Table 14.--U.S. imports for consumption of stone, by type (Thousand metric tons and thousand dollars) ------------------------------------------------------------------------------------------------------------------------- 1971 1972 1973 1974 Type ------------------- ------------------- ------------------- ------------------- Quantity Value Quantity Value Quantity Value Quantity Value ------------------------------------------------------------------------------------------------------------------------- Crushed stone and chips: Limestone-------------------------- 1,408 2,207 1,678 2,567 1,573 2,466 1,622 2,537 Limestone for cement manufacturing- -- -- -- -- -- -- -- -- Marble, breccia-------------------- 7 142 11 150 5 133 4 123 Quartzite-------------------------- 54 411 58 557 89 973 68 713 Slate------------------------------ (1/) 2 (1/) 5 -- -- -- -- Other------------------------------ 861 1,320 1,211 1,976 1,395 2,356 1,572 2,997 ------------------------------------------------------------------------------------ Total------------------------- 2,330 4,082 2,958 5,255 3,062 5,928 3,266 6,370 ------------------------------------------------------------------------------------ Calcium carbonate fines: Natural aragonite2/---------------- -- -- -- -- -- -- -- -- Whiting, dry, ground, or bolted---- 16 520 19 621 24 875 31 1,638 Chalk, whiting--------------------- 2 143 2 150 3 332 3 451 Precipitated----------------------- -- -- -- -- -- -- -- -- ------------------------------------------------------------------------------------ Total3/----------------------- 18 663 21 771 27 1,207 34 2,089 ------------------------------------------------------------------------------------ Grand Total-------------- 2,348 4,745 2,979 6,026 3,089 7,135 3,300 8,459 ------------------------------------------------------------------------------------ 1975 1976 1977 1978 ------------------- ------------------- ------------------- ------------------- Quantity Value Quantity Value Quantity Value Quantity Value ---------------------------------------------------------------------------------- Crushed stone and chips: Limestone-------------------------- 1,466 2,432 1,433 2,376 1,852 4,094 1,940 4,800 Limestone for cement manufacturing- -- -- -- -- -- -- -- -- Marble, breccia-------------------- 3 80 3 86 2 61 3 105 Quartzite-------------------------- 111 804 68 744 61 527 83 908 Slate------------------------------ (1/) 1 (1/) 1 -- 2 (1/) 11 Other------------------------------ 1,244 2,764 1,169 2,746 1,028 2,344 1,328 3,088 ---------------------------------------------------------------------------------- Total------------------------- 2,824 6,081 2,673 5,953 2,942 7,028 3,353 8,912 ---------------------------------------------------------------------------------- Calcium carbonate fines: Natural aragonite2/---------------- 447 512 520 620 -- -- -- -- Whiting, dry, ground, or bolted---- 18 1,219 32 2,227 468 925 495 615 Chalk, whiting--------------------- 2 242 4 579 30 2,159 30 2,615 Precipitated----------------------- -- -- -- -- 7 1,264 10 2,107 ---------------------------------------------------------------------------------- Total3/----------------------- 467 1,973 556 3,426 505 4,348 535 5,337 ---------------------------------------------------------------------------------- Grand Total-------------- 3,291 8,054 3,223 9,379 3,447 11,376 3,888 14,249 ---------------------------------------------------------------------------------- 1979 1980 1981 1982 ------------------- ------------------- ------------------- ------------------- Quantity Value Quantity Value Quantity Value Quantity Value ---------------------------------------------------------------------------------- Crushed stone and chips: Limestone-------------------------- 2,088 5,434 2,155 6,966 1,608 4,698 1,255 8,356 Limestone for cement manufacturing- -- -- -- -- -- -- -- -- Marble, breccia-------------------- 4 210 2 113 8 482 4 318 Quartzite-------------------------- 88 822 14 211 64 825 24 317 Slate------------------------------ (1/) 4 -- -- 1 4 -- 4 Other------------------------------ 1,299 3,484 1,087 3,286 1,073 2,887 227 1,575 ---------------------------------------------------------------------------------- Total------------------------- 3,479 9,954 3,257 10,576 2,754 8,896 1,510 10,570 ------------------------------------- See footnotes at end of table. Table 14--U.S. imports for consumption of stone, by type--Continued (Thousand metric tons and thousand dollars) ----------------------------------------------------------------------------------------------------------------------- 1979 1980 1981 1982 Type ------------------- ------------------- ------------------- ------------------- Quantity Value Quantity Value Quantity Value Quantity Value ----------------------------------------------------------------------------------------------------------------------- Calcium carbonate fines: Natural aragonite2/---------------- -- -- -- -- -- -- -- -- Whiting, dry, ground, or bolted---- 418 600 254 369 221 344 159 953 Chalk, whiting--------------------- 31 3,282 7 858 15 1,694 8 1,669 Precipitated----------------------- 8 2,145 5 2,021 9 2,539 8 1,318 ---------------------------------------------------------------------------------- Total3/----------------------- 457 6,027 267 3,248 245 4,577 174 5,811 ---------------------------------------------------------------------------------- Grand Total-------------- 3,936 15,981 3,524 13,824 2,999 13,473 1,684 16,382 ---------------------------------------------------------------------------------- 1983 1984 1985 1986 ------------------- ------------------- ------------------- ------------------- Quantity Value Quantity Value Quantity Value Quantity Value ---------------------------------------------------------------------------------- Crushed stone and chips: Limestone-------------------------- 1,240 7,952 1,492 10,646 1,178 5,261 1,319 6,466 Limestone for cement manufacturing- -- -- -- -- -- -- -- -- Marble, breccia-------------------- 26 310 2 181 26 547 3 190 Quartzite-------------------------- 13 245 58 945 30 638 5 335 Slate------------------------------ -- 2 9 47 2 99 5 76 Other------------------------------ 788 2,200 1,090 3,251 1,235 3,664 1,266 3,836 ---------------------------------------------------------------------------------- Total------------------------- 2,067 10,709 2,652 15,071 2,472 10,209 2,598 10,902 ---------------------------------------------------------------------------------- Calcium carbonate fines: Natural aragonite2/---------------- 2/340 943 2/249 710 2/249 716 2/313 948 Whiting, dry, ground, or bolted---- -- -- -- -- -- -- -- -- Chalk, whiting--------------------- 8 958 15 1,761 6 715 5 600 Precipitated----------------------- -- -- -- -- -- -- -- -- ---------------------------------------------------------------------------------- Total3/----------------------- 348 1,901 265 2,471 255 1,432 318 1,548 ---------------------------------------------------------------------------------- Grand Total-------------- 2,416 12,610 2,917 17,543 2,727 11,640 2,917 12,451 ---------------------------------------------------------------------------------- 1987 1988 1989 1990 ------------------- ------------------- ------------------- ------------------- Quantity Value Quantity Value Quantity Value Quantity Value ---------------------------------------------------------------------------------- Crushed stone and chips: Limestone-------------------------- 1,207 4,775 325 1,404 976 6,955 2,139 12,439 Limestone for cement manufacturing- -- -- -- -- 2,097 19,464 1,974 16,587 Marble, breccia-------------------- 3 333 2 166 -- -- -- -- Quartzite-------------------------- 61 1,234 91 1,686 13 854 9 845 Slate------------------------------ 1 66 6 167 -- -- -- -- Other------------------------------ 1,989 6,092 2,520 11,393 862 8,359 386 4,571 ---------------------------------------------------------------------------------- Total------------------------- 3,261 12,500 2,943 14,815 3,948 35,631 4,508 34,442 ---------------------------------------------------------------------------------- Calcium carbonate fines: Natural aragonite2/---------------- 2/233 856 2/319 1074 (1/) 284 (1/) 94 Whiting, dry, ground, or bolted---- -- -- -- -- -- -- -- -- Chalk, whiting--------------------- 5 668 5 899 4 950 3 770 Precipitated----------------------- -- -- -- -- -- -- -- -- ---------------------------------------------------------------------------------- Total3/----------------------- 239 1,524 325 1,973 4 1,234 3 864 ---------------------------------------------------------------------------------- Grand Total-------------- 3,500 14,024 3,268 16,789 3,952 36,870 4,511 35,310 ----------------------------------------------------------------------------------------------------------------------- 1/Less than 1/2 unit. 2/Includes some chalk and other calcareous materials. 3/Data may not add to totals shown because of independent rounding.