natural borates and concentrates thereof     $8,000$1,000
Felspar; leucite and nepheline syenite  $3,000  $12,000$11,000
Mineral substances$3,306,000$3,881,000$4,789,000$6,747,000$5,646,000$4,738,000$4,724,000
Total$37,683,000$37,068,000$37,073,000$67,013,000$49,070,000$51,733,000$68,175,000