University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
Link to University of Wisconsin Digital Collections
Ecology and Natural Resources Collection

Page View

Bureau of Mines / Minerals yearbook: Metals and minerals 1977
Year 1977, Volume 1 (1977)

Schroeder, Harold J.; Jolly, James H.
Copper,   pp. 329-370 PDF (4.8 MB)


Page 329

 Reflneries_ short tons~ 
From foreign ores, matte, etc., as 
 reportedbyreflneries do~~ 
 1,868,488 1,664,658 1,443,378 1,539,308 1,496,184 
 486,214 483,432 369,173 419,126 451,868 
 292,504 246,205 304,712 r217,()53 192,200 
 189,396 126,526 172,426 r111,887 51,528 
 420,513 608,602 324,126 534,713 516,729 
 202,955 313,569 146,805 381,524 390,776 
 37,000 101,000 207,000 
 265,000 324,000 312,000 
 190,000 234,000 
 321,000 346,000 
 302,000 425,000 519,000 511,000 580,000 
 2,437,048 2,194,168 1,534,508 1,991,885 2,184,959 
 1,902,000 1,778,000 1,312,000 ~1826,09() 1,791,000 
 2,388,000 2,261,000 1,681,000 r2245,09() 2,243,000 
 59.5 77.3 64.2 69.6 66.8 
 7,844,901 8,047,959 r7,725,676 r8272,228 8,503,477 
 7,878,480 8,067,651 r7,634 297 ~8o38,574 8,268,030 
 80.86 93.13 56.08 63.92 59.44 
  329Copper 
By Harold J. Schroeder1 and James H. Jolly1 
In 1977 world mine production of copper land, and the Philippines. Despite
the high- 
was a record 8.50 million tons. The United est recorded world consumption
stocks of States, despite reduced production, contin- refined copper continued
to rise, keeping a ued to lead the world in mine output with downward pressure
on London Metal Ex18% of the total, followed by Chile, the change prices,
which trended down from an U.S.S.R., Canada, Zambia, Zaire, Peru, Po- average
63 cents per pound for January to 
Table 1.—Salient copper statistics 
 1973 1974 1975 1976 1977 
United States: 
Ore produced thousand short tons - 289,998 293,443 263,003 283,736 259,974
 Average yield of copper percenL  0.53 0.49 0.47 0.51 0.52 
Primary (new)copper produced— From domestic ores, as reported by—
 Mines short tons~ 1,717,940 1,597,002 1,413,366 1,605,586 1,503,966 
  Value thousands~ $2,044,349 $2,468,964 $1,814,763 $2,234,975 $2,009,297
 Smelters short too&.  1,705,065 1,532,066 1,374,324 1,461,256 1,394,432
  Percent of world total  22 19 18 18 17 
Total new refined, 
domesticandforeign          
Secondary copper recovered 
 from old scrap only do~ - - 
Exports 
 Metalliccopper do_~ 
 Refined do - - - 
Imports, general: 
 Unmanufactured do - - - 
 Refined do. - — 
Stocks Dec. 31: Producers: 
 Refined do - - — 
Blister and materials in solution_ - - _do - - 
 Total do_ - - 
Consumption: 
Refinedcopper                 
Apparent consumption, 
  primary copper do_ - - - 
Apparent consumption, primary 
and old copper (old scrap only) - - do - - - 
Price: Weighted average, cents per pound - -- - 
World: 
Production: 
 Mine short tons~ 
 Smelter do - - - 
Price: London, average cents per pound______ 
TRevised. 
 1,698,337 1,420,905 1,286,189 1,422,723 1,410,997 
 170,151 233,753 157,189 116,585 85,187 


Go up to Top of Page