Revised. NA Not available. 32                     MINERALS YEARBOOK, 1967

  Table 8.—U.S. exports of principal minerals and products—Continued

 1966 1967 
Mineral 
 Quantity Value Quantity Value 
 (thousands) (thousands) 
Nonmetals—Continued 
Mineral-earth pigments: Iron oxide, natural and 
 manufactured                short tons_.. 4,753 $1,307 3,123 $1,312 
 Nitrogen compounds (major) 
 thousand short tons~ 2,794 154,559 2,911 165,008 
 Phosphate rock                    do~. 9,255 85,835 10,282 94,413 
 Phosphatic fertilizers (superphosphates) 
 thousand short tons~ 763 40,705 743 35,139 
 Pigments and compounds (lead and zinc): 
 Lead pigments          short tons  2,599 1,044 1,909 772 
 Zinc pigments              do.  6,650  1,733  4,175  1,331 
 Potash: 
 Fertilizer                  do~. 1,024,996 32,867 1,146,131 35,010 
 Chemical                  do.. 28,489 5,292 29,060 4,886 
 Quartz, natural, quartzite, cryolite and chiolite 
 short tons.. 2,779 472 1,228 285 
 Salt: 
 Crude and reftned.~ - thousand short tons  662 4,472 678 4,583 
 Shipments to noncontiguous Territories 
 thousand short tons... 10 805 11 892 
 Sodium and sodium compounds: 
 Sodium sulfate     thousand short tons  28 779 28 856 
 Sodium carbonate               do - -  346 12,249 304 9,914 
 Stone 
 Dolomite, block                do_.... 101 1,692 113 1,756 
 Limestone, crushed, ground, broken 
 thousand short tons_  1,207  3,500  1,159  3,496 
 Marble and other building and monumental 
 thousand cubic feet_  NA 1,104 NA 958 
 Stone, crushed, ground, broken 
 thousand short tons~ 276 3,406 306 3,743 
 Manufactures of stone                  NA                  1,432       
          NA                  1,203 
 Sulfur: 
 Crude             thousand long tons_  2,326 78,759 2,043 81,492 
 Crushed, ground, flowers of 
 thousand long tons  47 3,404 150 9,522 
 Talc, crude and ground          short tons... 70,377 3,917 66,195 3,450

 Fuels: 
 Carbon black                    pounds~ 297,281 28,407 236,032 24,456 
 Coal: 
 Anthracite         thousand short tons  766 9,755 595 7,622 
 Bituminous                    do~ 49,302 457,899 49,510 474,853 
 Briquets                      do.. 120 2,182 120 2,293 
 Coke                         do..... 1,102 23,415 710 16,492 
 Petroleum: 
 Crude               thousandbarre1s~ 1,478 4,130 26,502 85,565 
 Gasoline                       do____ 2,369 14,274 3,603 19,106 
 Jet                           do__..  118  548  283  1,142 
 Naphtha                      do...... 1,982 22,232 2,299 21,999 
 Kero~ine                       do...... 249 2,214 158 1,252 
 Distillate oil                   do_...... 6,251 18,407 6,054 17,650 
 Residualoil                   do~.. 13,275 29,102 22,148 43,793 
 Lubricatingoil                 do...... 14,767 189,648 17,746 208,358 
 Asphalt                       do...... 434 3,705 348 3,167 
 Liquefied petroleum gases         do...._  8,171  30,007  9,269  32,182

 Wax                         do....~ 1,877 36,028 1,677 34,077 
 Coke                         do...... 16,235 49,604 16,279 55,187 
 Petrochemical feedstocks         do..... 2,698 14,894 2,983 15,344 
 Miscellaneous                  do..... 1,357 37,074 893 19,455