Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)
Meisinger, Arthur C.
Perlite, pp. 905-907 ff. PDF (275.8 KB)
905Perlite By Arthur C. Meisinger1 Record totals were established in 1972 for production and consumption of crude and expanded perlite in the United States and effectively reversed the overall decline that had hit the domestic perlite industry in 1971. Compared with 1971 production, the quantity of crude perlite mined increased 31% and the quantity and value of crude perlite sold or used each increased 26%. Although there were three fewer ex panding plants in operation during 1972, the quantities of expanded perlite produced and sold or used exceeded those of 1971 by 10% and 9%, respectively. The value of expanded perlite sold or used also reached a record total of $25.35 million for an increase of 9% over that of 1971. New Mexico and Illinois continued to be the leading States in production of crude and expanded perlite, respectively. Table 1.—Crude and expanded perlite produced and sold or used by producers in the United States (Thousand short tons and thousand dollars) Crude perlite Exp anded perlite Used at own Total Year Quantity mined Sold — ~— plant to make expanded material quantity sold and used Quantity produced Sold or used - Quantity Value Quantity Value Quantity Value 1968 1969 1970 1971 1972 558 613 607 495 649 202 205 176 175 224 1,975 2,087 2,056 2,062 2,540 226 2,246 266 3,013 280 2,848 257 2,879 321 3,691 428 471 456 432 545 339 405 420 389 427 336 15,265 402 22,100 416 24,972 385 23,156 421 25,350 DOMESTIC PRODUCTION Crude per-lite was produced by 12 coinpanies at 13 mines in seven States in 1972 compared with 11 companies and 12 mines in six States in 1971. The quantity of crude perlite mined was a record 649,000 tons surpassing by 11,000 tons the previous high of 638,000 tons mined in 1967. New Mexico, with 87% of the U.S. crude perlite mined, continued to be the principal producing State. Other producing States, in descending order, were Arizona, California, Nevada, Colorado, Idaho, and Texas. Crude p~rlite sold or used to make expanded materials set record totals in quantity and value in 1972. Producers sold or used 545,000 tons of crude perlite valued at $6,231,000 compared with the p-revious high of 471,000 tons and $5,100,000 in 1969. Crude perlite was expanded at 84 plants in 30 States in 1972, and record quantities were established for expanded perlite produced and sold or used. The quantity of expanded perlite produced was 427,000 tons compared with the previous high of 420,000 in 1970. The quantity of expanded perlite sold or used in 1972 was 421,000 tons and exceeded the previous high of 416,000 in 1970 by 5,000 tons. The value of expanded perlite sold or used was $25.35 million compared with the previous record total of $24.97 million in 1970. Illinois continued to be the leader in production 1 Industry economist, Division of Nonmetallic Minerals.
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