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Bureau of Mines / Minerals yearbook: Area reports: domestic 1978-79
Year 1978-79, Volume 2 (1978-1979)

Ballard, Rose L.
Statistical summary,   pp. 1-31 ff. PDF (2.8 MB)


Page 2

 2         MINERALS YEARBOOK, 1978-79 
  Table 2 —Nonfuel mineral production' in the United States 
 1977 1978 1979 
 Mineral  Value  Value  Value 
  Quantity (thou- Quantity (thou- Quantity (thou 
   sands)  sands)  sands) 
 METALS 
Antimony ore and concentrate 
 short tons, antimony content_ Bauxite 
610 
$1,320 
W 
W 
W 
. 
. 
W 
~ 
 thousand metric tons, dried e~uivalent_ — Copper (recoverable
content
of ores, etc.) 
 metric tons_ — 
 2,013 
1,364,368 
28,018 
2,009,297 
1,669 
1,357,579 
$23,186 
1,990,323 
1,821 
1,441,148 
$24,875 
. 
*2,955,737 
Goid (recoverable content of ores, etc.) 
 troy ounces_ 
Iron ore usabie (excluding byproduct iron 
1,100,347 
163,192 
998,832 
193,325 
919,783 
282,833 
sinter) 
. 
. 
 thousand long tons gross weight — — Lead (recoverable
content
of ores, etc.) - 
 metric tons_ — Manganiferous ore (5% to 35% Mn) 
 short tons, gross weighL — Mercury               76-pound flasks._
Molybdenum (content of concentrate) 
 thousand pounds. — Nickel (content of ore and concentrate) 
 short tons. — Silver (recoverable content of ores, etc.) 
thousand troy ounces.. — 
Titaniumconcentrate: 
53880 
537,499 
215,893 
28,244 
124 974 
14,347 
38,166 
. 
1 417 418 
363,789 
~ 
2,249 
3,833 
450 421 W 
176,325 
. 
82826 
529,661 
312,124 
24,163 
130 694 
13,509 
'  
39,385 
2387 965 
393,516 
3,074 
3,705 
607 950 
W 
. 
212,681 
86 130 
525,569 
240,696 
29,~19 
143 504 
15,065 
38,055 
2811 574 
~ 
609,929 
2,902 
8,299 
871 067 
~ 
W 
422032 
. 
 Ilmenite short tons, gross weight_ — Tungstenore and concentrate
 thousand pounds contained W. — Vanadium (recoverable in ore and
concentrate)
542,333 
. 
6,022 
25,200 
55,073 
580,878 
6,901 
25,629 
56,691 
646,399 
6,646 
32,965 
55,785 
 short tons_ — Zinc (recoverable content of ores, etc.) 
 metric ton&. — Combined value of beryliium, magnesium
chloride for magnesium metal, rare-earth 
metals, tin, titanium (rutile), zircon concen 
6,504 
407,889 
74,488 
309,338 
4,272 
302,669 
56,776 
206,854 
5,520 
267,341 
73,892 
219,841 
trate, and values indicated by symbol W. — — —
Totalmetals
XX 
147,567 
XX 
133,849 
XX 
144,962 
XX 
5,228,000 
XX 
6,296,000 
XX 
8,517,000 
 NONMgI'ALS (EXCEPT FUELS) 
 Abrasive stones' short tons — 2,200 3,236 487 1,283 1,944 1,714
 Asbestos_    do___ 101,704 25,267 102,632 27,987 102,903 28,925 
 Asphalt and related bitumens, native: 
  Bituminous limestone, sandstone, gilsonite 
  do_ — — — 1,237,000 13,874 1,697,300 19,283
1,614,500
25,622 
 Barite — - thousand short tons.. — 1,494 30,264 2,112
43,981
1,937 48,024 
 Boron minerals do. — — — 1,469 236,163 1,554
279,927 1,590
310,211 
 Bromine - thousand pound& — 433,818 99,678 446,543 100,003
503,200
117,000 
 Calcium chloride short tons — 710,385 45,048 773,138 53,869 719,709
51,884 
 Carbon dioxide, natural_thousand cubic feet._ — 1,617,149 351
2,014,914
2,568 2,028,045 3,243 
 Cement: 
   Portland thousand sbort tons — 75,514 2,727,564 80,010 3,239,580
78,978 3,650,436 
   Masonry do____ 3,752 169,101 4,123 208,566 3,748 204,797 
 Clays do~ 53,196 579,171 56,822 717,274 54,689 846,089 
 Diatomite do~_ 648 63,870 651 72,429 717 90,323 
 Feldspar - short tons — 733,963 17,186 734,870 18,185 740,472
21,474
 Fluorspar do... — — — 169,489 16,479 129,428
13,262 109,299
12,162 
 Garnet (abrasive) do... — — — 20,022 2,234
29,732 2,335
21,240 1,975 
 Gemstonese  NA 8,850 NA 8,930 NA 8,230 
 Gypsum thousand short tonS... — 13,390 74,341 14,891 92,726 14,630
99,868 
 Helium: 
   Crude million cubic feet. — 537 6,443 549 6,582 611 7,327 
   High-purity do_ — — — 957 24,280 1,001 25,276
1,062
26,847 
 Lime thousand short tons... — 19,947 666,472 20,443 749,667 20,945
862,459 
 Magnesium compounds from seawater and brine 
  (except for metal) 
             short tons, MgO equivalent_  830,475 127,716 W W W W 
 Mica: 
   Scrap thousand short tons — 176 r7344 182 8,035 175 7,814 
   Sheet pounds__ W W W W -- -- 
 Peat thousand short tons_ — 726 12,520 750 12,988 798 15,517 
 Perlite short tons_ — 597,000 10,753 641,000 13,740 660,000 16,435
 Phosphate rock — — —  thousand metric tons...
—
47,256 821,657 50,037 928,820 51,611 1,045,655 
 Potassium salts 
     thousand metric tons, K,O equivalent.. — 2,233 206,872 2,307
226,468
2,388 279,199 
 Pumice thousand short tona.. — 4,009 11,965 4,757 14,455 4,414
15,961
 Pyrites ___~~_ thousand metric tons... — 442 7,003 778 12,336
1,049
17,087 
See footnotes at end of table. 


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